5 specifications – Guralp Systems CMG-6T User Manual
Page 30

CMG-6T
5 Specifications
Velocity output bandwidth
10s - 100 Hz (standard),
30s - 100 Hz (optional) or
1s - 100 Hz (model CMG-6T-1)
Velocity output sensitivity
2 x 1,200 V/ms
-1
(standard),
2 x 10,000 V/ms
-1
(optional)
2 x 2,000 V/ms
-1
(optional) or
2 x 1,000 V/ms
-1
(optional)
Peak output
±10V (20V peak-to-peak)
Lowest spurious resonance
450 Hz
Linearity
> 90 dB
Cross-axis rejection
> 65 dB
Electronics self-noise
-172 dB (relative to 1 m
2
s
-4
Hz
-1
)
Operating temperature
-40 to +75°C
Temperature sensitivity
< 0.6 V per 10 °C
Mass recentring range
±3° from horizontal
Construction
Hard anodised aluminium case
with 'O'-ring seals throughout
Case diameter
154 mm
Case height (with handle)
207 mm
Weight
2.49 kg
Power supply
10 - 36 VDC
Optional low-power version
5 VDC supply, ±4.5 V output
Calibration controls
common signal and enable lines
exposed on sensor connector
Offset nulling
potentiometers, adjustable
through case
Optional remote nulling
microprocessor controlled motor
drives
Optional accessories
Break-out box
Hand-held control unit
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