Insulation measuring device. The test device enables measurements of insulation resistance with test voltages between 50 V and 1000 V in accordance with 0413-1, -2 (EN 61557-1, -2). The measuring range extends from 100 k to 10 G. . Insulation resistance measurement with test voltages from 50 V to 1000 VVoltage measurement up to 600 VMeasurement of overvoltage protection devices with test voltages from 50 V to 1000 VTable of common varistors can be displayedDigital display, colored backlit OLED displaySignaling of dangerous contact voltageLED for measuring point illuminationPatented fixation of the measuring tipsCompact and robust - for rough service applications and laboratory operation. ApplicationMeasuring the insulation resistance of voltage-free devices and systems, depending on the design up to 1000 VMeasurement of overvoltage devices, depending on the design up to 1000 VMearch of measurement objects for voltage-free status. 1 test device with mobile measuring tip 4 batteries (AAA) 1 case 1 short operating instructions 1 CD-ROM with operating instructions in the available languages 1 factory calibration certificate