Guralp 5TB
The 5TB Borehole Accelerometer is a durable, high-performance sensor solution designed for strong ground motion measurements in cased boreholes with diameters ranging from 99 to 203 mm. Developed for reliable recording of high-intensity seismic events and strong ground shaking, this model offers effective use in challenging field conditions thanks to its waterproof structure, dual output options, and mechanical design optimized for borehole installations.
Product Brochure
- Borehole accelerometer suitable for cased wells with diameters ranging from 99 to 203 mm
- Sensor design developed for recording strong ground motion and high-intensity seismic shaking
- Flat acceleration output in the DC – 100 Hz range
- 200 Hz optional frequency extension
- Borehole design with single-jaw hole-lock mechanism
- 76 mm alternative configuration suitable for posthole installation with sand backfill
- Installation structure designed to reduce convection effects
- Full-body O-ring sealing elements
- Waterproof and rugged housing design
- Dual output with high and low gain channels
- Optional high-pass / low-pass filter configurations
- Optional electronic compass module for downhole orientation determination
- Remote DC offset reset capability
- Fully isolated strain relief mechanism preventing cable movement from affecting the sensor
