| Natural Frequency ( Hz ) | 4.5±10% |
|---|---|
| Coil Resistance(Ω) | 375±5% |
| Damping | 0.6±5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Harmonic Distortion ( % ) | ≤0.2% |
| Natural Frequency ( Hz ) | 4.5±10% |
|---|---|
| Coil Resistance(Ω) | 375±5% |
| Damping | 0.6±5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Harmonic Distortion ( % ) | ≤0.2% |
| Natural Frequency ( Hz ) | 4.5±10% |
|---|---|
| Coil Resistance(Ω) | 375±5% |
| Damping | 0.6±5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Harmonic Distortion ( % ) | ≤0.2% |
| Natural Frequency ( Hz ) | 4.5±10% |
|---|---|
| Coil Resistance(Ω) | 375±5% |
| Damping | 0.6±5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Harmonic Distortion ( % ) | ≤0.2% |
| Natural Frequency ( Hz ) | 4.5±10% |
|---|---|
| Coil Resistance(Ω) | 375±5% |
| Damping | 0.6±5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Harmonic Distortion ( % ) | ≤0.2% |
| Natural Frequency ( Hz ) | 4.5±10% |
|---|---|
| Coil Resistance(Ω) | 375±5% |
| Damping | 0.6±5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Harmonic Distortion ( % ) | ≤0.2% |
| Natural Frequency ( Hz ) | 4.5±10% |
|---|---|
| Coil Resistance(Ω) | 375±5% |
| Damping | 0.6±5% |
| Open Circuit Intrinsic Voltage Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| 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% |
| Frequency | 4.5Hz |
|---|---|
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Direction | Triaxial |
| Geophone Case | Land Case |
| 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% |
