Features:1. Test the insulation resistance with 50V-1000V voltage.2. Automatic calculation of PI (polarization index) and DAR(dielectric absorption ratio).3. With backlight display and auto power off.4. Check the insulation of high voltage electrical equipment such as motor,transformer, cable, etc.5. Can also be used to AC/DC voltage measurement and continuity test.Specification:Technical ParameterOutput VoltageMeasuring RangeInsulation Test50V(0%~+20%)0.01M~50M(3%+5)100V(0%~+20%)0.01M~100M(3%+5)250V(0%~+20%)0.01M~250M(3%+5)500V(0%~+20%)0.01M~500M(3%+5)1.00G~5.00G(5%+0.1G)1000V(0%~+20%)5.00G~10.00G(10%+0.2G)Short Circuit Current1.8mAMultimeter FunctionsDC Voltage Test0.1~1000V0.5%AC Voltage Test0.1~50V1%Continuity Test0.01~2000.5%CharacteristicsAuto Calculate PI and DARData Storage / LoadingData ComparisionAuto Discharge for Capacitive LoadTimer Function for Insulation TestLock Function For Insulation TestLow Battery IndicationDC / AC Voltage TestContinuity TestAuto Power OffDigital and Analog DisplayGeneral ParameterBrand PEAKMETERModelMS5203Power Supply6 x 1.5VAA Batteries (NOT included)Item Size19*15*7cm/ 7.48*5.91*2.76inWeightApprox. 1977gSafety RatingCECAT.III1000VCATIV600VRoHSPackage Includes:1 x MS5203Digital Insulation Tester1 x User Manual2 x Alligator Clips2 x Test Leads1 x Hand Bag1 x Sling.