| Natural Frequency | 10±5.0% |
|---|---|
| Geophone Case | Waterproof Land Case |
| Spike | 75mm |
| Sensitivity ( V/m/s ) | 28.0 V/m/s ±5% |
| Coil Resistance(Ω) | 395±5.0% |
| Natural Frequency | Geophone 4.5 Hz |
|---|---|
| Geophone Case | Waterproof Land Case |
| Damping | 0.6±5% |
| Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Coil Resistance(Ω) | 375±5% |
| Natural Frequency | 10±5.0% |
|---|---|
| Geophone Case | Waterproof Land Case |
| Spike | 75mm |
| Sensitivity ( V/m/s ) | 28.0 V/m/s ±5% |
| Coil Resistance(Ω) | 395±5.0% |
| Natural Frequency | 10Hz±2.5% |
|---|---|
| Geophone Case | Marsh Case |
| Spike | 75mm |
| Coil Resistance（Ω） | 395Ω ± 2.5% |
| Moving Mass ( G ) | 11.2g |
| Natural Frequency | 10±5.0% |
|---|---|
| Geophone Case | Waterproof Land Case |
| Spike | 75mm |
| Sensitivity ( V/m/s ) | 28.0 V/m/s ±5% |
| Coil Resistance(Ω) | 395±5.0% |
| Name | Seismic Geophone |
|---|---|
| Natural Frequency | 4.5Hz±10% |
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| 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% |
| Open Circuit Intrinsic Voltage Sensitivity( V/m/s ) | 27.5 V/m/s ± 2.5% |
| 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 |
|---|---|
| Frequency | 4.5 Hz |
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Diameter | 25.4 Mm |
