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Broadband Seismometer / GÜRALP CMG-3ESP

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

Pool Contents
Seismometer                            10 Units: GÜRALP CMG-3ESP

Mechanical Parameters
Sensor                                          3 orthogonal sensors
Resonances                                above 140 Hz
Control                                         Zero position (re-center pulse input)Mass lock (electronic)

Signal Output
Generator Constant                2 * 1000 Vs/m
Response                                    Ground velocity from 120 sec to 50 Hz
Max. Output                              ±20 V

Physical Parameters
Power Consumption               0.9 Watts @ 12 V
Weight                                          11 kg
Operating Temperatures     -20 to +65 °C

Poles and Zeros

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