Fisher Labs XLT30A Option A, Liquid Leak Detector with Big Foot Microphone and Hydrophobic Probe

Fishers XLT-30 takes leak detection to a new level. Ultra sensitive sound microphones, combined with a non-distortion amplification system and crystal clear audio headphones make the XLT-30 the leak detector destined to set new standards for the leak professional. Option A - The Big Foot Sensor, also known as the Ground Microphone, is to be used on hard surfaces, concrete, asphalt, tile, etc. A flexible rubber shield helps pre-vent outside sounds from interfering with the sounds from the buried pipe. Press and hold the red button near the handle to mute the audio from the probe and suppress loud sounds when the probe is moved.