Megger TDR2050 US Dual Channel Power Plus Cable Fault LocatorTDR2050 US Dual Channel Power Plus Compact Time Domain Reflectometer (Cable Fault Locator) with Trace Tagging, 600 V CAT IV rating, Step, DDG and FindEnd functions. CAT IV 600 V input protection IP54 rating offers real life working 'Auto Setup' mode for instant, easy use 'AutoFind' and 'FindEnd' functions helps find the fault fast Trace tagging facility that allows a name to be saved with the trace Distance dependent gain to counteract signal