Variable Capacitance Accelerometer from Meggitt
Meggitt Sensing Systems
March 21, 2010
The Endevco Model 7290E from Meggitt Sensing Systems, San Juan Capistrano, CA, is a high-precision variable capacitance accelerometer with integral digital temperature compensation, designed to accurately measure low-frequency events. Available in 7 models, with sensing ranges from 2–150 g, the sensor incorporates a variable capacitive sensing element with gas damping and internal overrange stops and is offered in a range of excitation voltages and either differential or single-ended output. Nonlinearity and hysteresis are ±0.2% F.S. (typ.). Applications include aircraft flight and flutter testing, automotive rough-road body motion studies, suspension systems tests, railroad testing and train tilt control, and short-term navigation.
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