Broadband Seismometer / GÜRALP CMG-40T

The GÜRALP CMG-3ESP Compact, made by GÜRALP, is a force balance broadband seismometer. Adaptor cables are available for EarthData recorders.

Pool Contents
Seismometer, 95 units GÜRALP CMG-3ESP Compact
Mechanical Parameters
Sensor3 orthogonal sensors
Resonancesabove 140 Hz
ControlZero position (re-center pulse input)
Mass lock
Signal Output
Generator Constant2 * 1000 Vs/m
ResponseGround velocity from 60 sec to 50 Hz
Max. Output±20 V
Physical Parameters
Power Consumption0.75 Watts @ 12 V
Weight8.3 kg
Operating Temperatures-10 to +65 °C


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Karl-Heinz Jäckel
Geophysical Deep Sounding

Building E, room 454
14473 Potsdam
tel. +49 331 288-1229