The ET600 is a multi-function Megohmmeter capable of producing 125V, 250V, 500V, and 1000V test voltages for insulation resistance measurements up to 4000MΩ. Also tests AC/DC voltages up to 1000V with automatic ranging True RMS technology. Convenient lock function and built-in stand for hands free operation. Dual-function backlit display monitors process. The ET600 is a multi-function Megohmmeter capable of producing 125V, 250V, 500V, and 1000V test voltages for insulation resistance measurements up to 4000MΩ. Also tests AC/DC voltages up to 1000V with automatic ranging True RMS technology. Convenient lock function and built-in stand for hands free operation. Dual-function backlit display monitors process. Voltage Tester tests insulation resistance up to 4000MΩ at 125V, 250V, 500V, and 1000V DC Megohmmeter with test and lock buttons for simple insulation testing Warning alarm and high voltage icon for detection of voltage Measures up to 1000V AC/DC, resistance, and continuity Automatic ranging True Root Mean Square (TRMS) technology for increased accuracy The ET600 is a multi-function Megohmmeter capable of producing 125V, 250V, 500V, and 1000V test voltages for insulation resistance measurements up to 4000MΩ. Also tests AC/DC voltages up to 1000V with automatic ranging True RMS technology. Convenient lock function and built-in stand for hands free operation. Dual-function backlit display monitors process.