| 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% |
| 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 ) | 8Hz ± 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 ( Hz ) | 28Hz ± 5% |
|---|---|
| Voltage Sensitivity ( V/m/s ) | 39 V/m/s ± 5% |
| Coil Resistance | 395 Ω ± 5% |
| Moving Mass | 11g |
| Harmonic Distortion ( % ) | ＜0.2% |
| 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 ( Hz ) | 40Hz ± 5% |
|---|---|
| Voltage Sensitivity ( V/m/s ) | 42 V/m/s ± 5% |
| Coil Resistance | 575 Ω ± 5% |
| Moving Mass | 8.2g |
| Harmonic Distortion ( % ) | ＜0.2% |
| 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 | 10Hz ± 5.0% |
|---|---|
| Coil Resistance | 375Ω ± 5.0% |
| Open Circuit Intrinsic Voltage Sensitivity( V/m/s ) | 28.8 V/m/s ± 5.0% |
| Typical Spurious Frequency (Hz ) | ≥240Hz |
| Packaging Details | Carton |
| Natural Frequency ( Hz ) | 100Hz ± 5% |
|---|---|
| Voltage Sensitivity ( V/m/s ) | 23 V/m/s ± 5% |
| Coil Resistance | 570 Ω ± 5% |
| Moving Mass | 5g |
| 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 |
