Guralp Systems CMG-40T - Manual (Page 35)

Operator's guide
Appendix B Specifications
Outputs and
response
Sensitivity
2 × 160 V/m/s or 2 × 400
V/m/s
Sensitivity (optional high gain
outputs) 2 × 1600 V/m/s or
2 × 4000 V/m/s
Dynamic range > 145 dB
Flat velocity response
0.033 Hz, 0.05 Hz or
0.1 Hz – 50 Hz
Flat acceleration response
DC – 0.33 Hz, 0.05 Hz or
0.1 Hz
High-frequency roll-off See calibration sheet
Output impedance 47 Ω
Differential output ± 10 V
Physical Lowest spurious resonance 450 Hz
Operating temperature range –10 to +60 °C
Base diameter 168 mm
Sensor height
210 mm (including
handle)
Sensor weight 5.0 kg
Power Voltage requirements
10 – 36 V using internal
12 V DC/DC converter
Current at 12 V DC 48 mA
January 2006 35