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GeoSIG Ltd
AC-23 Accelerometer Manual
This current flowing in the Geophone will move the seismic mass. The movement of the mass generates a
voltage across the Geophone, which is detected by the differential amplifier and induces an output signal.
GEOPHONE
3.3
Basic specifications
Detailed specifications
Input range
Output range
Frequency range
Protections
Power supply
Current drain
Feedback loop
Figure 5 TEST INPUT configuration
AC-23
Acceleration, ±0.2, ±0.5, ±1.0 g, ±2.0 g or ±4.0 g
0 ± 10 Volt differential output OR
0 ± 5 Volt differential output OR
2.5 ± 2.5 Volt single-ended output OR
0 – 20 mA Current-loop (OPTION)
from 0.1 Hz to 100 Hz
(optional 200 Hz)
All connectors pins protected by Transzorb
diodes and VDR
10 – 15 VDC
Typical 30 mA @ 12 VDC
GS_AC-23_UserManual_V14.docx/27.05.2019
Amplifier
OUTPUT
Inverter
TEST LINE
Page 7
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