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| Brand | Unbranded |
|---|---|
| Lead in cable | 1 Meter |
| Connector | without |
| Operating Temperature | -40℃ TO +100℃ |
| Product name | Geophone 4.5Hz |
| Natural Frequency ( Hz ) | 4.5±10% |
| Coil resistance(Ω) | 375±5% |
| Sensitivity ( v/m/s ) | 28.8 v/m/s ±5% |
| Used for | Geological survey |
| Country of Origin | China |
| Case | Waterproof land case |