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Strain gauge diaphragm sensors offer up to 5kΩ resistance

29 Oct 2015

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Micro-Measurements, a Vishay Precision Group Inc. (VPG) brand, has extended its portfolio of linear and circular diaphragm sensors with the release of smaller, higher resistance patterns to serve a number of pressure measurement applications.

Strain gage manufacturers have produced diaphragm gauges for 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' latest diaphragm strain gauges offer a number of unique benefits such as improved grid-to-grid temperature matching, a broad selection of patterns, high resistances to 5kΩ with tight tolerance of ±0.2 per cent per grid, and short grid lengths (down to 0.5mm), detailed the company. 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.

Micro-Measurements' advanced sensors strain gauges 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 with lead times of six weeks for prototype samples and 12 weeks for standard orders.

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