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Introduction to the basics, theory of operation and typical types of bridge circuits. View in browser BASICS AND THEORY OF OPERATION THE WHEATSTONE BRIDGE CIRCUIT Dear reader, Strain gauges convert the applied strain into a proportional change in resistance. To measure even the smallest change in resistance with a high degree of accuracy, a Wheatstone bridge circuit is the most convenient way. In this article, we will introduce the basics and theory of operation and take a look at the dependence of the geometrical position of the strain gauges, the type of bridge circuit used, and the resulting bridge factor. Read now -------------------------------------------------------------------------------- New Nitril Rubber Covering Agent NG120: OIL-RESISTANT COVERING MATERIAL The quality of a measurement made with a strain gauge essentially depends on the type of installation and the design of the measuring point. NG120 nitrile rubber is a brown, single component covering material in a tube, designed to protect strain gauge installations from environmental influences. The solvent adhesive is oil, fuel and plasticizer resistant and cures in contact with air at room temperature − available for delivery shortly (can be pre-ordered now). Discover now Buy Now -------------------------------------------------------------------------------- Selection Guide SELECT THE RIGHT COVERING MATERIAL After installing a strain gauge on a component, the measuring point on the surface of the component must be carefully protected from environmental influences by a covering material. Find out how to select the right covering material for your strain gauge installation in our selection guide. Learn more Lightweight Designs MECHANICAL STRUCTURES ON A DIET Composites are one of the new approaches and technologies driving lightweight designs in industries such as aircraft and automotive. Many see the advantage of composites in lightweight construction, but that’s not the only one. Discover the advantages and disadvantages of composites! Find out more -------------------------------------------------------------------------------- Whitepaper STRAIN GAUGE MEASUREMENTS BEYOND THE BENDING BEAM Standard strain gauge training often starts by applying strain gauges to a semi-rigid bending beam. While this is ideal for demonstrating and visualizing strain combined with a load attached to the bending beam, it varies a lot from your individual application. This paper, originally given at the Western Regional Strain Gauge Committee in October 2021, showcases some of the more unique and challenging strain gauge projects that have been undertaken by the authors. Read now -------------------------------------------------------------------------------- Results as a service MEASUREMENT OF RESIDUAL STRESS Residual and mechanical stress play a role in the strength of a structure, although residual stress is harder to predict. A reliable method of measuring residual stress with minimal damage to the surface is essential. For accurate results, let our service technicians perform the residual stress test on-site. Find out more Case Study OPTIMIZING THE WEIGHT OF A STAY ROD Formula Student Germany is an international construction competition for students, where the Formula Student Team of Darmstadt University of Applied Sciences also participates. As part of this competition, the students worked on optimizing the weight and load capacity of the track rod. Learn more! Check it out -------------------------------------------------------------------------------- Learning, Practicing and Understanding STRUCTURAL TESTING SEMINARS Strain gauge measurements are very often used to monitor structures. The quality of such a measurement essentially depends on the quality of the installation. In the seminar 'Installation of Strain Gauges' you will learn how to install strain gauges even in difficult conditions. To evaluate your measurement data, our DAQ software catman is ready to help you. Learn the basics of operation and special functions for monitoring in our seminar 'Working with catman'. Would you like to learn everything at once? Ask for our individual seminar on Monitoring. Register now -------------------------------------------------------------------------------- HBMSHOP BUY STRAIN GAUGES ONLINE The HBMshop is your perfect business partner. Buy your strain gauges in the HBMshop: it is free, safe and easy! Get started now -------------------------------------------------------------------------------- HBK NEWSLETTER HBK combined our existing newsletters programs (BKSV, HBM, Prenscia) to Hottinger Brüel Kjær. Subscribe to keep up to date on relevant news and articles from the mechanical, sound and vibration, and electrical domains. Our free newsletter will ensure you receive updates on new products, webinars, seminars, technical papers, and much more. Subscribe now! -------------------------------------------------------------------------------- HBK HBM BKSV nCode ReliaSoft Hottinger Brüel & Kjær GmbH Im Tiefen See 45 64293 Darmstadt, Germany +49 6151 803 0 info.de@hbkworld.com Hottinger Brüel & Kjær A/S Teknikerbyen 28 DK-2830 Virum, Denmark +45 77 41 20 00 info@hbkworld.com Manage Newsletter preference | Unsubscribe Hottinger Brüel & Kjær GmbH Hottinger Brüel & Kjær Hottinger Brüel & Kjær GmbH Im Tiefen See 45 Darmstadt Hessen 64297 Germany Email preferences Unsubscribe