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Pzieoelectic sensor failure modes

Discussion in 'Electronic Repair' started by D Yuniskis, Aug 18, 2009.

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  1. D Yuniskis

    D Yuniskis Guest

    Hi,

    I'm using a piezoelectric sensor to measure pressure
    (changes, of course :> ) in a relatively high frequency
    (a few hundred hertz) high dynamic range (0 - 25,000 lbs
    percussive loading) application.

    I'm wondering what types of failures I can expect to see
    and schemes to alleviate them.
     
  2. N_Cook

    N_Cook Guest


    Do the test items themselves involve failure and shock waves? I used to work
    where we did destructive, up to 50 ton, testing of beams etc and we had
    these neat looking but useless loadcells with built in LCD displays that
    could not take the conducted shockwaves at failure.
     
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