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Product News: Materials & Material Processing
Wire Strain Gages and Ceramic Cements are RoHS compliant.
Press Release Summary:
Mar 28, 2017 -
Wire Strain Gages and Ceramic Cements are designed for high temperature environments. Available in ZWH-, ZWN-, and ZWP-Series models, Wire Strain Gages feature free-filament wire construction with welded 0.076 mm diameter lead wires. Packaged with fiberglass reinforced segmented tape carrier, units offer 120-ohm resistance. Ceramic cements are available in WC-16, NCC-3, and HG-1 models. W-16 model is compatible with ZWP-Series wire gages.
Original Press Release
Micro-Measurements Announces Global Market Introduction of Free-Filament Wire Strain Gages and Ceramic Cements for Extreme High-Temperature Environments
Press release date: Mar 21, 2017
The Micro-Measurements® brand of Vishay Precision Group, Inc. (NYSE: VPG), industry innovators in the design, development and manufacture of resistive-foil sensors for high-precision strain measurements, today announced the global market introduction of a new line of free-filament wire strain gages and ceramic cements, expressly designed for extreme high-temperature environments.
The new free-filament wire strain gages allow for high-reliability measurements of both dynamic and limited-static strain, at much higher temperatures than have been traditionally possible with conventional bonded strain gage designs. The gages, offered as the ZWH-, ZWN-, and ZWP-Series, can accurately measure dynamic strain values in temperatures up to +1900°F (+1038°C), as well as limited-static strain to +1500°F (+816°C). They offer excellent oxidation resistance, along with improved bond strength, as compared to traditional free-filament foil gage designs.
Each series offers unique application advantages, depending upon specified parameters. In applications where a compensating grid is used to achieve limited static strain measurements, for example, the iron-chrome-aluminum alloy ZWH-Series is recommended. In applications where optimal fatigue life is desired, the Nichrome-V alloy ZWN-Series is typically specified. And finally, where requirements call for a combination of highest possible oxidation resistance and highest temperature measurement capabilities, the platinum-tungsten alloy ZWP-Series is recommended.
All Micro-Measurements ZWH-, ZWN-, and ZWP-Series gages are RoHS compliant and feature a free-filament wire construction, along with a series of integrated, welded 0.003-inch (0.076 mm) diameter lead wires. A high-fatigue wire (Option Z) is available upon request. The gages offer 120-ohm resistance and are packaged with a fiberglass reinforced segmented tape carrier, which holds the grid and lead patterns intact during installation. They are bonded using either ceramic cement or Roxide flame spray. Among the new Micro-Measurements high-temperature ceramic cement offerings are the WC-16, NCC-3, and HG-1. The WC-16 ceramic cement offers best compatibility with new ZWP-Series free-filament wire gages, while the NCC-3 offers an environmentally friendly and RoHS compliant alternative to ceramic cements containing hexavalent chrome. The HG-1 ceramic cement offers high-performance bonding with steel and superalloys.
Recommended accessories for the new ZWH-, ZWN-, and ZWP-Series include the Model 700 welder and hand-welding attachment, both available from Micro-Measurements, for ease of cable welding to gage leads. Typical applications for the Series include extreme high-temperature strain measurements in chemical plants, power plants and nuclear environments, as well as the testing of gas turbine engine blades and components, automotive exhaust and transmission systems, in-chamber environmental testing, and spacecraft propulsion systems. For more information on these and other stress and strain gage sensing technologies from Micro-Measurements, visit www.micro-measurements.com.
Micro-Measurements, a Vishay Precision Group, Inc. (VPG) brand, is dedicated to the development, manufacture, and marketing of resistive-foil sensors for high-precision strain measurement. Micro-Measurements offers a full complement of strain gages, PhotoStress® equipment and coatings, data acquisition systems, and supplies necessary to obtain accurate, reliable stress data. Our products are used throughout the industrialized world — both in the practice of stress measurements analysis and as the sensing elements in a wide variety of transducers for measuring physical variables (weight, force, torque, pressure, etc.). More information about Micro-Measurements is available at www.micro-measurements.com.
Vishay Precision Group, Inc. is an internationally recognized designer, manufacturer and marketer of: components based on its resistive foil technology; sensors; and sensor-based systems specializing in the growing markets of stress, force, weight, pressure, and current measurements. VPG is a market leader of foil technology products, providing ongoing technology innovations in precision foil resistors and foil strain gages, which are the foundation of the company’s force sensors products and its weighing and control systems. The product portfolio consists of a variety of well-established brand names recognized for precision and quality in the marketplace. To learn more, visit VPG at www.vpgsensors.com.
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