The Dynatel 2273 M/ME-iD Cable/Pipe and Fault Locators is a microprocessorbased system that incorporate advanced digital signal processing techniques to quickly trace the path of underground cables and pipes, both copper and fibre optic (with metallic tracer wire). The 2273 M/ME-iD Cable/Pipe and Fault Locators can also quickly and efficiently locate conductor or sheath (earth return) faults.