XLT30H Electronic Listening Device: Anderson Manufacturing Company, Inc.

Model: XLT30A Probe Sensor

Fisher Labs XLT-30-A Leak Detector w/Big Foot Mic, Hydrophonic Probe

Hydrophone Leak Tools – Blog

XLT30H Electronic Listening Device: Anderson Manufacturing Company, Inc.

Main Drain Pipe Leak - Listening With XLT30 Ground Probes

Hydrophone Leak Tools – Blog

Main Drain Pipe Leak - Listening With XLT30 Ground Probes

XLT30H Electronic Listening Device: Anderson Manufacturing Company, Inc.

XLT30H Electronic Listening Device: Anderson Manufacturing Company, Inc.

Anderson Mfg. Co., Inc.

Fisher Labs XLT30D Liquid Leak Detector with Big Foot and Multi-Sensor: Leak Detection Tools: : Industrial & Scientific

Anderson Manufacturing Company, Inc.

Produced by a leader in the hydrophone industry and copied by others, the H2 features a well protected and sensitive microphone with in an integrated

Aquarian H2 Hydrophone