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* be_ixf; dotnet_sdk; dotnet_sdk_1.4.12 * 16 ms * iy_2023; im_03; id_29; ih_04; imh_48; i_epoch:1680090522541 * ixf-compiler; ixf-compiler_1.0.0.0 * py_2023; pm_03; pd_11; ph_14; pmh_47; p_epoch:1678574865745 * bec-built-in; bec-built-in_1.0.0; bodystr * pn_tstr:Wed Mar 29 04:48:42 PDT 2023; pn_epoch:1680090522541 * 0 ms * Login * Register More * Contact Us * Careers * Xylem Inc. * YSI Blog * Subscribe * Turbo Cart MENU 0 Item(s) $0.00 Sub-total $0.00 Shipping $0.00 Tax $0.00 Total $0.00 -------------------------------------------------------------------------------- View cart Check out * Products * Accessories * Acoustic Doppler Current Profilers ADCPs and Current Meters * Aquaculture Process Monitors and Sensors * Auto Samplers * Automated Chemistry Analyzers * Biochemistry Analyzers * Colorimeters and Photometers * Gas Chromatography Equipment * Gerhardt Lab Instruments * Laboratory and Electrochemistry * Level Gauging, Flow and Data Acquisition * Multiparameter Sondes * Monitoring Buoys and Platforms * Reagents, Membranes and Calibration Solutions * Refractometers * Replacement Parts * Sampling Handhelds * Titration * Total Organic Carbon Analyzers * Wastewater Process Monitors and Sensors * Weather * Applications * Aquaculture * Bathymetric Surveying * Biofuels & Renewable Energy * Bioprocessing and Online Monitoring & Control * Cell Culture * Food & Beverage * General & Environmental Lab * Groundwater * Harmful Algal Blooms - HABs * Irrigation Canals & Turnouts * Life Sciences * Medical Research * Mining & Petroleum * Ocean & Coastal * Ports & Harbor Monitoring * Source, Raw & Drinking Water * Stormwater * Surface Water * Wastewater * Parameters * Ammonia * Biochemical Oxygen Demand - BOD * Blue Green Algae * CDOM-fDOM * Chloride * Chlorophyll * Colorimetry & Photometry Parameters * Conductivity * Depth * Dissolved Oxygen * Level * Life Science Parameters * Nitrate * Oil-Hydrocarbon * ORP-Redox * pH * Phosphorus * Photosynthetic Active Radiation (PAR) * Rhodamine * Temperature * Total Organic Carbon - TOC * Turbidity * Customer Support * Ask a Question * Events, Training & Webinars * Financing Opportunities * Find a Distributor * Find a Systems Regional Integration Center * How To Order * Online Warranty Card * Product Service * Project Consulting - Environmental * Project Consulting - Laboratory * Project Consulting - Municipal * Recommended Replacements * Recycling & Disposal * Repair Parts & Schematics * Repair Status Checker * Request Pricing * Resource Library * Software & Firmware Downloads * University Incentive Program (U.S. Only) * Videos * Water Monitoring Services * Brands * Bellingham + Stanley * Global Water Instruments * OI Analytical * SonTek * YSI * About * History * Blog * Careers * News * Quality * Global Water Instruments * Integrated Systems & Services * Life Sciences * SonTek * WaterLOG * Mission: Water Magazine * Xylem Sustainability * Xylem Watermark SAMPLING AND MONITORING INSTRUMENTS FOR WATER QUALITY, LEVEL, AND SOLUTIONS * 1 * 2 * 3 * 4 * 5 * 6 NEW PRODUCTS EXO1S MULTIPARAMETER SONDE EXO1s Multiparameter Water Quality Batteryless Sonde (4 sensor ports) Request Pricing * details * PROSWAP LOGGER Single-Port Monitoring Sonde Request Pricing * details * EXO NITRALED UV NITRATE SENSOR EXO NitraLED UV Nitrate Sensor for Freshwater Environments Request Pricing * details * SONTEK RS5 Acoustic Doppler Current Profiling System Request Pricing * details * PROQUATRO MULTIPARAMETER METER Portable Sampling Handheld Meter for DO, Conductivity, Salinity, TDS, pH, ORP, Ammonium, Nitrate, Chloride, Temperature and more $1,345.00 * details * WHAT'S NEW AT YSI? See the Latest Products and Solutions One Team on a Mission Spanning nearly 75 years, YSI, a Xylem brand has a customer-focused legacy of developing innovative, environmentally essential technology. Our customers are more than people who use our instruments - they are climate first responders, environmental stewards, and researchers who are passionate about our world along with scientific integrity. Learn More About YSI YSI VEHICLES | AUVS | ASVS | SERVICES Our three vehicle offerings are the rQPOD and HYCAT, autonomous surface vehicles or ASVs, and the EcoMapper, an autonomous underwater vehicle or AUV. YSI has worked with global experts to design vehicle platforms that are rugged yet affordable for environmental monitoring. Our vehicles are optimized for different environments, applications, and can be used for many kinds of surveys, including