Fluke Corporation 73-3 Series III 600-Volt Digital Multimeter 600-volt digital multimeter offers exactly the right fit for a wide range of measurements Safety ratings back up the dependable over-voltage protection, which guards against spikes up to 6 kV Built tough from the inside out for years of reliable use; rugged, over-molded body armor case offers constant protection against wear and tear Patented TouchHold mode automatically captures the measurement, beeps, and locks it on the digital display for later viewing Measures 5.0-by-8.0-by-7.0 inches (WxHxD); weighs 2.2 pounds; lifetime warranty