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URL: https://www.ortec-online.com/products/electronic-instruments/multi-channel-analyzers/workstation/dspec-50
Submission: On April 17 via manual from US — Scanned from DE

Form analysis 1 forms found in the DOM

POST /products/electronic-instruments/multi-channel-analyzers/workstation/dspec-50

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                            <li><a href="/products/electronic-instruments/multi-channel-analyzers/portable/digidart">digiDART High Performance Portable Digital MCA</a></li>
                            <li><a href="/products/electronic-instruments/multi-channel-analyzers/portable/digidart-lf">digiDART-LF Portable "SMART" MCA </a></li>
                          </ul>
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                        <li><a href="/products/software/maestro-mca">MAESTRO MCA Emulation Software</a></li>
                        <li><a href="/products/software/maestro-pro">MAESTRO-Pro Advanced Spectroscopy Software</a></li>
                        <li><a href="/products/electronic-instruments/multi-channel-analyzers/exempt-quantity-radioactive-sources">Exempt Quantity Radioactive Sources</a></li>
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                        <li><a href="/products/electronic-instruments/single-channel-analyzers/550a">550A Single Channel Analyzer</a></li>
                        <li><a href="/products/electronic-instruments/single-channel-analyzers/551">551 Timing Single Channel Analyzer</a></li>
                        <li><a href="/products/electronic-instruments/single-channel-analyzers/552">552 Pulse Shape Analyzer / Timing Single Channel Analyzer</a></li>
                        <li><a href="/products/electronic-instruments/time-to-amplitude-converters/567">567 Time-to-Amplitude Converter / SCA</a></li>
                        <li><a href="/products/electronic-instruments/single-channel-analyzers/583b">583B Constant Fraction Differential Discriminator / Single Channel Analyzer</a></li>
                        <li><a href="/products/electronic-instruments/single-channel-analyzers/590a">590A Amplifier and Timing Single Channel Analyzer</a></li>
                        <li><a href="/products/electronic-instruments/single-channel-analyzers/850">850 Quad Single Channel Analyzer</a></li>
                        <li><a href="/products/electronic-instruments/single-channel-analyzers/925-scint">925-SCINT ACE Mate Preamplifier, Amplifier, Bias Supply and SCA</a></li>
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                    <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters" class="has-submenu">Counters, Timers, and Ratemeters<span class="sub-arrow">+</span></a>
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                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/449-449-2">449/449-2 Log/Lin Ratemeter</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/661">661 Rate Meter</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/871">871 Timer and Counter</a></li>
                        <li><a href="/products/electronic-instruments/multi-channel-analyzers/basic-analog/928">928 EASY-NIM Multi-Function MCA/Counter/Timer/ Rate Meter</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/974a">974A CCNIM Quad 100-MHz Counter/Timer</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/976">976 Quad 250-MHz Counter/Timer</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/978">978 Dual Timer</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/994">994 Dual Counter and Timer</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/995">995 Dual Counter</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/996">996 CCNIM Timer and Counter</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/9349">9349 Log/Lin Rate Meter</a></li>
                        <li><a href="/products/electronic-instruments/counters-timers-and-ratemeters/easy-mcs">EASY-MCS Multichannel Scaler</a></li>
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                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/265a">265A Photomultiplier Tube (PMT) Base</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/266">266 Photomultiplier Base</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/269">269 Photomultiplier Base</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/276">276 Photomultiplier Base with Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/276l">276L Low-Power Photomultiplier Base</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/296">296 ScintiPack Photomultiplier Base with Preamplifier and HV Supply</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/digibase">digiBASE 14-Pin PMT Base with Integrated Bias Supply, Preamplifier, and MCA with Digital Signal Processing</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/digibase-e">digiBASE-E High Performance, Digital Gamma Spectrometer</a></li>
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                      <ul>
                        <li><a href="/products/electronic-instruments/amplifiers/427a">427A Delay Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/460">460 Delay Line Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/474">474 Timing Filter Amplifer</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/533">533 Dual Sum and Invert Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/570">570 Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/572a">572A Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/575a">575A Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/579">579 Fast-Filter Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/590a">590A Amplifier and Timing Single-Channel Analyzer</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/671">671 Spectroscopy Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/672">672 Spectroscopy Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/673">673 Spectroscopy Amplifier and Gated Integrator</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/855">855 Dual Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/863">863 Quad Timing Filter Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/9302">9302 Amplifier Discriminator</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/9309-4">9309-4 Quad Fast Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/9310-16">9310-16 Sixteen Channel Fast Amplifier</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/9327">9327 1-GHz Amplifier and Timing Discriminator</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/fta820a">FTA820A Octal Fast Timing Amplifier</a></li>
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                    <li><a href="/products/electronic-instruments/delays-and-gates" class="has-submenu">Delays and Gates<span class="sub-arrow">+</span></a>
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                        <li><a href="/products/electronic-instruments/delays-and-gates/414a">414A Fast Coincidence</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/416a">416A Gate and Delay Generator</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/418a">418A Universal Coincidence</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/425a">425A Nanosecond Delay</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/426">426 Linear Gate</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/499">499 Fast/Slow NIM Logic Converter</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/542">542 Linear Gate and Stretcher</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/co4020">CO4020 Quad 4-Input Logic Unit</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/db463">DB463 Delay Box</a></li>
                        <li><a href="/products/electronic-instruments/delays-and-gates/gg8020">GG8020 Octal Gate and Delay Generator</a></li>
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                    <li><a href="/products/electronic-instruments/digital-current-integrator/439" class="has-submenu">Digital Current Integrator<span class="sub-arrow">+</span></a>
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                        <li><a href="/products/electronic-instruments/digital-current-integrator/439">439 Digital Current Integrator</a></li>
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                    <li><a href="/products/electronic-instruments/fast-timing-discriminators" class="has-submenu">Fast Timing Discriminators<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/electronic-instruments/single-channel-analyzers/583b">583B Constant Fraction Differential Discriminator/SCA</a></li>
                        <li><a href="/products/electronic-instruments/fast-timing-discriminators/584">584 Constant-Fraction Discriminator</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/9302">9302 Amplifier Discriminator</a></li>
                        <li><a href="/products/electronic-instruments/fast-timing-discriminators/9307">9307 pico-Timing Discriminator</a></li>
                        <li><a href="/products/electronic-instruments/amplifiers/9327">9327 1-GHz Amplifier and Timing Discriminator</a></li>
                        <li><a href="/products/electronic-instruments/fast-timing-discriminators/cf8000">CF8000 Octal Constant-Fraction Discriminator</a></li>
                      </ul>
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                    <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins" class="has-submenu">NIM Power Supplies and Bins<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/428">428 Radiation Detector Bias Supply</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/556-and-556h">556 and 556H High Voltage Power Supply</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/659">659 5 kV Radiation Detector Bias Supply</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/660">660 Dual 5 kV Radiation Detector Bias Supply</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/710">710 Quad 1 kV Bias Supply</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/4001a-and-4001c">4001A and 4001C NIM Bins</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/4002a">4002A 96-W Power Supply for NIM Bins</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/4002d">4002D 160-W Power Supply for NIM Bins</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/4002e">4002E BLACK MAX Power Supply for NIM Bins</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/4002p">4002P Portable Power Supply</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/4003">4003 Preamplifier Power Output</a></li>
                        <li><a href="/products/electronic-instruments/nim-power-supplies-and-bins/4006">4006 Minibin and Power Supply</a></li>
                      </ul>
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                    <li><a href="/products/electronic-instruments/preamplifiers" class="has-submenu">Preamplifiers<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/electronic-instruments/preamplifiers/113">113 Scintillation Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/142a-b-c">142A/B/C Preamplifiers</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/142ah">142AH Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/142ih">142IH Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/142pc">142PC Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/276">276 Photomultiplier Base with Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/photomultiplier-tube-bases/296">296 ScintiPack Photomultiplier Base with Preamplifier and HV Supply</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/9301">9301 Fast Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/9305">9305 Fast Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/9306">9306 1-GHz Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/9326">9326 Fast Preamplifier</a></li>
                        <li><a href="/products/electronic-instruments/preamplifiers/vt120">VT120 Fast Timing Preamplifier</a></li>
                      </ul>
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                    <li><a href="/products/electronic-instruments/pulse-generator" class="has-submenu">Pulse Generators<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/electronic-instruments/pulse-generator/419">419 Precision Pulse Generator</a></li>
                        <li><a href="/products/electronic-instruments/pulse-generator/480">480 Pulser</a></li>
                      </ul>
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                    <li><a href="/products/electronic-instruments/time-to-amplitude-converters" class="has-submenu">Time-to-Amplitude Converters<span class="sub-arrow">+</span></a>
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                        <li><a href="/products/electronic-instruments/time-to-amplitude-converters/462">462 Time Calibrator</a></li>
                        <li><a href="/products/electronic-instruments/time-to-amplitude-converters/566">566 Time-to-Amplitude Converter</a></li>
                        <li><a href="/products/electronic-instruments/time-to-amplitude-converters/567">567 Time-to-Amplitude Converter / Singe Channel Analyzer</a></li>
                      </ul>
                    </li>
                    <li><a href="/products/electronic-instruments/cables-connectors-and-accessories">Cables, Connectors, and Accessories</a></li>
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                <li><a href="/products/systems" class="has-submenu">Systems<span class="sub-arrow">+</span></a>
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                    <li><a href="/products/systems/waste-assay-systems/iso-cart-85" class="has-submenu">Waste Assay Systems<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/systems/waste-assay-systems/iso-cart-85">ISO-CART-85 Mobile Assay System</a></li>
                        <li><a href="/products/systems/waste-assay-systems/iso-cart-ii-ln">ISO-CART-II LN2 Mobile Assay Systems</a></li>
                        <li><a href="/products/systems/waste-assay-systems/iso-cart-ii-tsp">ISO-CART-II trans-SPEC/Detective Family Mobile Assay Systems</a></li>
                        <li><a href="/products/systems/waste-assay-systems/iso-cart-ii">ISO-CART-II Mobile Assay System Cart</a></li>
