Active Member
|
[China]
Address: 9F/10,Jintai Building,Nanping,Chongqing,400060,China
Contact name:Ceilin Wang
Chongqing Gold M& E Equipment Co., Ltd. |
|
|
Land Geophone String is a very ideal sensor for Land oil exploration. Its good performance simple operating,stable
and reliable parameters,light weight,and reasonable stucture made very suitable for all kinds complex field.Now
is widely used in oil exploration,mineral exploration,and objection exploration.
| 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 |
