The Extech 380395 / 380396 Digital High Voltage Insulation Tester tests voltages of 500V, 1000V, 2500V and 5000V and measures insulation resistance to 60GΩ. The Extech 380395 has a large 6000 count display with bargraph and backlight. Choose between 120V or 220V European plug for power supply.

The Extech 380395 / 380396 Digital High Voltage Insulation Tester has polarization index measurement (PI) and dielectric absorption ratio measurement (DAR). The Extech 380395 / 380396 can take AC/DC voltage measurement from 0 to 600V with max/min, peak and relative functions and there is a 1 to 15 minute timer function for IR measurements.

Other features include resistance measurement, autoranging, indication of output voltage and discharge voltage, auto-discharge function, voltage output warning function, auto power off and battery check.