The 20DX geophone 10hz (EG-10-IV) is a conventional double-lead spring geophone with small error in operating parameters and stable and reliable performance. The structure is reasonable in design, small in size and light in weight, and is suitable for seismic exploration of strata and geological environments of different depths. Its rugged design with pigtail construction ensures relability and data integrity in field conditions. Industry standard for cost effectiveness, quality and reliability.