Dolang Geophysical - Model JEA247E500 -Telemetry Geophone

The first 24 ch have the possibility to operate for continuosly for hours acquisition at frequencies 250-500 Hz, this allows easy acquistion for file 20 `- 30` with a single file, very practical thing for passive seismic.

For applications ESAC, ReMi, SPAC, MAM.

Naturally MASW, FTAN, SASW. REFRACTION, REFLECTION. Following different parameters of acquisition

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