| Nature Frequency | 1±10% Hz |
|---|---|
| Working Direction | Vertical Or Horizontal |
| Damping | 0.36±20% |
| Sensitivity（80 Hz）v/m/s | 200±10% |
| DC Resistance Ω | 3300±10% |
| Natural Frequency | 2Hz±10% |
|---|---|
| Sensitivity (v/m/s) | 200±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Vertical Waterproof Land Case |
| Natural Frequency | 60Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Nature Frequency Hz | 4.5Hz±17% |
|---|---|
| Sensitivity | 90V/m/s±10% |
| Opening Circuit Damping | 0.3±20% |
| Damping With 20KΩ Shunt Resistor | 0.596±20% |
| Coil Resistance | 2000 Ω±5% |
| Natural Frequency ( Hz ) | 60Hz ± 5% |
|---|---|
| Sensitivity With Shunt Resistor ( V/m/s ) | 48.0 V/m/s ± 5% |
| Coil Resistance | 1450 Ω ± 5% |
| Moving Mass | 7.3g |
| Harmonic Distortion ( % ) | ＜0.2% |
| Natural Frequency | 2Hz±10% |
|---|---|
| Sensitivity (v/m/s) | 200±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Vertical Waterproof Land Case |
| Natural Frequency | 28Hz±5% |
|---|---|
| Geophone Case | Horizontal 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 | Horizontal |
| Diameter | 25.4 Mm |
| Natural Frequency | 1Hz±10% |
|---|---|
| Sensitivity | 200 V/m/s ±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Vertical Waterproof Land Case |
| Frequency | 4.5Hz |
|---|---|
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Direction | Vertical |
| Diameter | 25.4 Mm |
