Guralp Systems Limited
MAN-T60-0001 - CMG-6T Operator's Guide

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1. Introduction 2. First Encounters 3. Calibrating the CMG-6T 4. Connector pin-outs 5. Specifications 6. Revision history

Chapter 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 m2s-4Hz-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

PreviousNext

1. Introduction 2. First Encounters 3. Calibrating the CMG-6T 4. Connector pin-outs 5. Specifications 6. Revision history