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Per Westermark
03/07/12 00:46
Read: 332 times
Sweden


 
#186462 - Scale
Responding to: ???'s previous message
Note the big difference in amount of vibration if you hold a sensor and shake it, or if you bury it in the ground and expect to see vehicles at 100m distance.

If your multimeter can see voltages in the volt range when shaking the sensor - do you think it can see mV or uV signals from minute vibrations?

Obviously, you must have alrady considered what type of electronics you need to use with this sensor. And exactly how large signals the sensor gives for the type of vibrations you want to measure.

List of 3 messages in thread
TopicAuthorDate
problem with SM-24 geophone      Raju M      03/06/12 23:21      
   Can I use multimeter to measure response of geophone      Andy Neil      03/07/12 00:27      
   Scale      Per Westermark      03/07/12 00:46      

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