Hi,
what type of vibration sensors you need, something like this in the attached file?
Edit: .... i not read the "shaft" .... ok .... in the moment i can't remember, but i know that have some info about this type of sensors, actually for electrodinamic, this is a very similar to the microphone.
Hi,
see link below
h**p://www.sensorland.com/VibPage001.html
h**p://www.kistler.com/do.searchResult.us.en-us?content=searchresult¶m=shaft+vibration