TDR2000/3, TDR2010 and TDR2050 are state of the art, dual channel, high resolution, compact Time Domain Reflectometers with a colour screen for locating faults on paired metallic cables. All TDRs in this series have a minimum resolution of 0.1 m / 0. 3ft and a 2 0km / 60 kft maximum range depending on the velocity factor selected and the cable type.