                        <li><a href="/products/systems/waste-assay-systems/iso-turntable">ISO-TURNTABLE Drum Rotator</a></li>
                        <li><a href="/products/systems/waste-assay-systems/m-1-tripod">M-1 Tripods</a></li>
                        <li><a href="/products/software/isotopic">Waste Assay Software</a></li>
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                    <li><a href="/products/systems/food-monitoring-systems/foodguard-1" class="has-submenu">Food Monitoring Systems<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/systems/food-monitoring-systems/foodguard-1">FoodGuard-1 Food Screening System Based on NaI(Tl) Radiation Detectors</a></li>
                        <li><a href="/products/systems/food-monitoring-systems/foodguard-2">FoodGuard-2 High Resolution Germanium Gamma Spectroscopy Workstation</a></li>
                        <li><a href="/products/systems/food-monitoring-systems/foodguard-2-ak">FoodGuard-2-AK Add On Kit for High Resolution Germanium Gamma Spectroscopy Workstations</a></li>
                        <li><a href="/products/systems/food-monitoring-systems/more-information">More Information on Food and Contamination Monitoring</a></li>
                      </ul>
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                    <li><a href="/products/systems/health-physics-systems" class="has-submenu">Health Physics Systems<span class="sub-arrow">+</span></a>
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                        <li><a href="/products/systems/health-physics-systems/body-counting-systems/standfast-ii" class="has-submenu">Body Counting Systems<span class="sub-arrow">+</span></a>
                          <ul>
                            <li><a href="/products/systems/health-physics-systems/body-counting-systems/standfast-ii">StandFAST II Stand Up Whole Body Counter</a></li>
                            <li><a href="/products/systems/health-physics-systems/body-counting-systems/wbc-200">WBC-200 Sodium Iodide Based Chairs for Routine Evaluation</a></li>
                            <li><a href="/products/systems/health-physics-systems/body-counting-systems/wbc-200-ds8530">WBC-200-DS8530 High Purity Germanium (HPGe) Based Chair</a></li>
                            <li><a href="/products/systems/health-physics-systems/body-counting-systems/wbc-lb">WBC-LB High Purity Germanium (HPGe) Based Lung Burden System</a></li>
                            <li><a href="/products/systems/health-physics-systems/body-counting-systems/wbc-bscan">WBC-BSCAN Whole Body Scanning Bed</a></li>
                            <li><a href="/products/systems/health-physics-systems/body-counting-systems/wbc-t">WBC-T Thyroid Screening Systems</a></li>
                            <li><a href="/products/systems/health-physics-systems/body-counting-systems/customized-systems">Customized Body Counting Systems</a></li>
                          </ul>
                        </li>
                        <li><a href="/products/systems/health-physics-systems/body-counting-phantom">Body Counting Phantom</a></li>
                        <li><a href="/products/software/renaissance">Body Counting Software</a></li>
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                    <li><a href="/products/systems/gross-alpha-beta-measurement-systems" class="has-submenu">Gross Alpha/Beta Measurement Systems <span class="sub-arrow">+</span></a>
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                        <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems" class="has-submenu">Alpha/Beta Counting Systems<span class="sub-arrow">+</span></a>
                          <ul>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems/asc-950-dp">ASC-950-DP Automatic Sample Changer</a></li>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems/mds"> MPC-9604 Alpha/Beta Counting Multi-Detector System</a></li>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems/mpc-1000-gfl">MPC-1000-GF Manual Sample Changer</a></li>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems/mpc-900-dp">MPC-900-DP Manual Single Sample Gross Counter</a></li>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems/mpc-900-gfl">MPC-900-GF Manual Single Sample Gross Counter</a></li>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems/wpc-1050">WPC-1050 Automatic Sample Changer</a></li>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counting-systems/wpc-1150-gfw-3">WPC-1150-GFW Automatic Sample Changer</a></li>
                          </ul>
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                        <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counter-software/vista-2000" class="has-submenu">Alpha/Beta Counting Software<span class="sub-arrow">+</span></a>
                          <ul>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counter-software/vista-2000">Vista 2000 Alpha/Beta Control Software for Radiochemistry</a></li>
                            <li><a href="/products/systems/gross-alpha-beta-measurement-systems/alpha-beta-counter-software/vista-fc">Vista FC Health Physics Software</a></li>
                          </ul>
                        </li>
                      </ul>
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                    <li><a href="/products/systems/gross-gamma-screening-system">Gross Gamma Screening System</a></li>
                    <li><a href="/products/systems/online-monitoring-systems/failed-fuel-monitoring" class="has-submenu">Online Monitoring Systems<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/systems/online-monitoring-systems/failed-fuel-monitoring">OS5400 Sentinel Digital Failed Fuel Spectrometer</a></li>
                        <li><a href="/products/systems/online-monitoring-systems/clamp-on-water-monitoring">OS5500 Clamp-On Water Monitoring System</a></li>
                        <li><a href="/products/systems/online-monitoring-systems/plutonium-process-monitoring">Plutonium Process Monitoring System</a></li>
                        <li><a href="/products/systems/online-monitoring-systems/fuel-rod-scanning">Fuel Rod Scanning System</a></li>
                        <li><a href="/products/systems/online-monitoring-systems/el910-particulate-filter-holder">EL910 Particulate Filter Holder</a></li>
                      </ul>
                    </li>
                    <li><a href="/products/systems/tritium-collector">Tritium Collector</a></li>
                    <li><a href="/products/systems/timing-systems/positron-lifetime" class="has-submenu">Timing Systems<span class="sub-arrow">+</span></a>
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                        <li><a href="/products/systems/timing-systems/positron-lifetime">Positron Lifetime Picosecond Timing System</a></li>
                      </ul>
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                    <li><a href="/products/systems/compton-suppression-counting-systems">Compton Suppression Counting Systems</a></li>
                    <li><a href="/products/systems/chemical-weapons-identification-systems" class="has-submenu">Chemical Weapons Identification Systems<span class="sub-arrow">+</span></a>
                      <ul>
                        <li><a href="/products/systems/chemical-weapons-identification-systems/grace">GRACE Gamma Ray Analysis of Chemical Elements</a></li>
                        <li><a href="/products/systems/chemical-weapons-identification-systems/pins3-cf">PINS3-CF Chemical and Explosives Identification System</a></li>
                        <li><a href="/products/systems/chemical-weapons-identification-systems/pins3-cw-g2">PINS3-CW-G2 Portable Isotopic Neutron Spectroscopy</a></li>
                        <li><a href="/products/systems/chemical-weapons-identification-systems/trans-spec-n">Trans-SPEC-N Battery Powered, Portable HPGe Gamma Spectrometer</a></li>
                      </ul>
                    </li>
                    <li><a href="/products/systems/nuclear-safeguard-systems" class="has-submenu">Nuclear Safeguard Systems<span class="sub-arrow">+</span></a>
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                        <li><a href="/products/systems/nuclear-safeguard-systems/micro-trans-spec-uf6">Micro-trans-SPEC Portable UF6 Cylinder Verification System</a></li>
                        <li>
                          <a href="/productscn/radiation-detectors/germanium-hpge-radiation-detectors/hpge-radiation-detector-types-how-choose/application-specific-radiation-detectors/safeguards-gem">High Performance HPGe Radiation Detectors for Nuclear Safeguards</a>
                        </li>
                        <li><a href="/productscn/application-software">Software for Nuclear Safeguards and Non-Destructive Assay</a></li>
                        <li><a href="/products/systems/nuclear-safeguard-systems/osiris">OSIRIS Gamma-Ray Spectrometer for Nuclear On-Site Inspections under the CTBT</a></li>
                      </ul>
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                    <li><a href="/products/systems/custom-systems">Custom Systems</a></li>
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                <li><a href="/products/software" class="has-submenu">Application Software<span class="sub-arrow">+</span></a>
                  <ul>
                    <li><a href="/products/software/maestro-mca">MAESTRO Multichannel Analyzer Emulation Software</a></li>
                    <li><a href="/products/software/maestro-pro">MAESTRO-Pro Advanced Spectroscopy</a></li>
                    <li><a href="/products/software/gammavision">GammaVision Gamma Spectroscopy</a></li>
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                <h1 class="title"> DSPEC 50/50A and DSPEC 502/502A Digital Signal Processing Gamma Spectrometers </h1>
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                              alt="DSPEC 50 and DSPEC 502 Digital Signal Processing (DSP) based Gamm Ray Spectrometers for Germanium (HPGe) Radiation Detectors"
                              src="/-/media/ametekortec/images/d/dsp50.png?h=103&amp;w=250&amp;la=en&amp;revision=89cbb378-915c-42cd-98c4-e7efc0ede12b&amp;hash=8D0CFDE8B7328B35BFB6FBD86CA1CC60"
                              title="DSPEC 50 and DSPEC 502 Digital Signal Processing (DSP) based Gamm Ray Spectrometers for Germanium (HPGe) Radiation Detectors"><br>
                            <strong>Advanced Model Features (DSPEC 50A and DSPEC 502A) </strong><br>
                            <ul>
                              <li>ADC Conversion Gain up to 64k channels for expanded energy range applications! </li>
                              <li>Digital Coincidence Timing for simplified Compton Suppression and Cosmic Veto Systems with excellent performance! </li>
                              <li>Web Page and Web Services Interfaces for Operating System independence! </li>
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                            <br>
                            <strong>Features Common to Standard and Advanced Models </strong><br>
                            <ul>
                              <li>Single MCA (DSPEC 50/50A) and dual MCA (DSPEC 502/50A) versions. </li>
                              <li>Highly stable against variations in count rate and temperature. </li>
                              <li>Automated set-up: Automatic Pole Zero Adjust, Baseline Restorer, and Optimize.&nbsp;&nbsp;&nbsp; </li>
                              <li>Digital spectrum stabilizer. </li>
                              <li>USB 2.0 and Ethernet (TCP/IP) connectivity </li>
                              <li>High throughput capabilities for high count rate applications. </li>
                              <li>Large front panel display for at-a-glance system status information. </li>
                              <li>Support for all HPGe detector types, old and new. </li>
                              <li>16k ADC Conversion Gain </li>
                              <li>“Loss Free” or “Zero Dead Time” (ZDT)&nbsp;&nbsp;&nbsp; </li>
                              <li>“Enhanced Throughput” Mode </li>
                              <li>List Mode </li>
                              <li>Ballistic Deficit and Charge Trapping Correction </li>
                              <li>Low-Frequency Rejector (LFR) </li>
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                                      <h5> Introduction to DSPEC 50/50A and 502/502A </h5>
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                              <div class="product_cont_desc">
                                <div class="rte_content"><strong>Experience-Based Performance<br>
                                  </strong><br> The DSPEC® 50 and DSPEC 502 salute the 50th year in which ORTEC has delivered innovative and quality nuclear instrumentation to scientists in a broad range of applications worldwide. Fifteen years after
                                  the first ORTEC DSPEC digital spectrometer received acclaim among spectroscopists for its performance and stability, the DSPEC 50 and DSPEC 502 are landmark products which bring together our long design experience in
                                  digital spectrometers and the ongoing innovation skills of our developers.<br>
                                  <br> The DSPEC 50 and DSPEC 502 are available in the original Standard and newer Advanced models. Both models have the same superior digital signal processing and stability for optimal spectroscopic performance while
                                  the Advanced models include features to optimize coincidence timing applications, such as Compton Suppression and Cosmic Veto, Operating System independence through web interfaces, and other enhancements.<br>
                                  <br>
                                  <strong>Advanced Model Features (DSPEC 50A and DSPEC 502A)<br>
                                  </strong>
                                  <ul>
                                    <li>ADC Conversion Gain up to 64k channels for expanded energy range applications!<br>
                                      <br>
                                    </li>
                                    <li>Digital Coincidence Timing for simplified Compton Suppression and Cosmic Veto Systems with excellent performance!<br>
