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Seismograph & Accelerometer

Strain Gauges are one of the vital geotechnical sensors that measure strain in underground cavities, tunnels, buildings, concrete, masonry dams, bridges, embedment in soil/concrete etc. It is a resistance that varies with applied force, as it converts force, pressure, tension, weight, etc., into a change in electrical resistance that is measurable. Stress is determined as the object’s internal resisting forces, and strain is defined as the displacement and deformation that occur.

SEISMOGRAPH & ACCELEROMETER

3 Axis Digital Broadband Seismometer

This unit is a three component low noise feedback, velocity output broadband seismometer. The Broadband Feedback seismometer is based on an orthogonal three axis low noise sensor modules with double nested feedback loop topology. The suspension system is based on the principles of “elastica”. The mechanical sensor orientation is Non-Galperin with -75 dB cross axis rejection on all axis.

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SEISMOGRAPH & ACCELEROMETER

3 Axis Digital Accelerometer

This is a digital, force feedback, triaxial accelerometer with digitiser and data acquisition system integrated in a single unit, designed for specific applications in seismology, hazard mitigation and civil & earthquake engineering to study the response of mega structures like dams, barrages, underground caverns & tunnels etc., in case of any seismic activity. It’s extremely large dynamic range exceeding 145 dB makes it ideal equipment for the applications in the open field and to study the ambient ground accelerations. The unit is manufactured by Encardio-rite in India under license from Gaiacode, UK.

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