The Megger MIT510/2 insulation resistance tester is designed specifically to assist the user with the testing and maintenance of high voltage equipment. The instrument has a maximum reading of 5-kV and is designed in a user-friendly landscape style.
The MIT510/2 measures to 15 TΩ, replacing the ambiguous "infinity" reading with an actual number that can be used for predictive/preventive trending on the highest quality insulation. The unit is supplied with test leads with medium insulated clips. The MIT510/2 has the facility to set the test voltage in steps from 250 V to 5000 V.
The Megger MIT510/2 insulation resistance tester has a large, easy-to-read back-lit LCD making them equally suitable for use in both bright sunlight and poorly lit environments. Information displayed includes resistance, voltage, leakage current, capacitance, battery status and time constant. In addition, the elapsed time is displayed constantly, removing the need for separate timers.
A built-in integral timer starts automatically at the beginning of a test, and displays in minutes and seconds. At the end of any test, capacitive loads are automatically discharged and the decaying voltage displayed. The timer enables the performance of an automatic IR test. The controls of the instruments are clear and unambiguous, and a "quick start" guide is included in the lid, eliminating the need to carry manuals to site locations.
Redundant safety features make the instrument fully amenable to safe operation in the more demanding high voltage environment. The CAT IV 600 V safety rating means that the instrument is protected for use on outside applications and protected against impulses to 8 kV. Instrument design is in conformance with EN61010 for arc-flash protection. If the instrument is accidentally connected to a live test item, external voltage will be automatically displayed and testing inhibited above 50 V. At the conclusion of a test,dangerous static voltage on the test item is automatically discharged and monitored on the display. The MIT510/2 is fitted with a guard terminal to enhance accuracy. The guard test lead is included as standard with the instrument.
The MIT510/2 is designed for testing the insulation of high-voltage electric equipment. The wide voltage range also allows applications for low-voltage equipment. Generators, motors, transformers, cables and switchgear all require effective maintenance. The test techniques on the instruments provide valuable diagnostic information.
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