| Natural Frequency | 100Hz±10% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 60Hz±5% |
|---|---|
| Name | 60Hz Vertical Geophone |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 40Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 40Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency ( Hz ) | 40Hz ± 5% |
|---|---|
| Sensitivity With Shunt Resistor ( V/m/s ) | 32.5 V/m/s ± 5% |
| Coil Resistance | 540 Ω ± 5% |
| Moving Mass | 9.3g |
| Harmonic Distortion ( % ) | ＜0.2% |
| Natural Frequency ( Hz ) | 100Hz ± 10% |
|---|---|
| Sensitivity With Shunt Resistor ( V/m/s ) | 35.0 V/m/s ± 5% |
| Coil Resistance | 820 Ω ± 10% |
| Moving Mass | 9.0g |
| Harmonic Distortion ( % ) | ＜0.2% |
| Natural Frequency | 4.5Hz±10% |
|---|---|
| Coil Resistance | 375Ω±5% |
| Open Circuit Intrinsic Voltage Sensitivity | 28.8 V/m/s ±5% |
| Moving Mass | 11.3g |
| Operating Temperature Range | -40℃ TO +100℃ |
| Nature Frequency Hz | 5Hz ±7.5% |
|---|---|
| Sensitivity | 80±5% V/m/s |
| Distortion | ≤0.1% |
| Opening Circuit Damping | 0.6±7.5% |
| Coil Resistance | 1850 Ω±5% |
| Name | Horizontal Geophone 4.5Hz |
|---|---|
| Natural Frequency | 4.5Hz±10% |
| Geophone Case | Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Name | Geophone Seismic Survey |
|---|---|
| Natural Frequency | 60Hz±5% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Other Name | Geo Phones |
