Research Article
Characteristics of Valuable Microseismic Events in Heading Face of an Underground Coal Mine Using Microseismic System
Table 2
Parameters of the sensor used in the MS system of 117 track gateway.
| Parameter | Parameter description |
| Sensor model | GZC60 | Sensor type | Moving coil speed sensor | Receiving frequency | 0–800 Hz | Sensitivity | 100 V/m/s | Vibration acceleration | 50 m/s2 | Peak acceleration | 500 m/s2 | Distortion | ≤0.3% | Damping coefficient | 0.6 | Installation mode | Installed at the end of bolt |
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