Insulation Tester Used to check for voltage leaks on Hybrid car electrical wiring. . Outputs 250V, 500V and 1000V test voltages for taking very high Ohm readings.. CAT III safety rated - a requirement of the car manufacturers. . Comes with a blow molded case. Specifications: . Voltge AC: 0-750V 1V. Voltage DC: 0-1000V 1V. Resistance: 0-200, 2000 .1 Ohm. Test Voltage: 250V-200 MegOhm, 500V-200 MegOhm, 1000V-2000 MegOhm. Continuity Test: Audible Beep < 40 Ohm. This tester is used in all NAPA Hybrid training courses 550