The 3M™ Dynatel™ cable/pipe and fault locator 2273M™ and cable/pipe, fault and marker locator 2273M™-iD incorporate advanced electronics to quickly and efficiently locate conductor or sheath (earth return) faults and trace the path of underground cables and pipes (with metallic tracer wire). They provide accurate cable/pipe or Sonde depth measurements, giving a digital readout in inches, feet and inches or centimeters (user-selectable).