Megger MIT230-EN Insulation Tester, 1000 Megaohms Resistance, 250V, 500V, 1000V Test Voltage Insulation tester for testing insulation resistance, voltage, and continuity in electrical installations Average-sensing meter provides accurate readings when measuring linear loads, where the current or voltage has a sinusoidal waveform Dual digital display with analog arc function to replicate response of analog meters Measures insulation resistance from 0 to 1,000 megohms, voltage from 25 to 600V, and continuity from 0.01 to 100 ohms Safety rated to European Standard EN61010-1 Category III, 600V and IP40 rated for protection against accidental contact with hazardous parts