Guralp-systems CMG-6T Uživatelský manuál stáhnout pdf (Strana 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

-4

-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

30 Issue B

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