| Natural Frequency | 4.5Hz±10% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | Steel Spike Length 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 4.5Hz±10% |
|---|---|
| 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 | 40Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency ( Hz ) | 10Hz ± 2.5% |
|---|---|
| Coil Resistance（Ω） | 375 ± 2.5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ± 2.5% |
| Sensitivity With Shunt Resistor ( V/m/s ) | 22.9 V/m/s ± 2.5% |
| Typical Spurious Frequency (Hz ) | ＞240Hz |
| 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℃ |
| 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% |
| Natural Frequency | 10Hz±2.5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 10Hz±2.5% |
|---|---|
| Geophone Case | Marsh Case |
| Spike | 75mm |
| Geophone Connection | 6X2 |
| Cable O.D | 5.33mm |
