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Answer Posted / deepak kumar
megger is generally used for measuring the high resistance,hence it reffer as the megger mens it can measure the 500 mega ohms.it is used for testing the o.c and s.c test.it is combination of generator and direct ohmmeter.the speed of the megger is kept at 160 r.p.m.there are three range of megger.
1-300 v
2-750 v
3-1000 v
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