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5 specifications – Guralp Systems CMG-6T User Manual

Page 30

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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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