The Fisher TW-82 is an easy-to-use single frequency pipe and cable locator. Its ultra-fast target response ensures fast accurate tracing, while eliminating unnecessary user controls. TW-82 transmitter's conductive trace load current display indicates your connection quality quickly and clearly. The locator uses automatic load impedance matching to adjust output for full-rated power over a variety of utility types and ground conditions. View continuous readouts on the Fisher TW-82's large LCD screen, inc