Development and Evaluation of a Surface-Mount, High-G Accelerometer

Report No. ARL-TR-3331
Authors: Philip J. Peregino II and Edward Bukowski
Date/Pages: September 2004; 44 pages
Abstract: The Endevco model 7270A high-g accelerometer has been used successfully in numerous flight tests at the U.S. Army Research Laboratory. The accelerometer is available in ranges as low as 6,000 g?s and up to 200,000 g?s, so they can be used in a variety of situations to measure setback, setforward, and balloting in artillery rounds, mortars, and tank projectiles, to name a few. However, one of the disadvantages of the model 7270A is its physical size. In the area of die level and surface mount components, the 7270A is relatively large. The sensing element is packaged inside a metal case with screw holes for mounting to a rigid surface. In addition, there are wires protruding from the case for electrical connections. In the area of munitions, small cavities don?t always afford the room for a large gage. It was desirable to repackage the die in a smaller container and make it a surface mount component for a printed circuit board. A contract was awarded to Endevco to repackage the existing die and to develop a triaxial version using that repackaged die. The newly developed accelerometers were tested and evaluated at the U.S. Army Research Laboratory.
Distribution: Approved for public release
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Last Update / Reviewed: September 1, 2004