3 element geofonu GHL -2 otworowego dla poszukiwań sejsmicznych

3 Component Geophone GHL -2 Downhole 3 Component Terrestrial Seismic Geophone String Fast detailed description: 1 high sensitivity 2 low distortion 3 perfect damping 4 good linear response 5 wonderful waterproof and split-hair resolution Description: GHL-1 3Component Geophone String is one of the newest models developed by Wei Hai Grand to provide the industry with a practical solution to the field problom of 2-C and 3-C arrays using 2 and 3component geophones.The GL2 is