Brent

Can You deliver further info about sensor (extra weight on piezo and
so...) here or personaly.

Pedja

Brent Brown wrote:
>
> You can use a normal piezo. One project I worked on used 3 simple
> piezo sensors arranged in X, Y, Z planes on a large machine. These
> low cost sensors were identical to a normal piezo sounder, but
> didn't have the hole in the top to let the sound out!
>
> Used variable low pass filters to look at the band of interest,
> rectified and fed into A/D. Machine alarm sounds when vibration in
> any axis exceeds preset level 1, shuts down when exceeds preset
> level 2.
>
> Check out the MuRata PKS1-4A10, Farnell P/N 731-973. Output
> approx 40mV/G.
>
> Brent Brown
> Electronic Design Solutions
> 16 English Street
> Hamilton, New Zealand
> Ph/fax: +64 7 849 0069
> Mobile/text: 025 334 069
> eMail:  brent.brown@clear.net.nz
>
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