Fluke, has introduced two insulation resistance testers offering digital insulation testing up to 10kV for testing a wide range of high voltage equipment including switchgear, motors, generators, transformers and cables. The new Fluke 1555 and redesigned Fluke 1550C Insulation Resistance Testers enable users to conduct tests over a wide range of voltages with a best-in-class 3-year warranty and CAT IV 600V safety rating. With their measurement storage and PC interface capabilities, they are the ideal tools for engineers, maintenance managers, industrial electricians, sub-station specialists and linemen using predictive and preventive maintenance programmes designed to identify potential equipment failures before they occur.