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Time Domain Refelectometer Cable Tester.
The 1503B Metallic Cable Tester that uses time domain reflectometry (TDR), also known as cable radar, to precisely pinpoint faults or changes in impedance in almost any dual-conductor metallic cable. Generates a 1/2 sine pulse, with selectable pulse widths of 2, 10, 100, or 1000 ns. High-resolution 2 ns pulse permits faults as close as 1 foot to be located. Features include direct distance readout- accuracy to better than 1%, intermittent fault monitor mode, high-resolution LCD display with zoom, menu-driven setup, help mode, rugged portability, and calibrated vertical scale. Self tests and internal calibration routines ensure reliability.