Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
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Seismic Geophone Sensor For Land Seismic Survey
Introduction
Seismic geophone sensor consists of a magnet and a coil suspended on a spring. When the ground vibrates, the magnet moves relative to the coil, inducing an electrical current in the coil. This current is then amplified and recorded or analyzed to provide information about the seismic activity. Widely used in used in seismology, oil and gas exploration, and civil engineering applications.
Technical Sheet
| 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 |
| Weigth(g) | 87 | Weigth(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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