                                      <br>
                                      <ul>
                                        <li>Configurable Output Port Options <ul>
                                            <li>Change Sample: Output on software command for Sample Changer operation</li>
                                            <li>CRM: Output on Fast Channel Detect</li>
                                            <li>SCA: Output on Peak Height within ROI during acquisition or continuous</li>
                                            <li>ADC Gate: Output when Gate is active</li>
                                          </ul>
                                        </li>
                                        <br>
                                        <li>Configurable Coincidence and Gate Options <ul>
                                            <li>Gate: Same options as standard (Off, Coincidence, and Anticoincidence)</li>
                                            <li>Coincidence Delay and Window: Optimize coincidence between gate input and ADC fast channel. </li>
                                            <li>Gate Delay and Window: Program Gate start and duration for coincidence events.</li>
                                            <li>Gate Route Mode: Coincidence and Anticoincidence data collected concurrently. Both spectra and the total can be saved and recalled with the N42 (2012) spectrum file.</li>
                                          </ul>
                                        </li>
                                        <br>
                                        <li> These functions eliminate the need for complex timing electronics configurations that have traditionally been required for coincidence timing systems with excellent performance characteristics. Simply
                                          connect the output of the veto detector (i.e. annulus/plug in Compton Suppression or plastic panel in cosmic veto) to the Gate of the High Purity Germanium Detector with the output trigger set to CRM (Fast
                                          Channel Detect) and optimize the Coincidence and Gate timing on the HPGe detector. Yes, it is really that simple! And the Gated, Ungated, and Total Spectra can all be saved at the same time in the same
                                          XML-based ANSI N42 spectrum file!</li>
                                      </ul>
                                    </li>
                                    <br>
                                    <li> Web Page and Web Services Interfaces for Operating System independence!<br> The Web Page Interface is hosted directly on the instrument and enables hardware configuration and basic MCA Emulation functions to
                                      acquire and save spectra without the need to install any software. Simply enter the Web Address configured on your instrument in your browser to get started. The Web Interface is available with most modern
                                      browser applications run on any operating system including Windows, Linux, Android, and Apple systems.<br>
                                      <br> The Web Service is a programming interface hosted on the instrument for custom application development in any operating system and development environment that supports Web Services. No need for any special
                                      driver or software installation, and example projects are available on the ORTEC website to help jump start your development.
                                    </li>
                                  </ul>
                                  <br>
                                  <strong>Features Common to Standard and Advanced Models</strong><br>
                                  <ul>
                                    <li>Single MCA (DSPEC 50/50A) and dual MCA (DSPEC 502/50A) versions.</li>
                                    <li>Highly stable against variations in count rate and temperature.</li>
                                    <li>Automated set-up: Automatic Pole Zero Adjust, Baseline Restorer, and Optimize.</li>
                                    <li>Digital spectrum stabilizer.</li>
                                    <li>USB 2.0 and Ethernet (TCP/IP) connectivity</li>
                                    <li>High throughput capabilities for high count rate applications.</li>
                                    <li>Large front panel display for at-a-glance system status information.</li>
                                    <li>Support for all HPGe detector types, old and new.</li>
                                    <li>16k ADC Conversion Gain</li>
                                    <li>"Loss Free" or "Zero Dead Time" (ZDT)<br> The usual way to account for counting losses at high rates is by extending the acquisition time. The underlying assumption is that the sample count rate does not change
                                      during the total counting period. This is far from true when short half lives are encountered or the sample is in motion (e.g., flowing through a pipe). ORTEC has refined the loss-free counting technique in the
                                      digital domain. In this method, the spectrum itself is corrected pulse by pulse, and the ZDT method provides both an accurately corrected spectrum and correctly calculated statistical uncertainty.</li>
                                    <li>"Enhanced Throughput" Mode<br> Accuracy at high input count-rates can be limited by the speed at which the spectrometer stores data to memory. It is said to be “throughput-limited.” Pulse pileup means that
                                      beyond a certain point, as input count-rate increases still further, the rate of data stored to memory DECREASES, reducing result quality. By developing a new kind of digital peak detection algorithm, ORTEC has
                                      increased the maximum throughput by up to 30% by removing some of the dead time associated with the process of pulse peak amplitude determination.</li>
                                    <li>List Mode<br> For situations in which the sample is moving relative to the detector, it is often vitally important to be able to measure an activity profile as a function of time. Examples of such applications
                                      include aerial and land-based surveying and portal monitoring. It is usually a requirement that no “dead periods” occur, associated with the acquire-store-clear-restart cycle. In the list mode of operation, data
                                      are streamed directly to the computer, event by event. There is no associated “dead period.” In the DSPEC 50 implementation, each event is time stamped to an accuracy of 200 nanoseconds. </li>
                                    <li>Ballistic Deficit and Charge Trapping Correction<br> The trapezoidal digital filter in the DSPEC 50 is the same as all other ORTEC DSPEC family members. It allows adjustment of the filter to optimize the
                                      resolution performance of large HPGe detectors which often have low-side peak tailing when ballistic deficit is present. These large detectors are increasing in use in low level counting applications. The
                                      adjustment is largely automated by the use of the “OPTIMIZE” feature and may be monitored by the InSightTM Virtual Oscilloscope mode.<br>
                                      <br> The DSPEC 50 offers even further capability in the form of the Resolution Enhancer, a charge trapping corrector which can be used to reduce the peak degradation for neutron damaged detectors. The neutron
                                      damage to the crystal lattice causes “trapping” centers which hold some of the charge created by the gamma-ray interaction. This results in low-side tailing similar to ballistic deficit although the cause is
                                      different. The charge trapping corrector is calibrated or “trained” for the individual detector such that it adds back the pulse height deficit, event by event.
                                    </li>
                                    <li>Low-Frequency Rejector (LFR)<br> HPGe detectors do not always perform well in environments where there is mechanical vibration. Microphonic noise degrades energy resolution by adding low frequency periodic
                                      electrical noise to the primary signal. Electrical ground loops are also a source of low frequency electrical noise. The increasing use of mechanical coolers for HPGe detectors to eliminate the need for LN2 and
                                      increasing need to take HPGe detectors out of the laboratory environment mean an increase in mechanical vibration. DSPEC 50 incorporates a Low-Frequency Rejecter (LFR) Filter feature, which reduces the effects of
                                      such noise sources.</li>
                                  </ul>
                                  <br>
                                  <strong>DSPEC 50 Display Modes</strong><br> The large color display of the DSPEC 50 is used in the initial set-up of the Ethernet communications. The status displays can be used to provide several standard views:
                                  <ul>
                                    <li>The “Gauges Display”<br> The gauges display provides a simple-to-read analog representation of the system acquisition status, the green background indicates “count in progress”. </li>
                                    <li>The “Big Numbers” Display<br> The big numbers display provides status information clearly visible from a distance. </li>
                                    <li>The “Chart” Display<br> The chart display monitors count-rate, dead time, and gain stabilizer activity during acquisition, thereby providing reassurance that all is well. The gain stabilizer display is only
                                      shown when the gain stabilizer is enabled. </li>
                                    <li>Spectrum Display<br> The spectrum display provides a live spectral display which will show all ROIs set in the unit. In addition, ROIs may be set for the net area which can be used to perform a simple activity
                                      estimate based on the net area, the live time, and a user supplied factor. This permits the display of on-screen activity estimates for acquiring peaks. </li>
                                    <li>Displays Set-Up Screen<br> A simple to use displays set-up screen allows a user to choose what is displayed and the duration of the display type if more than one is chosen. User supplied JPGs may also be
                                      displayed.</li>
                                  </ul>
                                  <br>
                                  <strong>Instrument Control via Software</strong><br> The DSPEC-50 is entirely software controlled and can be configured and operated using a variety of ORTEC software applications such as
                                  <a href="/products/software/maestro-mca">MAESTRO</a>, <a href="/products/software/maestro-pro">MAESTRO-Pro</a>, and <a href="/products/software/gammavision">GammaVision</a>, as well as the
                                  <a href="/products/software/a11">CONNECTIONS Programmer’s Toolkit</a>. The Advanced model can also be setup and controlled using the Web Page or Web Services without having to install additional software. The
                                  Standard models (DSPEC-50/502) include a single user license of the traditional MAESTRO MCA Emulation software for a simple setup and data acquisition experience. The Advanced models (DSPEC-50A/502A) include a single
                                  user license of MAESTRO-Pro which has more extensive functionality, including support for the new instrument features.<br>
                                  <br>
                                  <table style="border:1px solid #000000;">
                                    <tbody>
                                      <tr>
                                        <td align="center" colspan="3" style="border:1px solid #000000;padding-right: 10px;"><strong>MAESTRO-Pro vs. MAESTRO</strong></td>
                                      </tr>
                                      <tr>
                                        <td align="center" style="border:1px solid #000000;padding-right: 10px;"><strong>Feature</strong></td>
                                        <td align="center" style="border:1px solid #000000;padding-right: 10px;"><strong>MAESTRO</strong></td>
                                        <td align="center" style="border:1px solid #000000;padding-right: 10px;"><strong>MAESTRO-Pro</strong></td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Languages</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">English</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">English, German, Chinese, French, Russian</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Spectrum File Formats</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">CHN, SPC, SPE</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">CHN, SPC, SPE, N42 (2006 and 2012)</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">DSPEC-50A/502A Gate Route Mode Support</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">No</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Yes</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">32k and 64k Channel Spectrum Support</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">No</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Yes</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Calibration Features</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Basic Energy Calibration</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Automated and Interactive Energy, FWHM, and Efficiency with Calibration Reports and Graphical Display</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Peak Fit</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Basic Region of Interest (ROI)</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Basic Region of Interest (ROI), Interactive Peak Fit with multiplets, Display Peak Fit from GammVision analysis</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Automation Functions</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Basic spectrum acquisition and ROI reporting functions</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Comprehensive automation from GammaVision with the exception of spectrum analysis</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Library Editor</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">External Library Editor</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Internal Editor compatible with Nuclide Navigator when installed</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Security</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">None</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">Menu Passwords</td>
