Automatic Diagnostic Insulation Tester is used for resistance to all types of electrical equipments with programmable test voltage of 250V-5000V DC. The Insulation Tester ensures consistence operations and can store the readings in the memory that can be downloaded to PC. The Insulation Tester comes with a built in memory to store up to 1000 test result. Automatic Diagnostic Insulation Tester has a compact design that can be operated both on mains and on battery.