What is the basic principle of vibration measurement by
BENTLY NEVADA vibration measurement system? and Why it
gives the -ve voltage output?
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Answer Posted / noel
Thanks a lot Steve Sabin.
I was facing the same doubt from long time. I guess coil
converts impidance to voltage by resonance principle. and
it uses -ve resonance.. PNP transisters are used to
generate excitation frequency..
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