SubSurface Instruments Professional Water Leak Detector

The SubSurface Instruments LD-12 Professional Water Leak Detector is one of the best leak detection tool for pinpointing the source of water system losses. With a sensitive ground microphone and handswitch, it allows the construction professional to easily listen for leaks in a variety of terrain and hard surfaces. It has three low-side filters (100Hz, 200Hz, or 400Hz) and three high-side filters (600Hz, 800Hz or 1,200Hz).