Save Time & Money! Specifically designed for testing aircraft wiring - coax, twisted pairs, or single-wires in a harness. Provides the clearest possible TDR trace of cables, highly accurate distance to fault (DTF) or end of cable. Displays impedence and loop resistance. Has dual cursors, backlit quarter VGA display, 32 trace memory and 64 cable types. PC software is included for uploading, storing, and printing test results, and managing cable lists and more.