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UEi Test Instruments designed the DL389 to offer professionals the most complete TRMS clamp-on meter. Designed for the real world, the DL389 includes a dual display for simultaneous measurement, work light, backlit displays, magnetic mount for hands-free operation, user temperature calibration, built-in test lead storage, and an input jack lock for safety. The DL389 measures 750VAC/1000VDC, 400A AC, Temperature, Capacitance, Resistance, Continuity, Frequency, Duty Cycle, and micro-Amps. Safety rated to CATIII 600V and UL approved. Combine the DL389 with the optional CH3 for safe and unique measurement in hard-to-reach locations.