geophone hidrofon

Underwater Hydrophone ZZ-10-LJ type marsh geophone hydrophone​ Fast detailed description: ZZ-10-LJ type marsh geophone is after the common land geophone increased signal enhancement unit (Wu Yuan), greatly enhanced the signal output, so that it can accept to seismic signal strong in swamps, shallow lake beach, soft foundation and medium. The products are mainly used in the marsh and the transition zone of exploration. With the receiving frequency band range of housing design,