| Natural Frequency | 4.5Hz±10% |
|---|---|
| Geophone Case | Waterproof Land Case |
| Spike | 75mm |
| Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Coil Resistance(Ω) | 375±5% |
| Natural Frequency | 4.5Hz±10% |
|---|---|
| Geophone Case | Waterproof Land Case |
| Moving Mass ( G ) | 11.3g |
| Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Coil Resistance(Ω) | 375±5% |
| Natural Frequency ( Hz ) | 14Hz ± 5% |
|---|---|
| Voltage Sensitivity ( V/m/s ) | 28 V/m/s ± 5% |
| Coil Resistance | 395 Ω ± 5% |
| Moving Mass | 11g |
| Harmonic Distortion ( % ) | ＜0.2% |
| Natural Frequency | 2Hz±10% |
|---|---|
| Sensitivity/G (v/cm.s-1) | 2±10% |
| Coil Resistance/ Rc(Ω) | 6040±5% |
| Internal Resistance/ R（Ω） | 5800±5% |
| Damping Coefficient Bt | 0.7±10% |
| Natural Frequency | 10Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Frequency | 4.5Hz |
|---|---|
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Direction | Triaxial |
| Geophone Case | Land Case |
| Geophone Element | GS 20DX Geophone 10Hz |
|---|---|
| Natural Frequency ( Hz ) | 10 ± 5% |
| Geophone Case | Waterproof Land Case |
| Geophone Direction | Vertical |
| Spike | Steel Spike Length75mm |
| Type | 14 Hz Seismic Geophone |
|---|---|
| Natural Frequency | 14Hz±5% |
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Natural Frequency | 2Hz Seismic Geophone |
|---|---|
| Sensitivity (v/m/s) | 200±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Vertical Land Case |
| Natural Frequency | 4.5Hz±10% |
|---|---|
| Geophone Case | Waterproof Land Case |
| Damping | 0.6±5% |
| Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Coil Resistance(Ω) | 375±5% |
