Biddle MJ Series - BiddleMegger.com

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Major MEGGER Insulation TestersMJ159 (212159), MJ160 (212160), MJ359 (212359), MJ459 (212459), MJ559 (212559)User GuideMEGGER Contents2Safety Warnings3General Description4OperationTesting precautions5Preliminary checks5Battery condition check (MJ459andMJ559)5Battery replacement (MJ459)5Battery Charging (MJ559)5Performance checks6Voltage measurement6 Resistance Measurement6Insulation testing7Using the Guard terminal7Fuse Checking and Replacement8Specification9Accessories12A pplication NotesPreventive maintenance13Insulation Testing Concepts14Repair and Warranty15Safety Warnings Safety Warningsand Testing Precautionsmust be read and understood before the instrument is used. They must be observed during use. The circuit under testmust be switched off, de-energised and isolated before any test connections are made. Test leads, probes and crocodile clips mustbe in good order, clean and with no broken or cracked insulation.

Operation 6 Performance Checks The instrument will operate in any position, but the specified accuracies assume that the instrument is face up, on a firm

  Performance