| Customization: | Available |
|---|---|
| After-sales Service: | 24h Online |
| Warranty: | 1 Year |
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* High sensitivity, be able to record more smaller seismic signals.
* Lower distortion, which can ensure the results is reliable.
* Small size and light weight, convenient for transportation.
* Support personal customization, including logo, connector, leading wire length. etc
* Wide rang, covering from 4Hz to 100Hz
| GD-4.5 Vertical | GD-4.5 Horizontal | ||
| Type | GD-4.5 Vertical | Type | GD-4.5 Horizontal |
| Natural frequency(Hz) | 4.5±0.5 | Natural frequency(Hz) | 4.5±0.5 |
| Typical spurious frequency(Hz) | ≥140 | Typical spurious frequency(Hz) | ≥140 |
| Harmonic distortion(%) | ≤0.3% | Harmonic distortion(%) | ≤0.3% |
| Open circuit damping | 0.6±5% | Open circuit damping | 0.6±10% |
| Open circuit resistance(ohm) | 395±5% | Open circuit resistance(ohm) | 395±5% |
| Open circuit intrinsic voltage sensitivity (v/m/s) | 28.5±5% | Open circuit intrinsic voltage sensitivity (v/m/s) | 28.5±10% |
| Allowable tilt(°) | 0 | Allowable tilt(°) | 0 |
| Moving mass(g) | 11 | Moving mass(g) | 11 |
| Max. Coil excursion p.p (mm) | 1.52 | Max. Coil excursion p.p (mm) | 1.52 |
| Length(mm)) | 33.3 | Length(mm)) | 33.3 |
| Diameter(mm) | 25.4 | Diameter(mm) | 25.4 |
| Weight(g) | 87 | Weight(g) | 87 |
| Temperature range(°c) | -40 to +80 | Temperature range(°c) | -40 to +80 |
| Warranty period (year) | 1 | Warranty period (year) | 1 |
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