Listening Devices : Geophone

The Geophone accurately locates leaks in buried plumbing lines, by mechanically transmitting leak sounds and vibrations directly to your ears through a stethoscope type headpiece. Bubbling and gurgling noises are created by pressurizing the leaking line with no more than 20 psi of air pressure. By moving the sensing heads over the path of the pressurized line, you determine where the loudest sound is . . . the leak will be directly beneath this point. This is a very easy and accurate leak detector to use.

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