After-sales Service: | Online Service |
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Warranty: | 1 Year |
Accuracy: | 1mm |
Vertical Lines: | 1 |
Horizontal Line: | 1 |
Brand: | Gold |
Customization: |
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Features:
* Compact design.
* Optimised grooved shape for best seabed coupling.
* Implemented gravity for free fall.
* High signal-to-noise ratio.
* Light and corrosion-resistant titanium.
* Low noise irrespective of current.
Take 4.5Hz geophones for example:
No. | Item | Parameter |
1 | Natural frequency(Hz) | 4.5±0.5 |
2 | Typical spurious frequency(Hz) | ≥140 |
3 | Harmonic distortion(%)(@12Hz & 0.7% peak-peak coil to case velocity) | ≤0.3% |
4 | Open circuit damping | 0.56±5% |
5 | Open circuit resistance(ohm) | 375±5% |
6 | Open circuit intrinsic voltage sensitivity(v/m/s) | 28.8±5% |
7 | Maximum tilt angle for distortion specification | 0° |
8 | Maximum tilt angle for specified fn | 0° |
9 | Impedance | 1290Ω@12Hz |
10 | Moving mass(g) | 11.1 |
11 | Max coil excursion p.p(mm) | 3 |
12 | Length(mm) | 33.9 |
13 | Diameter(mm) | 25.4 |
14 | Weight(g) | 81 |
15 | Positive terminal | free terminal close to "+" sign |
16 | Operation temperature range(ºC) | -40~+80 |
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