| Name | Geophone Seismic Sensor |
|---|---|
| Natural Frequency ( Hz ) | 10Hz ± 2.5% |
| Coil Resistance（Ω） | 395Ω ± 2.5% |
| Open Circuit Damping | 0.316 ± 2.5% |
| Damping With Shunt Resistor | 0.7 ± 2.5% |
| Natural Frequency ( Hz ) | 10Hz ± 2.5% |
|---|---|
| Open Circuit Damping | 0.68±5% |
| Sensitivity (v/m/s) | 22.8±2.5% |
| Coil Resistance (ohm) | 350±3.5% |
| Harmonic Distortion ( % ) | ＜0.075 |
| Frequency | 5Hz |
|---|---|
| Sensitivity | 80 V/m/s |
| Resistance (ohm) | 1850 |
| Cable O.D. | 5.3 Mm |
| Spurious | ≥130 Hz |
