How to Check Seismic Vibration Sensors

Ok,

http://www.pcb.com/Linked_Documents/IMI-Sensors/699A02_0708_LoRes.pdf

This is just one of many options for checking accels or seismic sensors. If you google portable shaker table, or accelerometer calibrator you will get others.

Thanks.

Hi,

if you want a cheap solution: get a big loudspeaker (-including servo amplifyer and sine or noise or pulse- generator-) and mount your transducer (with only minor mass added) in the center. All this is available for a few $ from the car's audio freaks.

Put below a high grade accelerometer to compare the response of your test item with the known good one.

I prefer the Q-Flex (Honeywell-Sundstrand) as it is among highest quality and easily calibrated by turning upside down as it has 0 to 2 KHz bandwidth.

If the 2 KHz is not enough, then add an additional piezoelectric accelerometer.

RHABE