[Versatile Functionality] Can be used for ac/dc voltage measurement, continuity testing, and more, increasing usability.[Test The Insulation with 50v-1000v Voltage] Provides accurate readings for various voltage levels, ensuring proper insulation.[Check The Insulation of High Voltage Electrical Equipment] Ensure the safety and efficiency of motors, , and cables.[Automatic Calculation of Pi and Dar] Conveniently measures polarization index and dielectric absorption ratio for comprehensive assessments.[Enhanced Display and Auto Power off] Features backlight display for easy reading and auto power-off for energy efficiency and convenience.Spec:Features: 1. Test the insulation 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 Parameter Output Voltage Measuring Range CharacteristicsAuto Calculate PI and DARData Storage / LoadingData Comparision Auto Discharge for Capacitive LoadTimer Function for Insulation TestLock Function For Insulation TestLow Battery Indication DC / AC Voltage TestContinuity TestAuto Power OffDigital and Analog DisplayGeneral Parameter Brand PEAKMETER Model MS5203Power Supply 6 x 1.5V AA Batteries (NOT included)Item Size 19*15*7cm / 7.48*5.91*2.76inWeight Approx. 1977g Safety Rating CE CAT.III 1000V CAT IV 600V RoHSPackage Includes: 1 x MS5203 Digital Insulation Tester 1 x User Manual 2 x Clips 2 x Test Leads 1 x Hand Bag 1 x Sling