ESDA-120S 3D seismograph

Encardio-rite model ESDA-120S 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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