                                      </tr>
                                      <tr>
                                        <td style="border:1px solid #000000;padding-right: 10px;">External Spectrum Viewer</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">WinPlot</td>
                                        <td style="border:1px solid #000000;padding-right: 10px;">GVPlot</td>
                                      </tr>
                                    </tbody>
                                  </table>
                                </div>
                              </div>
                            </div>
                          </li>
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                          <li>
                            <h4 class="tab_name" id=""> Specifications <span class="plus">+</span>
                            </h4>
                            <div class="content">
                              <div>
                              </div>
                              <br>
                              <h5>
                              </h5>
                              <div class="product_cont_desc">
                                <div class="rte_content"><strong>Advanced Model Specifications (DSPEC 50A/502A)<strong>
                                    </strong></strong>
                                  <table>
                                    <tbody>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">System Conversion Gain</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">256 to 64k channels.</td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Digital TTL Counters</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Via Sample Ready and Gate Ports synchronized with spectrum acquisition.</td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Web Page and Web Services Interface</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">For basic MCA Emulation, hardware configuration and programming.</td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Configurable TTL Output Port (Change Sample Port)</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">
                                          <ul>
                                            <li>Change Sample command with user-defined pulse width </li>
                                            <li>Input Count Rate based on fast channel trigger </li>
                                            <li>SCA Count Rate for each pulse in a region of interest </li>
                                            <li>ADC Gate based on Coincidence and Gate logic</li>
                                          </ul>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Configurable Coincidence and Gate</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">
                                          <ul>
                                            <li>Coincidence Logic: Gate TTL pulse compared to internal fast channel with adjustable offset and window (25 nS increments up to ±6.375 µS). </li>
                                            <li>Gate Window: Defined by delay after coincidence detection and gate width to cover peak detection (25 nS increments up to 200 µS). </li>
                                            <li>Gate Route Mode: All events saved as gated or not gated in separate memory. The Gated, Ungated, and Total spectrum can be saved to a common N42 (2012) spectrum format and read individually using
                                              GammaVision and other applications compatible with N42 (2012) files.</li>
                                          </ul>
                                        </td>
                                      </tr>
                                    </tbody>
                                  </table>
                                  <br>
                                  <strong>Specifications Common to Standard and Advanced Models<strong><br>
                                    </strong></strong>
                                  <table align="left" style="padding: 3px; margin-right: 11px; float: none; display: block; visibility: visible;" cellspacing="0" cellpadding="0">
                                    <tbody>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Display<br>
                                        </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">7” backlit color LCD provides status information. Displayed information is selectable by the user.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">USB-2.0 Connection</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">For use when connecting one or more DSPEC 50 or 502 instruments to a single computer. ORTEC CONNECTIONS software supports up to 255
                                          USB-connected devices per computer.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Ethernet Connection</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Allows control of a DSPEC 50 from one or more PCs across a network. Standard 10/100M Ethernet connection. TCP/IP Protocol. Link and
                                          Activity LEDs are integrated into the RJ-45 connector.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">System Gain Settings</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">
                                          <ul>
                                            <li>Coarse Gain: 1, 2, 4, 8, 16, 32, 64, and 128.</li>
                                            <li>Fine Gain: 0.5 to 1.1.</li>
                                            <li>The available range of gain settings supports all types of HPGe radiation detectors. Specifically, the following maximum energy values are achievable using the standard ORTEC preamplifier (maximum gain
                                              to minimum gain):<br>
                                              <table>
                                                <tbody>
                                                  <tr>
                                                    <td>COAX&nbsp;</td>
                                                    <td>187 keV to 24 MeV&nbsp;</td>
                                                  </tr>
                                                  <tr>
                                                    <td>LO-AX<br>
                                                    </td>
                                                    <td>94 keV to 12 MeV<br>
                                                    </td>
                                                  </tr>
                                                  <tr>
                                                    <td>GLP/SLP<br>
                                                    </td>
                                                    <td>16.5 keV to 2 MeV<br>
                                                    </td>
                                                  </tr>
                                                  <tr>
                                                    <td>IGLET-X &nbsp;&nbsp;<br>
                                                    </td>
                                                    <td>8 keV to 1 MeV</td>
                                                  </tr>
                                                </tbody>
                                              </table>
                                            </li>
                                          </ul>
                                          <br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Preamplifiers</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Computer selectable as either resistive or TRP preamplifier.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">System Conversion Gain</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">512 to 16k channels.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Digital Filter Shaping Time Constants</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">
                                          <ul>
                                            <li>Rise Times: 0.8 µs to 23 µs in steps of 0.2 µs.</li>
                                            <li>Flat Tops: &nbsp;0.3 to 2.4 in steps of 0.1 µs.</li>
                                          </ul>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Digital Spectrum Stabilizer</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Controlled via computer, stabilizes gain and zero errors.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">System Temperature Coefficient</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">
                                          <ul>
                                            <li>Gain: &lt;50 ppm/°C. [Typically &lt;30 ppm/°C.]</li>
                                            <li>Offset: &lt;5 ppm/°C of full scale, with Rise and Fall times of 12 µs, and Flat Top of 0.8 µs. (Similar to analog 6 µs shaping.)</li>
                                            <li>Maximum System Throughput: &gt;100,000 cps with LFR off. &gt;34,000 cps with LFR on. Depends on shaping parameters.</li>
                                          </ul>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Linearity</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">
                                          <ul>
                                            <li>Integral Nonlinearity:&nbsp; &lt;±0.025% over top 99.5% of spectrum</li>
                                            <li>Differential Nonlinearity:&nbsp; &lt;<span style="background-color: #ffffcc;">±1% over top 99% of range.</span></li>
                                          </ul>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Pulse Pile Up Rejector</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Automatically set threshold. Pulse-Pair Resolution: Typically &lt;500 ns.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Automatic Digital Pole Zero Adjustment</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Computer controlled. Can be set automatically or manually. Remote diagnostics via InSight Oscilloscope mode. (Patented.)</td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Digital Gated Baseline Restorer</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Computer controlled adjustment of the restorer rate (High, Low, and Auto). (Patented.)<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">LLD</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Digital lower level discriminator set in channels. Hard cutoff of data in channels below the LLD setting.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">ULD</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Digital upper level discriminator set in channels. Hard cutoff of data in channels above the ULD setting.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Rate Meter</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Count-rate display on MCA and/or PC screen.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Battery</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Internal battery-backed up memory to maintain settings in the event of a power interruption.<br>
                                        </td>
                                      </tr>
                                    </tbody>
                                  </table>
                                  <strong><strong><strong><strong>
                                          <br>
                                          <strong> Inputs and Outputs</strong><br> If both MCAs are installed (502 model), each MCA has each of the following connectors:<br>
                                        </strong></strong></strong></strong>
                                  <table align="left" style="padding: 3px; margin-right: 11px; float: none; display: block; visibility: visible;" cellspacing="0" cellpadding="0">
                                    <tbody>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Detector<br>
                                        </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;"> Multipin connector (13W3) with the following:<br>
                                          <ul>
                                            <li>Preamp Power: 1 W maximum (+12 V, –12 V, +24 V, –24 V, 2 GND).</li>
                                            <li>Analog In: Normal amplifier input.</li>
                                            <li>TRP Inhibit.</li>
                                            <li>Power for SMART-1 or DIM.</li>
                                            <li>Control of HV and SMART-1 Detector (2 wires).</li>
                                          </ul>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Analog In</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Rear-panel BNC accepts preamplifier signals of either polarity, with rise times less than the selected Flat Top Time setting and
                                          exponential decay time constant in the range of 40 µs to infinity (including transistor-reset and pulsed-optical reset preamplifiers). Input impedance &gt;500 Ω, input is dc-coupled and protected to ±12
                                          V.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; white-space: nowrap; background-color: #fdeada;">ADC Gate In</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Rear-panel BNC accepts slow positive NIM input; computer selectable as off, coincidence, or anticoincidence. ADC GATE must overlap
