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Appendix b: specifications – Guralp Systems CMG-DM24S12AMS User Manual

Page 78

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CMG-DM24S12AMS Operator's guide

Appendix B: Specifications

Output

Low gain output options

2g, 1g, 0.5g, 0.1g

Corresponding high gain

outputs

0.2g, 0.1g, 0.05g, 0.01g

Dynamic range at 2 g

standard

Dynamic range, 0.005 – 0.05
Hz

< 140 dB

Dynamic range, 3 – 30 Hz

< 127 dB

Standard frequency band

DC – 100 Hz (–3dB

point)

Optional low-pass corner

50, 100 or 200 Hz

Linearity

0.1 % of full scale

Cross-axis rejection

0.001g / g

Calibration

controls

Open-loop response

pin on connector

Closed-loop response

pin on connector

Step function response

may be added to open-

and closed-loop
calibrations

External inputs

Sine-wave, step, or

pseudo-random

Physical

Lowest spurious resonance 450 Hz

Operating temperature

range

–20 to +70 °C

Pressure jacket material

hard anodised

aluminium

Power / signal connector

Mil-spec connector on

sensor housing (02E-

14-19P)

Dimensions

75 × 75 × 125 mm

Weight

908 g

Power

Current at 12 V DC

8 mA

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Issue B