Güralp CMG-3ESP, Operator'S Manual

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CMG-3ESP Appendices
7.2 Appendix B - Specifications
Parameter Specification
Hybrid sensors 0.1 – 50 Hz
Velocity output bandwidth
High pass filter output flat to acceleration
0.01 Hz –
spec
*
High pass filter output flat to velocity spec – 50 Hz*
Mass position output DC – 0.1 Hz
Velocity sensitivity 1400 V/m/s
Acceleration sensitivity
2000 V/m/s
2
Velocity sensors
Velocity output bandwidth
spec
– 50 Hz*
Mass position output DC – spec Hz*
Velocity sensitivity 2 × 750 V/m/s
Mass position sensitivity
1000 V/m/s
2
Mass locking and unlocking
manual; optional remote
operation
Mass centring automatic, MPU controlled
Sensors 3 orthogonal, each 0.180 kg
Lowest spurious resonance above 140 Hz
Total weight 11 kg
Sensor transducer type capacitive displacement
Feedback transducer type magnet/coil
Connector pressure tight
Temperature range with masses locked –35 to +75 °C
Operational temperature range –20 to +65 °C**
Input voltage 10 – 36 V
Current at 12 V DC 75 mA†
Current at 12 V DC during calibration 100 mA†
Current at 12 V DC during centring 330 mA†
Current at 12 V DC during locking and unlocking 490 mA†
MAN-ESP-0001 40 Issue G - February 2016