Low frequency 2 hz high sensitivity geophone in vertical direction (P wave) and horizontal direction (S wave) available, which are suitable for deep seismic exploration, engineering pulse measurement and other vibration analysis.
- Long travel version of the ST-2 geophone.
- Special orientations upon request beyond the normal vertical and horizontal options.
- Widely used in industrial vibration-monitoring systems.
- Rugged construction with precious-metal, rotating-coil contacts.
- High sensitivity of 200.0V/m/s.
- 3-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.
Supply low frequency 2.5hz high sensitivity geophone coil, geophone element, single geophone, 3-dimensional geophone and geophone array with KCK connector, KCL connector, 408 connector, Kooter connector, MP16 connector, Split spring connector and Mueller clip connector optional as the lead connector. Lead wires from O.D 4.6mm to O.D 7.8mm available.
Custom geophone connector and lead wire applicable upon request.
| Geophone Type | ST-2 | |
| Natural Frequency Fn(Hz) | 2±10% | |
| Sensitivity G (V/cm/s) | 2±10% | |
| Coil Resistance Rc (KΩ) | 6040±5% | |
| Internal Resistance R (KΩ) | 5800±5% | |
| Damping Coefficient Bt | 0.7±10% | |
| Harmonic Distortion D (%) | ≤0.2 | |
| Insulating Resistance R(MΩ) | ≥20 | |
| Maximum coil excursion p-p(mm) | 3 | |
| Moving Mass M(g) | 60 | |
| Operating Temperature(ºC) | -25~+55 | |
Geophone Element | O.D (mm) | φ38.5 |
| H (mm) | 47 | |
| Weight(kgs) | 0.25 | |
3D Geophone | O.D (mm) | 128 |
| H (mm) | 134 | |
| Weight(kgs) | 2.35 | |