                                          and precede the Flat Top region by 0.5 µs, and extend beyond the Flat Top region by 0.5 µs. InSight Oscilloscope allows easy alignment of the ADC GATE signal with the digital output pulse.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Inhibit In</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Rear-panel BNC connector accepts reset signals from transistor-reset (TRP) or pulsed-optical (POF) preamplifiers. Positive NIM logic
                                          or TTL level can be used. Inhibit input initiates the protection against distortions caused by preamplifier reset. This includes turning off the baseline restorer, monitoring the overload recovery, and
                                          generating the pile-up reject and busy signals for the duration of the overload. These last two signals are used internally to provide information to the dead-time correction circuitry.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">USB-2.0</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Universal serial bus for PC communications.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Ethernet Connection</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Ethernet Connection: Standard 10/100M Ethernet connection. Link and Activity LEDs are integrated into the connector.<br>
                                        </td>
                                      </tr>
                                    </tbody>
                                  </table>
                                  <strong><strong><strong><strong>
                                          <strong><br> Electrical and Mechanical</strong><br>
                                        </strong></strong></strong></strong>
                                  <table align="left" style="padding: 3px; margin-right: 11px; float: none; display: block; visibility: visible;" cellspacing="0" cellpadding="0">
                                    <tbody>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Change Sample Out<br>
                                        </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Rear panel BNC connector, TTL compatible.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Sample Ready In</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Rear-panel BNC connector, accepts TTL level signal from Sample Changer. Software selectable polarity. </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Preamp Power Out</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Rear-panel, 9-pin D connector; provides ±24 V and ±12 V for preamplifier power.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Dimensions</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">42.55 cm W x 35.56 cm D x 15.24 cm H &nbsp;(16.75 in. W x 14 in. D x 6 in. H).<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Weight</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">DSPEC 50: 11 kg (24.25 lbs). &nbsp;DSPEC 502: 11.7 kg (25.8 lbs).<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Power</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">
                                          <ul>
                                            <li>Input Voltage: 100–220 V AC.</li>
                                            <li>Input Frequency: 47–63 Hz.</li>
                                            <li>110 watts.</li>
                                          </ul>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Operating Environment</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">0° to 50°C. Humidity: 0 to 95%, non-condensing.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Operating Systems</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Windows 10, 8.1 and&nbsp;7&nbsp;via CONNECTIONS.</td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">CE</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Conforms to CE standards for radiated and conducted emissions, susceptibility and low-voltage power directives.</td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">NRTL</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Certification verifies, through OSHA-approved NRTL certification authority TÜV SÜD, that the product meets U.S. electrical safety
                                          standards (UL/ANSI).</td>
                                      </tr>
                                    </tbody>
                                  </table>
                                  <strong><strong><strong><strong>
                                          <strong><br> Radiation Detector High Voltage Supplies<br>
                                          </strong>DSPEC 50 offers high voltage supply flexibility having both internal HV supplies and support for ORTEC DIM and SMART-1 detector HV systems.<br>
                                          <br>
                                          <span style="color: #c00000;">Internal High Voltage Supplies</span><br>
                                        </strong></strong></strong></strong>
                                  <table align="left" style="padding: 3px; margin-right: 11px; float: none; display: block; visibility: visible;" cellspacing="0" cellpadding="0">
                                    <tbody>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Positive Output<br>
                                        </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Rear-panel SHV connector, +500 to +5 kV. Computer controlled. Only active when the unit is set for positive bias.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Negative Output</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Rear-panel SHV connector, –500 to –5 kV. Computer controlled. Only active when the unit is set for negative bias.<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; white-space: nowrap; background-color: #fdeada;">Shutdown In</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Rear-panel BNC is used to turn off the bias supply voltage in the event that the detector warms up. The SHUTDOWN must be connected
                                          to the Bias Shutdown of the detector, or the high voltage will not turn on. The remote shutdown may be set to ORTEC or TTL mode via computer control.&nbsp;<br>
                                          <br> In ORTEC mode, the Remote Shutdown has the following properties:<br>
                                          <ul>
                                            <li>An open circuit applied to the SHUTDOWN input indicates a warm detector; therefore, the high voltage is turned off.&nbsp;</li>
                                            <li>Drawing a current of 0.33 mA from the SHUTDOWN input indicates a cool detector; therefore, the high voltage can be turned on.</li>
                                          </ul>
                                          <br> In TTL Mode, the Remote Shutdown has the following properties:<br>
                                          <ul>
                                            <li>An open circuit or a &gt;2.4 V signal on the input indicates that the detector is cool.&nbsp;</li>
                                            <li>A &lt;0.8 V signal on the input indicates that the detector is warm and the supply should be off.</li>
                                          </ul>
                                          <br> The SHUTDOWN input is clamped at –700 mV by an internal clamp. For use with a detector without a shutdown circuit, this feature can be defeated by being left open in TTL mode.<br>
                                        </td>
                                      </tr>
                                    </tbody>
                                  </table>
                                  <strong><strong><strong><strong>
                                          <span style="color: #c00000;"><br> DIM and SMART-1 Radiation Detector Types</span><br>
                                        </strong></strong></strong></strong>
                                  <table align="left" style="padding: 3px; margin-right: 11px; float: none; display: block; visibility: visible;" cellspacing="0" cellpadding="0">
                                    <tbody>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; white-space: nowrap; background-color: #fdeada;">SMART-1<br>
                                        </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">HV module is integral with the detector itself.&nbsp;<br>
                                        </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; white-space: nowrap; background-color: #ffffcc;">non-SMART-1</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">For “legacy” or “non-SMART-1” detectors, the HV supply is in the form of a Detector Interface Module or “DIM” with 2 m cables. The
                                          DIM has a mating connector for the traditional detector cable set: 9-pin D preamp power cable, Analog In, Shutdown In, Bias Out, and Inhibit In.<br>
                                          <br> DIMS for non-SMART-1 detectors are available with the following high voltage options:<br>
                                          <ul>
                                            <li>DIM-POSGE: Detector Interface Module for ANY Non-SMART-1 positive bias HPGe detector.</li>
                                            <li>DIM-NEGGE: Detector Interface Module for ANY Non-SMART-1 negative bias HPGe detector.</li>
                                            <li>DIM-POSNAI: Detector Interface Module for ANY positive bias NaI detector.</li>
                                            <li>DIM-296: Detector Interface Module with Model 296 ScintiPack tube base/preamplifier/bias supply for NaI detectors with 14-pin, 10 stage photomultiplier tubes.</li>
                                          </ul>
                                        </td>
                                      </tr>
                                    </tbody>
                                  </table>
                                  <strong><strong><strong><strong>
                                          <span style="color: #c00000;"><br> Front Panel Display</span><br>
                                        </strong></strong></strong></strong>
                                  <table align="left" style="padding: 3px; margin-right: 11px; float: none; display: block; visibility: visible;" cellspacing="0" cellpadding="0">
                                    <tbody>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;" colspan="2">In all cases, Bias Voltage Setting and Shutdown polarity are set from the computer. The DSPEC 50 can monitor the output
                                          voltage and shutdown state; Detector high voltage value (read only); and Detector high voltage state (on/off) are displayed on the front panel LCD. The SMART-1 detector provides additional state-of-health
                                          information by monitoring the following functions: Detector element temperature (read only); Detector overload state; and Detector serial number (read only).<br>
                                        </td>
                                      </tr>
                                    </tbody>
                                  </table>
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                                        <td style="padding-top: 5px; padding-right: 20px;"><strong>Model</strong></td>
                                        <td style="padding-top: 5px; padding-right: 20px;"><strong>Description</strong></td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">DSPEC-50</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">DSPEC 50 with MAESTRO Software, single MCA, and single internal High Voltage Power Supply </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; white-space: nowrap; background-color: #ffffcc;">DSPEC-502</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">DSPEC 502 with MAESTRO Software, two MCAs, and two internal High Voltage Power Supplies </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">DSPEC-50A</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">DSPEC 50 (Advanced)&nbsp;with MAESTRO-Pro Software, single MCA, and single internal High Voltage Power Supply </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; white-space: nowrap; background-color: #ffffcc;">DSPEC-502A</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">DSPEC 502A (Advanced)&nbsp;with MAESTRO-Pro Software, two MCAs, and two internal High Voltage Power Supplies </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; white-space: nowrap; background-color: #fdeada;">DSPEC-UPG-A</td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Upgrade of DSPEC-50 to DSPEC-50A or DSPEC-502 to DSPEC-502A</td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px;" colspan="2"><strong>Detector Connection Cable</strong></td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">931431 </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Detector Interface Module (DIM) cable, 4-ft length </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">683410 </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #ffffcc;">Detector Interface Module (DIM) cable, 10-ft length </td>
                                      </tr>
                                      <tr>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">DIM-CABLE-X-S<br>
                                        </td>
                                        <td style="padding-top: 5px; padding-right: 20px; background-color: #fdeada;">Detector Interface Module (DIM) cable; X=length, ft</td>
                                      </tr>
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 * DSPEC 50/50A and DSPEC 502/502A Digital Signal Processing Gamma Spectrometers
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 * ORTEC »
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 * DSPEC 50/50A and DSPEC 502/502A Digital Signal Processing Gamma Spectrometers
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DSPEC 50/50A AND DSPEC 502/502A DIGITAL SIGNAL PROCESSING GAMMA SPECTROMETERS


