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Geobit - Model S-100-MK3 Version -Wide Band Seismic Sensor
The S-100 MK3 (third generation) is a three-component velocity output seismic sensor. The design is based on the force-balance principle, thus using three simple geophone elements, the frequency bandwidth is extended from 90Hz, down to 0.1Hz. The default cable length between the sensor casing and the electronics box is approximately 20 meters but it can be extended up to150 meters.
The sensing elements are housed in the same 50mm casing, therefore a solid waterproof sensor is suitable for installation into boreholes where the noise is much less than the surface. The elements are oriented according to the 3-axes principle. A dot mark, incised on the plastic cover of the case that indicates the direction of the North direction. Surface mount sensor package is also available.
The sensor is totally controlled by an advanced signal conditioner circuit which supplies current to the geophones forcing them to a constant vibration at different frequencies. The signal conditioner circuit is fully protected against over voltage, opposite power supply polarity and lightning inductive currents. When inactive, it enters the “power-off” mode in order to reduce power consumption of the system.
- 3-axis Wide Band Response (10sec-98Hz) seismic sensor
- Designed according the Force-Balance principle
- High Sensitivity 1500 V/m/sec, Ultra low power consumption.
- Borehole Type, 50mm diameter, elastic packer mounting.
- Typical 20m cable length, optional up to 150m
- Build-in Self test function.