| 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% |
| Name | Geophone 10hz |
|---|---|
| Natural Frequency ( Hz ) | 10Hz ± 3.5% |
| Open Circult Damping | 0.51 ± 7.5% |
| Opening Circuit Intrinsic Voltage Sensitivity (v/m/s) | 85.8 ± 3.5% |
| Coil Resistance (ohm) | 1800 ± 3.5% |
| Name | Geophone Seismic Sensor |
|---|---|
| Natural Frequency ( Hz ) | 10Hz ± 5% |
| Voltage Sensitivity ( V/m/s ) | 28 V/m/s ± 5% |
| Coil Resistance | 395 Ω ± 5% |
| Moving Mass | 11g |
| Name | Geophone 4.5 Hz |
|---|---|
| Frequency | 4.5Hz |
| Feature | Low Frequency |
| Sensitivity | 100 V/m/s |
| Coil Resistance | 3800Ω |
| Name | 4.5hz Geophone Seismic Sensor |
|---|---|
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Direction | Vertical |
| Diameter | 25.4 Mm |
| Name | Geophone Seismic Sensor 2Hz |
|---|---|
| Natural Frequency | 2Hz±10% |
| Coil Resistance | 6040Ω±5% |
| Sensitivity/G (v/cm.s-1) | 2Hz±10% |
| Moving Mass | 60g |