Advanced Model Features (DSPEC 50A and DSPEC 502A)

 * ADC Conversion Gain up to 64k channels for expanded energy range
   applications!
 * Digital Coincidence Timing for simplified Compton Suppression and Cosmic Veto
   Systems with excellent performance!
 * Web Page and Web Services Interfaces for Operating System independence!


Features Common to Standard and Advanced Models

 * Single MCA (DSPEC 50/50A) and dual MCA (DSPEC 502/50A) versions.
 * Highly stable against variations in count rate and temperature.
 * Automated set-up: Automatic Pole Zero Adjust, Baseline Restorer, and
   Optimize.   
 * Digital spectrum stabilizer.
 * USB 2.0 and Ethernet (TCP/IP) connectivity
 * High throughput capabilities for high count rate applications.
 * Large front panel display for at-a-glance system status information.
 * Support for all HPGe detector types, old and new.
 * 16k ADC Conversion Gain
 * “Loss Free” or “Zero Dead Time” (ZDT)   
 * “Enhanced Throughput” Mode
 * List Mode
 * Ballistic Deficit and Charge Trapping Correction
 * Low-Frequency Rejector (LFR)

   
   

 * LITERATURE +
   
    * DSPEC 50/50A and DSPEC 502/502A Brochure
   
    * DSPEC 50/50A and DSPEC 502/502A Brochure (A4)
   
    * DSPEC 50/50A and DSPEC 502/502A Manual

 * VIDEO +
   
      
   
    * --------------------------------------------------------------------------------
      
      INTRODUCTION TO DSPEC 50/50A AND 502/502A
      
      
      
      
   
    * --------------------------------------------------------------------------------
      
      DSPEC 50/50A AND 502/502A PRESENTATION
      
      
      
      

   
   
   

 * APPLICATIONS +
   
    * Visual Studio Web Services Programming (.zip)
   
    * Timing Setup (.zip)
   
    * Extract Gate Route Mode Spectra (.job)

   
   

 * MORE INFORMATION +
   
   
   
   
   
   
   Experience-Based Performance
   
   The DSPEC® 50 and DSPEC 502 salute the 50th year in which ORTEC has delivered
   innovative and quality nuclear instrumentation to scientists in a broad range
   of applications worldwide. Fifteen years after the first ORTEC DSPEC digital
   spectrometer received acclaim among spectroscopists for its performance and
   stability, the DSPEC 50 and DSPEC 502 are landmark products which bring
   together our long design experience in digital spectrometers and the ongoing
   innovation skills of our developers.
   
   The DSPEC 50 and DSPEC 502 are available in the original Standard and newer
   Advanced models. Both models have the same superior digital signal processing
   and stability for optimal spectroscopic performance while the Advanced models
   include features to optimize coincidence timing applications, such as Compton
   Suppression and Cosmic Veto, Operating System independence through web
   interfaces, and other enhancements.
   
   Advanced Model Features (DSPEC 50A and DSPEC 502A)
   
    * ADC Conversion Gain up to 64k channels for expanded energy range
      applications!
      
      
    * Digital Coincidence Timing for simplified Compton Suppression and Cosmic
      Veto Systems with excellent performance!
      
      
      * Configurable Output Port Options
        * Change Sample: Output on software command for Sample Changer operation
        * CRM: Output on Fast Channel Detect
        * SCA: Output on Peak Height within ROI during acquisition or continuous
        * ADC Gate: Output when Gate is active
        
        
      * Configurable Coincidence and Gate Options
        * Gate: Same options as standard (Off, Coincidence, and Anticoincidence)
        * Coincidence Delay and Window: Optimize coincidence between gate input
          and ADC fast channel.
        * Gate Delay and Window: Program Gate start and duration for coincidence
          events.
        * Gate Route Mode: Coincidence and Anticoincidence data collected
          concurrently. Both spectra and the total can be saved and recalled
          with the N42 (2012) spectrum file.
        
        
      * These functions eliminate the need for complex timing electronics
        configurations that have traditionally been required for coincidence
        timing systems with excellent performance characteristics. Simply
        connect the output of the veto detector (i.e. annulus/plug in Compton
        Suppression or plastic panel in cosmic veto) to the Gate of the High
        Purity Germanium Detector with the output trigger set to CRM (Fast
        Channel Detect) and optimize the Coincidence and Gate timing on the HPGe
        detector. Yes, it is really that simple! And the Gated, Ungated, and
        Total Spectra can all be saved at the same time in the same XML-based
        ANSI N42 spectrum file!
      
      
    * Web Page and Web Services Interfaces for Operating System independence!
      The Web Page Interface is hosted directly on the instrument and enables
      hardware configuration and basic MCA Emulation functions to acquire and
      save spectra without the need to install any software. Simply enter the
      Web Address configured on your instrument in your browser to get started.
      The Web Interface is available with most modern browser applications run
      on any operating system including Windows, Linux, Android, and Apple
      systems.
      
