Digital Insulation Tester FeaturesINSULATION VOLTAGE:50V,100V,250V,500V,1000VINSULATION RESISTANCE 0.01MΩ~10GΩAUTO CACULATE PI AND DARSTORE/LOAD FUNCTIONCOMPARE FUNCTIONLIVE VOLTAGE ... DETECTAUTO DISCHARGE FOR CAPACITIVE LOADTIMER FUNCTION FOR INSULATION TESTDCV AND ACV TESTCONTINUITY TESTAUTO POWER-OFFBATTERY CHECKSpecifications FUNCTION RANGEACCURACYINSULATIONOUTPUT VOLTAGE ...