(Meggitt: San Juan Capistrano, CA) -- Meggitt Sensing Systems, designer and manufacturer of high-performance sensing and monitoring systems for air and land-based machinery in extreme environments, has introduced the Endevco model 71M series, a family of rugged, undamped subminiature surface mountable piezoresistive accelerometers, designed to support a variety of high-g shock measurement requirements.

With available g ranges of 2K, 6K, 20K, and 60K, the design of the Endevco model 71M series features a monolithic, four-active arm bridge circuit design incorporating the use of Meggitt’s own proprietary sensing element, machined in-house from a single piece of silicon at its ISO 9001-certified MEMS facility in Sunnyvale, California. This etched silicon chip includes both the inertial mass and strain gauges arranged in an active four-arm Wheatstone bridge circuit, complete with a novel on-chip zero-balance network. The element is housed within a low-profile, miniature, epoxy-sealed subminiature surface mountable package, weighing just 0.06 grams, for minimized mass loading effects.

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