water quality, water quantity, hydrographic, bathymetric, imaging, scour, and photogrammetry, to name a few. More videos TOP 5 REASONS WHY IQ SENSORNET IS THE BEST OPTION FOR ONLINE ISE MEASUREMENT 03/28/2023 Operators use the data from these sensors to improve their wastewater treatment process with trending, high/low alarms, or process control. Since parameters are critical, operators want the best sensors available to provide accurate and... Keep Reading WATER BLOGGED * Aquaculture * Level/Flow * Laboratory * Surface Water * Wastewater All Blogs NEED HELP FINDING SOMETHING? Contact an Expert FEATURED PRODUCTS PRODSS MULTIPARAMETER DIGITAL WATER QUALITY METER The Ultimate Sampling Handheld. Portable Digital Meter for DO, Conductivity, Salinity, TDS, pH/ORP, Turbidity, Algae, Temperature and more $1,965.00 - $2,585.00 * details * EXO2 MULTIPARAMETER SONDE Multiparameter Water Quality Sonde for Unattended Monitoring (7 sensor ports, including a central wiper port) Request Pricing * details * IQ SENSORNET 2020 3G CONTROLLER Modular water quality monitoring system for a complete sensor network that measures up to 20 parameters Request Pricing * details * PONTOON VERTICAL PROFILING SYSTEM Ideal for Ponds, Lakes, Reservoirs, and Certain Coastal Applications Request Pricing * details * PROSOLO DIGITAL WATER QUALITY METER Portable Optical Dissolved Oxygen, Conductivity, Salinity, and Temperature Digital Handheld Meter $985.00 * details * 2900M ONLINE MONITOR & CONTROL SYSTEM Two Chemistry Online Monitor & Control System Request Pricing * details * MULTILAB 4010-3W Three channel benchtop multiparameter instrument with wireless capability $2,334.00 * details * HYCAT AUTONOMOUS SURFACE VEHICLE Autonomous Surface Vehicle Request Pricing * details * AMAZON BUBBLER Self-contained Continuous Flow Bubbler with Fully Integrated Pressure Sensor Request Pricing * details * IQ SENSORNET ALYZA ANALYZER PO4 IQ SensorNet Orthophosphate Analyzer Request Pricing * details * PreviousNext DETERMINE THE HAB MONITORING SOLUTION FOR YOU The intuitive YSI HAB (Harmful Algal Bloom) monitoring system selector will provide you with a recommendation for the HAB monitoring solution that best fits your requirements! Your answers to the selector questions will help you think through your options, and will help YSI to get you a solution as fast as possible. You might even be able to buy your solution online TODAY! Let's Get Started LOOKING FOR THE BEST INSTRUMENT? Finding the right handheld water quality meter should be easy. Just take our short quiz and the intuitive product selector will provide you with an immediate recommendation based on your needs! From the single-parameter, analog Pro10 to the multiparameter, all-digital ProDSS, we've got you covered. Choose the Right Handheld WHAT IS THE BEST TITRATOR FOR YOU? YSI offers a full range of titration solutions to accommodate your titration requirements. Manual or Automated? We can help! Our titrators, and compatible accessories, efficiently determine concentration levels and quickly detect equivalency points accurately. Start Now WHAT IS THE FLOATING PLATFORM FOR YOUR MONITORING NEEDS? An Integrated System from YSI can be built for almost any water monitoring application. Reveal water quality in the entire water column with a vertical profiler, configure your own unique data buoy or TurnKey system for real-time data collection. Find Out Now GET HELP ON YOUR NEXT ENVIRONMENTAL PROJECT Our technology experts are available to help with everything from instrument selection to data management. YSI, SonTek, Aanderaa, and the Xylem family of brands now offer free virtual consultations for your next water or environmental-related project. Our dedicated application engineers and experts identify the best instrumentation and data collection for your project. Consult Environmental Experts FREE VIRTUAL CONSULTATIONS FOR YOUR LABORATORY APPLICATIONS Our laboratory experts are available to help with everything from instrument selection to application support for various applications. YSI, OI Analytical, and the rest of our Xylem Lab Solutions brands are excited to offer free virtual consultations for your next facility project or upgrade. Our dedicated application engineers and experts identify the best technology for your application. Consult Laboratory Experts CONSULT THE MUNICIPAL WATER EXPERTS Our municipal experts are available to help with everything from instrument selection to application support for wastewater and drinking water treatment. YSI and the Xylem