Insulation Tester with Liquid Crystal Display operates on a power supply rate of 500 V, 1000 V, 2500 V and 5000 V, 10000 V and 15000 V. The Insulation Tester is fitted with RS 232 interface port and runs using rechargeable Ni-Cd batteries. The Insulation Tester is available with liquid crystal display that supports numerals, text and bar-graph. Insulation Tester with Liquid Crystal Display can function in a temperature ranging from -10 to +40 Degree C.