... .1 General informationSW_TC880 =TDR + Bridge SW_TC880=Automatic Detection + Manual DetectionSW_TC880 Cable Fault Locator is the latest test instrument developed ... open circuit, short circuit, poor insulation can be detected.l Multimeter function: it can be used to detect isolation ... precise, it can find almost all types of faults.l Manual Detection: easy to detect, it matches with automatic detection ...