Megger is the manufacturer of insulation resistance tester, megger mit510/2 now available as cat iv. Insulation resistance tester is designed specifically to assist with the testing and maintenance of high voltage electrical equipment. The case is incredibly rugged and easy to carry. The product is being made of tough polypropylene and achieves an ingress protection rating of ip65. The instrument has a large easy to read backlit lcd display making it equally suitable for use in both bright sunlight and poorly lit environments. The instrument includes resistance, voltage, leakage current, capacitance, battery status and time constant. In addition, the elapsed time of the test is displayed constantly removing the need for separate timer. The unique features of insulation resistance tester are