The more information you share from the data sheet the better although I've now just noticed that the question is about three years old.Īlso, there may be some helpful insight at How sensitive are typical seismometers?ġ37 dB is a factor of $10^$ microns per second or about 1 nanometer per second, which is indeed a realistic number for some capacitive and optical displacement sensors. However we don't yet know what the noise and bandwidth of your signal are yet so we can't evaluate that. On the other hand if the 137 dB is power then we multiply the 20 V by 10 137 / 20 10 6.85 1.4E-7 to get a minimum resolution (again ignoring noise) is 2.8E-6. which is 1 × 10 10 microns per second, and absurdly low number. Tl dr: if 137 dB is the dynamic range in power, then it's 68.5 dB in voltage and velocity which sounds more plausible, and makes the velocity sensitivity well below 1 micron per second. If the sensitivity is 2400 V per m/s then it's. Hopefully you can add a little more information. This is a partial answer because I'm not an expert and because I don't know what the dynamic range of 137 dB means.
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