Insulation measuring device. The test device enables measurements of insulation resistance with test voltages between 50 V and 1000 V in accordance with VDE 0413-1,-2 (EN 61557-1,-2). The measuring range extends from 100 kO to 10 GO. . 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 model up to 1000 VMeasuring overvoltage devices, depending on the model up to 1000 VChecking that the test objects are voltage-free. 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