| Name | 2Hz±10% Low Cost 3 Component Geophone Of Rock Layer |
|---|---|
| Natural Frequency | 2Hz±10% |
| Sensitivity/G (v/cm.s-1) | 2±10% |
| Coil Resistance/ Rc(Ω) | 6040±5% |
| Internal Resistance/ R（Ω） | 5800±5% |
| Frequency | 4.5Hz |
|---|---|
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Direction | Horizontal |
| Diameter | 25.4 Mm |
| Name | 4.5hz Geophone Seismic Sensor |
|---|---|
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Direction | Vertical |
| Diameter | 25.4 Mm |
| Natural Frequency | Geophone 4.5 Hz |
|---|---|
| Geophone Case | Waterproof Land Case |
| Damping | 0.6±5% |
| Sensitivity ( V/m/s ) | 28.8 V/m/s ±5% |
| Coil Resistance(Ω) | 375±5% |
| Frequency | 4.5Hz |
|---|---|
| Sensitivity | 28.8 V/m/s |
| Coil Resistance | 375Ω |
| Direction | Vertical |
| Diameter | 25.4 Mm |
| Frequency | 4.5Hz |
|---|---|
| Sensitivity | 100 V/m/s |
| Coil Resistance | 3800Ω |
| Direction | Horizontal |
| Diameter | 25.4 Mm |
| 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 |
| Case | Waterproof Land Case |
| Connector | Without Connector |
| Coil Resistance | 375 Ohm |
| Natural Frequency | 2Hz±10% |
|---|---|
| Coil Resistance | 6040Ω±5% |
| Sensitivity/G (v/cm.s-1) | 2Hz±10% |
| Moving Mass | 60g |
| Typical Case To Coil Motion P-p | 3mm |
| Natural Frequency ( Hz ) | 14Hz ± 5% |
|---|---|
| Sensitivity With Shunt Resistor ( V/m/s ) | 28 V/m/s ± 2.5% |
| Coil Resistance | 375 Ω ± 5% |
| Open Circuit Damping | 0.2 ±5% |
| Harmonic Distortion ( % ) | ＜0.2% |
