Transcription of Biddle MJ Series - BiddleMegger.com
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Major MEGGER Insulation TestersMJ159 (212159), MJ160 (212160), MJ359 (212359), MJ459 (212459), MJ559 (212559)User GuideMEGGER Contents2 Safety Warnings3 General Description4 OperationTesting precautions5 Preliminary checks5 Battery condition check (MJ459andMJ559)5 Battery replacement (MJ459)5 Battery Charging (MJ559)5 performance checks6 Voltage measurement6 Resistance Measurement6 Insulation testing7 Using the Guard terminal7 Fuse Checking and Replacement8 Specification9 Accessories12 Application NotesPreventive maintenance13 Insulation Testing Concepts14 Repair and Warranty15 Safety 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
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