• Find distance to opens & shorts
• Tests all common cables

Now a truly easy to use and affordable TDR is available for contractors, electricians, cable and alarm installers who need to test for opens and shorts in all types of wire including Coax, 2 wire shielded, twisted multi-pair and AC wire. It will measure cable length on spools, in the wall and on the ground, as well as inject a tone onto the line for cable tracing. Adjustable VOP allows for more accurate readings. It is water-resistant; input protected to 250 VAC and gives an audible indication of shorted wires and hazardous AC voltage. Unit includes four AA batteries and a clip lead adapter.