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Micro-Measurements® Introduces Sensor Gage With Built-In RTD for Accurate Temperature Measurement
MALVERN, Pa. Nov. 17, 2015 — Micro-Measurements®, a brand of Vishay Precision Group, Inc. (VPG), today launched its new Sensor Gage, which features a strain gage (gauge) and embedded resistance temperature detector (RTD) on the same substrate. Built on Micro-Measurements' Advanced Sensors strain gage (gauge) technology, the new device simplifies layouts while meeting market demand for precise and accurate strain measurement.
Unless the environmental conditions of an application remain static, it is critical to know the temperature at the strain gage (gauge) location to correct for any change in resistance of the gage due to temperature fluctuation (thermal output). Even as strain gage (gauge) manufacturers become more skilled in minimizing thermal output by controlling the metallurgy and heat treatment of the alloys used to produce the resistance grid, temperature monitoring to improve measurement accuracy continues to be of great importance.
Micro-Measurements goes to great lengths to characterize the thermal output of its strain gages (gauges), and provides the appropriate fourth-order polynomial variables derived from the thermal output of each batch of gages constructed of well-known materials. These variables are critical to minimizing the effect of thermal output on test data, a factor so critical to accurate strain measurement that Micro-Measurements offers temperature measurement capabilities in all its data acquisition systems, either via thermocouple inputs or an RTD.
"Until now, customers needing to measure strain and temperature—such as in the experimental stress analysis and OEM transducer markets—have had to install both a strain gage (gauge) and a separate temperature sensor," said Darryl Peterson, Micro-Measurements technical sales manager. "A key consideration in installing these components is the sensor's proximity to the strain gage (gauge), which must be very close to accurately measure the temperature of the gage site. With our Sensor Gage both components are installed in a single bonding operation, ensuring that the temperature sensor is at the best possible location to make the most accurate measurement."
For more information about samples and production quantities of the new Sensor Gage, please contact the Micro-Measurements application engineering department at straingage@vpgsensors.com. Further information about Micro-Measurements' Advanced Sensors products is available at http://www.micro-measurements.com/transducer-class-strain-gages/advanced-sensors/. Follow Micro-Measurements at www.strainblog.com or twitter.com/strain_gage.
About Vishay Precision Group, Inc. (NYSE: VPG)
VPG 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 (gauges), 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.
About Micro-Measurements
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 (gauges), 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.
Micro-Measurement and PhotoStress are registered trademarks of VPG.