TDR Cable Length Meter Measure length, determine (NVP/VoP) factor, measure distance to faults and track electrical, data, two-wire and Romex® cables. The Klein Tools Cable Length Meter is a portable time domain reflectometer (TDR) for cable length testing. It measures cable lengths, determines the (NVP/VoP) factor, measures distance to cable faults and features a tone generator for cable location. This cost-effective tester provides accurate cable length measurement for various cable types. Includes test leads and carrying case. https://elecena.pl/product/23616319/501-915-cable-length-measuring-device-tdr 2023-06-08 https://elecena.pl/product/23616319/501-915-cable-length-measuring-device-tdr 2026-07-27