family of brands now offer free virtual consultations for your next facility project or upgrade. Our dedicated application engineers and experts identify the best system for your needs. Consult Municipal Experts A PRACTICAL GUIDE TO PH MEASUREMENT - THE PH HANDBOOK The YSI pH Handbook is a practical guide to pH in the lab or field. It contains helpful tips and recommendations to ensure you take accurate and repeatable pH measurements. This Handbook will help you understand which technology is suitable for your application, maintain the sensors properly, and gather the best pH data possible. Download pH Handbook LOOKING TO PERFECT YOUR TITRATIONS? Want to know what titration is and why it's important? Look no further; we can help. Our Titration Handbook is the perfect download for any user, from beginner to expert! Inside you'll find everything about titration methods and various chemical analysis applications. This Handbook will help you understand which technology is right for you and help you gather the best titration data possible! Download Titration Handbook THE DISSOLVED OXYGEN HANDBOOK - WE KNOW D.O. The YSI Dissolved Oxygen Handbook is a practical guide to DO in the lab or field. It contains helpful tips and recommendations to ensure you take accurate and repeatable DO measurements. Understanding which technology is suitable for your application, maintaining the sensors properly, and gathering the best DO data will ensure You Know DO! Download Dissolved Oxygen Handbook WANT TO KNOW MORE ABOUT PHOSPHORUS? - DOWNLOAD THE COMPLETE GUIDE. YSI has a long history of helping municipal wastewater treatment facilities meet their treatment goals – from developing the first portable dissolved oxygen meter and manufacturing the golden standard for BOD probes to today’s IQ SensorNet system of sensors for water quality monitoring and control. Download Phosphorus Handbook HOW WATER QUALITY SENSORS WORK | ON-DEMAND WEBINARS Our experts dive into the evolution of sensor technology and how they work. In this series, we dive into the following parameters: algae, turbidity, conductivity, pH AND ORP, and dissolved oxygen. Watch the Webinars YSI SHOP Shop our innovative products and buy confidently with YSI. Our team is available to assist, and we have you covered with all the ordering information you need. Shop YSI Here REQUEST PRICING Looking for a price quote on one or more of our products and accessories? Our knowledgeable team is ready to help you along every step of your projects and purchases. Request a Quote ASK A QUESTION Do you have a support question you want to contact us with? Just fill out our simple form. 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CUSTOMER SUPPORT * Ask a Question * Events, Training & Webinars * Financing Opportunities * Find a Distributor * Find a Systems Regional Integration Center * How To Order * Online Warranty Card * Product Service * Project Consulting - Environmental * Project Consulting - Laboratory * Project Consulting - Municipal * Recommended Replacements * Recycling & Disposal * Repair Parts & Schematics * Repair Status Checker * Request Pricing * Resource Library * Software & Firmware Downloads * University Incentive Program (U.S. Only) * Videos * Water Monitoring Services * Call +1 937-688-4255 * Connect with us * info@YSI.com * Youtube * Twitter * LinkedIn * Instagram * Facebook SUBSCRIBE TO OUR BLOG * EMAIL ADDRESS: BY CLICKING ON "SUBSCRIBE NOW TO OUR BLOG", YOU AGREE THAT XYLEM MAY USE YOUR PERSONAL DATA. WE RESPECT YOUR PRIVACY, PLEASE HAVE A LOOK AT OUR PRIVACY AND COOKIE POLICY FOR MORE INFORMATION ON HOW/WHY AND WHERE WE USE YOUR DATA. SUBSCRIBE NOW TO OUR BLOG Copyright © 2023 YSI Inc. / Xylem Inc. All rights reserved. Terms & Conditions of Sale | Terms & Conditions of Purchase | Legal Disclaimer | Privacy Policy | Transparency in Supply Chains | Do Not Sell Or Share My Personal Information YSI Incorporated | 1700/1725 Brannum Lane | Yellow Springs, OH 45387 USA | +1-937-688-4255 | +1 877-726-0975 (US) | info@ysi.com YSI is a trademark of Xylem Inc. or one of its subsidiaries. Learn more about Xylem and Xylem Analytics. We use cookies and beacons to improve your experience on our site. Read more about this in our Privacy Policy. DO NOT SELL OR SHARE MY PERSONAL INFORMATION Our Privacy Notice describes the circumstances in which we may share your information with third parties and explains that certain companies may place tracking technologies like cookies on our sites. 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