instrumen geophone

Geophysical Instruments Geophone tester CBH-300 hydrophone tester Transmission Fast detailed description: The DB-ZD-A type vibration transducer can be measured relative to the shell or structure - i.e. vibration free space absolute vibration, especially for a bearing machine. Vibration in this machine shaft can be more to the casing, the transmitter coupled magnetoelectric vibration velocity sensor, continuous measurement and protection for rotating machinery. The DB-ZD-A