      The Web Service is a programming interface hosted on the instrument for
      custom application development in any operating system and development
      environment that supports Web Services. No need for any special driver or
      software installation, and example projects are available on the ORTEC
      website to help jump start your development.
   
   
   Features Common to Standard and Advanced Models
   
    * Single MCA (DSPEC 50/50A) and dual MCA (DSPEC 502/50A) versions.
    * Highly stable against variations in count rate and temperature.
    * Automated set-up: Automatic Pole Zero Adjust, Baseline Restorer, and
      Optimize.
    * Digital spectrum stabilizer.
    * USB 2.0 and Ethernet (TCP/IP) connectivity
    * High throughput capabilities for high count rate applications.
    * Large front panel display for at-a-glance system status information.
    * Support for all HPGe detector types, old and new.
    * 16k ADC Conversion Gain
    * "Loss Free" or "Zero Dead Time" (ZDT)
      The usual way to account for counting losses at high rates is by extending
      the acquisition time. The underlying assumption is that the sample count
      rate does not change during the total counting period. This is far from
      true when short half lives are encountered or the sample is in motion
      (e.g., flowing through a pipe). ORTEC has refined the loss-free counting
      technique in the digital domain. In this method, the spectrum itself is
      corrected pulse by pulse, and the ZDT method provides both an accurately
      corrected spectrum and correctly calculated statistical uncertainty.
    * "Enhanced Throughput" Mode
      Accuracy at high input count-rates can be limited by the speed at which
      the spectrometer stores data to memory. It is said to be
      “throughput-limited.” Pulse pileup means that beyond a certain point, as
      input count-rate increases still further, the rate of data stored to
      memory DECREASES, reducing result quality. By developing a new kind of
      digital peak detection algorithm, ORTEC has increased the maximum
      throughput by up to 30% by removing some of the dead time associated with
      the process of pulse peak amplitude determination.
    * List Mode
      For situations in which the sample is moving relative to the detector, it
      is often vitally important to be able to measure an activity profile as a
      function of time. Examples of such applications include aerial and
      land-based surveying and portal monitoring. It is usually a requirement
      that no “dead periods” occur, associated with the
      acquire-store-clear-restart cycle. In the list mode of operation, data are
      streamed directly to the computer, event by event. There is no associated
      “dead period.” In the DSPEC 50 implementation, each event is time stamped
      to an accuracy of 200 nanoseconds.
    * Ballistic Deficit and Charge Trapping Correction
      The trapezoidal digital filter in the DSPEC 50 is the same as all other
      ORTEC DSPEC family members. It allows adjustment of the filter to optimize
      the resolution performance of large HPGe detectors which often have
      low-side peak tailing when ballistic deficit is present. These large
      detectors are increasing in use in low level counting applications. The
      adjustment is largely automated by the use of the “OPTIMIZE” feature and
      may be monitored by the InSightTM Virtual Oscilloscope mode.
      
      The DSPEC 50 offers even further capability in the form of the Resolution
      Enhancer, a charge trapping corrector which can be used to reduce the peak
      degradation for neutron damaged detectors. The neutron damage to the
      crystal lattice causes “trapping” centers which hold some of the charge
      created by the gamma-ray interaction. This results in low-side tailing
      similar to ballistic deficit although the cause is different. The charge
      trapping corrector is calibrated or “trained” for the individual detector
      such that it adds back the pulse height deficit, event by event.
    * Low-Frequency Rejector (LFR)
      HPGe detectors do not always perform well in environments where there is
      mechanical vibration. Microphonic noise degrades energy resolution by
      adding low frequency periodic electrical noise to the primary signal.
      Electrical ground loops are also a source of low frequency electrical
      noise. The increasing use of mechanical coolers for HPGe detectors to
      eliminate the need for LN2 and increasing need to take HPGe detectors out
      of the laboratory environment mean an increase in mechanical vibration.
      DSPEC 50 incorporates a Low-Frequency Rejecter (LFR) Filter feature, which
      reduces the effects of such noise sources.
   
   
   DSPEC 50 Display Modes
   The large color display of the DSPEC 50 is used in the initial set-up of the
   Ethernet communications. The status displays can be used to provide several
   standard views:
    * The “Gauges Display”
      The gauges display provides a simple-to-read analog representation of the
      system acquisition status, the green background indicates “count in
      progress”.
    * The “Big Numbers” Display
      The big numbers display provides status information clearly visible from a
      distance.
    * The “Chart” Display
      The chart display monitors count-rate, dead time, and gain stabilizer
      activity during acquisition, thereby providing reassurance that all is
      well. The gain stabilizer display is only shown when the gain stabilizer
      is enabled.
    * Spectrum Display
      The spectrum display provides a live spectral display which will show all
      ROIs set in the unit. In addition, ROIs may be set for the net area which
      can be used to perform a simple activity estimate based on the net area,
      the live time, and a user supplied factor. This permits the display of
      on-screen activity estimates for acquiring peaks.
    * Displays Set-Up Screen
      A simple to use displays set-up screen allows a user to choose what is
      displayed and the duration of the display type if more than one is chosen.
      User supplied JPGs may also be displayed.
   
   
   Instrument Control via Software
   The DSPEC-50 is entirely software controlled and can be configured and
   operated using a variety of ORTEC software applications such as MAESTRO,
   MAESTRO-Pro, and GammaVision, as well as the CONNECTIONS Programmer’s
   Toolkit. The Advanced model can also be setup and controlled using the Web
   Page or Web Services without having to install additional software. The
   Standard models (DSPEC-50/502) include a single user license of the
   traditional MAESTRO MCA Emulation software for a simple setup and data
   acquisition experience. The Advanced models (DSPEC-50A/502A) include a single
   user license of MAESTRO-Pro which has more extensive functionality, including
   support for the new instrument features.
   
   
   
   MAESTRO-Pro vs. MAESTRO Feature MAESTRO MAESTRO-Pro Languages English
   English, German, Chinese, French, Russian Spectrum File Formats CHN, SPC, SPE
   CHN, SPC, SPE, N42 (2006 and 2012) DSPEC-50A/502A Gate Route Mode Support No
   Yes 32k and 64k Channel Spectrum Support No Yes Calibration Features Basic
   Energy Calibration Automated and Interactive Energy, FWHM, and Efficiency
   with Calibration Reports and Graphical Display Peak Fit Basic Region of
   Interest (ROI) Basic Region of Interest (ROI), Interactive Peak Fit with
   multiplets, Display Peak Fit from GammVision analysis Automation Functions
   Basic spectrum acquisition and ROI reporting functions Comprehensive
   automation from GammaVision with the exception of spectrum analysis Library
   Editor External Library Editor Internal Editor compatible with Nuclide
   Navigator when installed Security None Menu Passwords External Spectrum
   Viewer WinPlot GVPlot

   
   

 * SPECIFICATIONS +
   
   
   
   
   
   
   Advanced Model Specifications (DSPEC 50A/502A)
   
   System Conversion Gain 256 to 64k channels. Digital TTL Counters Via Sample
   Ready and Gate Ports synchronized with spectrum acquisition. Web Page and Web
   Services Interface For basic MCA Emulation, hardware configuration and
   programming. Configurable TTL Output Port (Change Sample Port)
    * Change Sample command with user-defined pulse width
    * Input Count Rate based on fast channel trigger
    * SCA Count Rate for each pulse in a region of interest
    * ADC Gate based on Coincidence and Gate logic
   
   Configurable Coincidence and Gate
    * Coincidence Logic: Gate TTL pulse compared to internal fast channel with
      adjustable offset and window (25 nS increments up to ±6.375 µS).
    * Gate Window: Defined by delay after coincidence detection and gate width
      to cover peak detection (25 nS increments up to 200 µS).
    * Gate Route Mode: All events saved as gated or not gated in separate
      memory. The Gated, Ungated, and Total spectrum can be saved to a common
      N42 (2012) spectrum format and read individually using GammaVision and
      other applications compatible with N42 (2012) files.
   
   
   Specifications Common to Standard and Advanced Models
   
   
   Display
   7” backlit color LCD provides status information. Displayed information is
   selectable by the user.
   USB-2.0 Connection For use when connecting one or more DSPEC 50 or 502
   instruments to a single computer. ORTEC CONNECTIONS software supports up to
   255 USB-connected devices per computer.
   Ethernet Connection Allows control of a DSPEC 50 from one or more PCs across
   a network. Standard 10/100M Ethernet connection. TCP/IP Protocol. Link and
   Activity LEDs are integrated into the RJ-45 connector.
   System Gain Settings
    * Coarse Gain: 1, 2, 4, 8, 16, 32, 64, and 128.
    * Fine Gain: 0.5 to 1.1.
    * The available range of gain settings supports all types of HPGe radiation
      detectors. Specifically, the following maximum energy values are
      achievable using the standard ORTEC preamplifier (maximum gain to minimum
      gain):
      
      
      COAX  187 keV to 24 MeV  LO-AX
      94 keV to 12 MeV
      GLP/SLP
      16.5 keV to 2 MeV
      IGLET-X   
      8 keV to 1 MeV
   
   
   Preamplifiers Computer selectable as either resistive or TRP preamplifier.
   System Conversion Gain 512 to 16k channels.
   Digital Filter Shaping Time Constants
    * Rise Times: 0.8 µs to 23 µs in steps of 0.2 µs.
    * Flat Tops:  0.3 to 2.4 in steps of 0.1 µs.
   
