High Voltage Insulation Testers Suitable for insulation resistance testing of cable, motor, generator, transformer, mutual inductor, high voltage switch, arrester and other large equipment. Insulation Resistance Range：0.5MΩ～10TΩ Max Short Circuit Current 5mA Polarization Index Test（PI）Dielectric Absorption Ratio Test（DAR） High voltage insulation resistance tester Rated Voltage：250v~10Kv（6 gears） Step Test Mode(STEP) Ramp Test Mode (RAMP) Custom Setting Output Voltage Custom Setting Test Time 10s~60min HV Insulation Testers Output Shout Circuit Current：≥5mA Voltage monitor function, Test timer function , Automatic discharge function Large Capacity Rechargeable Lithium Battery USB Communication Bluetooth Communication High-voltage insulation tester Insulation resistance measurement (IR); polarization index measurement (PI); absorption ratio (DAR);Ramp Test Mode (RAMP); filtered resistance test (FR); Voltage measurement(V); capacity measurement（uF）; current measurement（nA） Color Grey Model VTSYIQI20250303154987667778VTSYIQI Brand Name VTSYIQI Style Name VTSYIQI20250303154987667778VTSYIQI Manufacturer VTSYIQI20250303154987667778VTSYIQI Power Source Battery Powered Item Dimensions 15.75 x 5.91 x 7.87 inches Included Components 1