| Name | Geophone Sensor |
|---|---|
| Natural Frequency | 5Hz±7.5% |
| Sensitivity | 98±5% V/m/s |
| Lead-in Cable | 1 M |
| Spurious Frequency (HZ) | ≥250 |
| Natural Frequency ( Hz ) | 60Hz ± 5% |
|---|---|
| Voltage Sensitivity ( V/m/s ) | 35.5 V/m/s ± 5% |
| Coil Resistance | 610 Ω ± 5% |
| Moving Mass | 6.5g |
| Harmonic Distortion ( % ) | ＜0.2% |
| Natural Frequency | 2Hz Seismic Geophone |
|---|---|
| Sensitivity (v/m/s) | 200±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Vertical Land Case |
| 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 | 40Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 14Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 28Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 100Hz±10% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 14Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 5Hz±7.5% |
|---|---|
| Geophone Case | Horizontal Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