   Digital Spectrum Stabilizer Controlled via computer, stabilizes gain and zero
   errors.
   System Temperature Coefficient
    * Gain: <50 ppm/°C. [Typically <30 ppm/°C.]
    * Offset: <5 ppm/°C of full scale, with Rise and Fall times of 12 µs, and
      Flat Top of 0.8 µs. (Similar to analog 6 µs shaping.)
    * Maximum System Throughput: >100,000 cps with LFR off. >34,000 cps with LFR
      on. Depends on shaping parameters.
   
   Linearity
    * Integral Nonlinearity:  <±0.025% over top 99.5% of spectrum
    * Differential Nonlinearity:  <±1% over top 99% of range.
   
   Pulse Pile Up Rejector Automatically set threshold. Pulse-Pair Resolution:
   Typically <500 ns.
   Automatic Digital Pole Zero Adjustment Computer controlled. Can be set
   automatically or manually. Remote diagnostics via InSight Oscilloscope mode.
   (Patented.) Digital Gated Baseline Restorer Computer controlled adjustment of
   the restorer rate (High, Low, and Auto). (Patented.)
   LLD Digital lower level discriminator set in channels. Hard cutoff of data in
   channels below the LLD setting.
   ULD Digital upper level discriminator set in channels. Hard cutoff of data in
   channels above the ULD setting.
   Rate Meter Count-rate display on MCA and/or PC screen.
   Battery Internal battery-backed up memory to maintain settings in the event
   of a power interruption.
   
   
   
   Inputs and Outputs
   If both MCAs are installed (502 model), each MCA has each of the following
   connectors:
   
   
   Detector
   Multipin connector (13W3) with the following:
   
    * Preamp Power: 1 W maximum (+12 V, –12 V, +24 V, –24 V, 2 GND).
    * Analog In: Normal amplifier input.
    * TRP Inhibit.
    * Power for SMART-1 or DIM.
    * Control of HV and SMART-1 Detector (2 wires).
   
   Analog In Rear-panel BNC accepts preamplifier signals of either polarity,
   with rise times less than the selected Flat Top Time setting and exponential
   decay time constant in the range of 40 µs to infinity (including
   transistor-reset and pulsed-optical reset preamplifiers). Input impedance
   >500 Ω, input is dc-coupled and protected to ±12 V.
   ADC Gate In Rear-panel BNC accepts slow positive NIM input; computer
   selectable as off, coincidence, or anticoincidence. ADC GATE must overlap and
   precede the Flat Top region by 0.5 µs, and extend beyond the Flat Top region
   by 0.5 µs. InSight Oscilloscope allows easy alignment of the ADC GATE signal
   with the digital output pulse.
   Inhibit In Rear-panel BNC connector accepts reset signals from
   transistor-reset (TRP) or pulsed-optical (POF) preamplifiers. Positive NIM
   logic or TTL level can be used. Inhibit input initiates the protection
   against distortions caused by preamplifier reset. This includes turning off
   the baseline restorer, monitoring the overload recovery, and generating the
   pile-up reject and busy signals for the duration of the overload. These last
   two signals are used internally to provide information to the dead-time
   correction circuitry.
   USB-2.0 Universal serial bus for PC communications.
   Ethernet Connection Ethernet Connection: Standard 10/100M Ethernet
   connection. Link and Activity LEDs are integrated into the connector.
   
   
   
   Electrical and Mechanical
   
   
   Change Sample Out
   Rear panel BNC connector, TTL compatible.
   Sample Ready In Rear-panel BNC connector, accepts TTL level signal from
   Sample Changer. Software selectable polarity. Preamp Power Out Rear-panel,
   9-pin D connector; provides ±24 V and ±12 V for preamplifier power.
   Dimensions 42.55 cm W x 35.56 cm D x 15.24 cm H  (16.75 in. W x 14 in. D x 6
   in. H).
   Weight DSPEC 50: 11 kg (24.25 lbs).  DSPEC 502: 11.7 kg (25.8 lbs).
   Power
    * Input Voltage: 100–220 V AC.
    * Input Frequency: 47–63 Hz.
    * 110 watts.
   
   Operating Environment 0° to 50°C. Humidity: 0 to 95%, non-condensing.
   Operating Systems Windows 10, 8.1 and 7 via CONNECTIONS. CE Conforms to CE
   standards for radiated and conducted emissions, susceptibility and
   low-voltage power directives. NRTL Certification verifies, through
   OSHA-approved NRTL certification authority TÜV SÜD, that the product meets
   U.S. electrical safety standards (UL/ANSI).
   
   
   Radiation Detector High Voltage Supplies
   DSPEC 50 offers high voltage supply flexibility having both internal HV
   supplies and support for ORTEC DIM and SMART-1 detector HV systems.
   
   Internal High Voltage Supplies
   
   
   Positive Output
   Rear-panel SHV connector, +500 to +5 kV. Computer controlled. Only active
   when the unit is set for positive bias.
   Negative Output Rear-panel SHV connector, –500 to –5 kV. Computer controlled.
   Only active when the unit is set for negative bias.
   Shutdown In Rear-panel BNC is used to turn off the bias supply voltage in the
   event that the detector warms up. The SHUTDOWN must be connected to the Bias
   Shutdown of the detector, or the high voltage will not turn on. The remote
   shutdown may be set to ORTEC or TTL mode via computer control. 
   
   In ORTEC mode, the Remote Shutdown has the following properties:
   
    * An open circuit applied to the SHUTDOWN input indicates a warm detector;
      therefore, the high voltage is turned off. 
    * Drawing a current of 0.33 mA from the SHUTDOWN input indicates a cool
      detector; therefore, the high voltage can be turned on.
   
   
   In TTL Mode, the Remote Shutdown has the following properties:
   
    * An open circuit or a >2.4 V signal on the input indicates that the
      detector is cool. 
    * A <0.8 V signal on the input indicates that the detector is warm and the
      supply should be off.
   
   
   The SHUTDOWN input is clamped at –700 mV by an internal clamp. For use with a
   detector without a shutdown circuit, this feature can be defeated by being
   left open in TTL mode.
   
   
   
   DIM and SMART-1 Radiation Detector Types
   
   
   SMART-1
   HV module is integral with the detector itself. 
   non-SMART-1 For “legacy” or “non-SMART-1” detectors, the HV supply is in the
   form of a Detector Interface Module or “DIM” with 2 m cables. The DIM has a
   mating connector for the traditional detector cable set: 9-pin D preamp power
   cable, Analog In, Shutdown In, Bias Out, and Inhibit In.
   
   DIMS for non-SMART-1 detectors are available with the following high voltage
   options:
   
    * DIM-POSGE: Detector Interface Module for ANY Non-SMART-1 positive bias
      HPGe detector.
    * DIM-NEGGE: Detector Interface Module for ANY Non-SMART-1 negative bias
      HPGe detector.
    * DIM-POSNAI: Detector Interface Module for ANY positive bias NaI detector.
    * DIM-296: Detector Interface Module with Model 296 ScintiPack tube
      base/preamplifier/bias supply for NaI detectors with 14-pin, 10 stage
      photomultiplier tubes.
   
   
   Front Panel Display
   
   
   In all cases, Bias Voltage Setting and Shutdown polarity are set from the
   computer. The DSPEC 50 can monitor the output voltage and shutdown state;
   Detector high voltage value (read only); and Detector high voltage state
   (on/off) are displayed on the front panel LCD. The SMART-1 detector provides
   additional state-of-health information by monitoring the following functions:
   Detector element temperature (read only); Detector overload state; and
   Detector serial number (read only).
   

   
   

 * ORDERING INFORMATION +
   
   
   
   
   
   
   Model Description DSPEC-50 DSPEC 50 with MAESTRO Software, single MCA, and
   single internal High Voltage Power Supply DSPEC-502 DSPEC 502 with MAESTRO
   Software, two MCAs, and two internal High Voltage Power Supplies DSPEC-50A
   DSPEC 50 (Advanced) with MAESTRO-Pro Software, single MCA, and single
   internal High Voltage Power Supply DSPEC-502A DSPEC 502A (Advanced) with
   MAESTRO-Pro Software, two MCAs, and two internal High Voltage Power Supplies
   DSPEC-UPG-A Upgrade of DSPEC-50 to DSPEC-50A or DSPEC-502 to DSPEC-502A
   Detector Connection Cable 931431 Detector Interface Module (DIM) cable, 4-ft
   length 683410 Detector Interface Module (DIM) cable, 10-ft length
   DIM-CABLE-X-S
   Detector Interface Module (DIM) cable; X=length, ft



 

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