Product Overview Adapts advanced technology TKGX Underground Cable Detector is the most effective device to detect underground utilities of gas electric power telecom water supply drainage cable television and etc. Features Portable designation suitable for wild field testing. Full digital control easy to control. English graphic display. Transmitter designed with over load and overheating protection. To detect the location and depth of underground cable accurately also is available for branch pipe or network construction underground cable. Two detect methods: AC current gradient method and ground electric field method. To locate and detect depth of underground cable synchronously.