Acceleration sensor impact test method and apparatus

Details Acceleration sensor impact test method and apparatus Acceleration sensor impact test method and apparatus

1995-11-24

1997-10-14

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01L 2700

Patent

active

056774753

ABSTRACT:
An impact test apparatus for testing the impact resistance of an acceleration sensor having a cantilevered sensor tip containing a diaphragm comprises a rod-like push needle for depressing a free end of the cantilevered sensor tip, a DC motor for driving the push needle, a controller for controlling the DC motor. The test apparatus is arranged in a process of assembling acceleration sensors wherein the push needle is displaced to depress the free end of the cantilevered sensor tip and a voltage output from the acceleration sensor in response to stresses caused by the depression at the diaphragm is detected by a voltmeter.

REFERENCES:
patent: 4708012 (1987-11-01), Folk et al.
patent: 5471876 (1995-12-01), Yano

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