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Micro-Measurements' New Generation of Foil Strain Gage Diaphragm Sensors Built on Advanced Sensor Technology Offer High Resistance to 5 kΩ
MALVERN, Pa. Oct. 27, 2015 — Micro-Measurements®, a Vishay Precision Group, Inc. (VPG) brand, has expanded its line of linear and circular diaphragm sensors with the introduction of smaller, higher resistance patterns to serve a wider variety of pressure measurement applications.
Strain gage manufacturers have produced diaphragm gages for use in pressure transducers for over forty years. The devices' unique design allows precise placement of the sensing grids on the diaphragm surface, taking full advantage of the steep strain gradients characteristic to these designs. Built on Advanced Sensors technology, Micro Measurements' new generation of diaphragm strain gages offers a number of unique benefits, including improved grid-to-grid temperature matching, a broad selection of patterns, high resistances to 5 kΩ with tight tolerance of ±0.2% per grid, and short grid lengths (down to 0.5 mm).  The shorter grids result in a higher output, since the active portion of the grid is better matched to the peak strain areas on the diaphragm.
“Using traditional manufacturing techniques, strain gage manufacturers needed as much area as possible to achieve resistances above 350 Ω," said Matt Saas, Micro-Measurements senior applications engineer. "The steep strain gradients limited the grid length, so the outer grid width had to be fanned out radially to take advantage of the entire strain field. This caused increased pattern complexity and resulted in high manufacturing costs. With our Advanced Sensors technology, smaller grid designs are possible with higher resistances and outputs.”
Micro-Measurements' Advanced Sensors strain gages are available in a variety of sizes and tab configurations, and can be installed using automated pick-and-place technologies.
Samples and production quantities of the diaphragm sensors are available now, with lead times of 6 weeks for prototype samples and 12 weeks for standard orders.
Further information about Micro-Measurements strain gages and technical support is available at Follow Micro-Measurements at or
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, 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
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, 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
Micro-Measurements and PhotoStress are registered trademarks of VPG.