Land cased geophone 5Hz is an ideal choice for deep seismic survey, nodal system and single point acquisition in landslide monitoring, shallow exploration in urban areas, natural seismic observing, background notice collecting, and etc.
- Special orientations upon request including vertical and horizontal options.
- Widely used in industrial monitoring systems.
- Ideal choice for Nodal system and fully compatible with eSeis and SmartSolo system.
- Rugged construction with precious-metal, rotating-coil contacts.
- High open circuit intrinsic voltage sensitivity of 80.0V/m/s.
- 2-year limited warranty exclusive of high voltage, lightening or physical abuse.
| Type |
ST-5NA |
| Natural frequency ( Fn ) |
5Hz ± 7.5% |
| Open Circuit Damping |
0.60 ± 7.5% |
| Coil resistance |
1850Ω ± 5% |
| Open circuit sensitivity |
80.0 V/m/s ± 5% |
| Harmonic distortion |
<=0.1% |
| Typical spurious Frequency |
>=150Hz |
| Moving Mass |
22.70g |
| Max.coil excursion p-p |
3mm |
| Max.tilt angle |
10º |
| Element Diameter |
32.0mm |
| Element Height |
44.0mm |
| Element Weight |
166g |
| Operating Temperature |
-40ºC to + 80ºC |
| Warranty Period |
2 years |
- All parameters specified herein are rated at a temperature 20ºC±2ºC.
- 2-year limited warranty on basic element exclusive of high voltage, lightening and physical abuse.
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