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 with the MIT510/2, while the MIT520/2 and MIT1020/2 add the capability of preprogrammed DAR, PI, SV and DD. The MIT520/2 and MIT1020/2 include a selectable breakdown or burn mode and an alarm mode, which allows the operator to preset a specific resistance level. The unit will beep until the limit is exceeded. 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 instruments.
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