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

Pool Contents
Seismometer                                    45 Units: GÜRALP CMG-3ESP Compact

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

Signal Output
Generator Constant                         2 * 1000 Vs/m
Response                                             Ground velocity from 60 sec to 50 Hz
Max. Output                                        ±20 V

Physical Parameters
Power Consumption                     0.75 Watts @ 12 V
Weight                                                 8.3 kg
Operating Temperatures            -10 to +65 °C

Connectors
Poles and Zeros