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megger (Megohmmeter)

megger (Megohmmeter)click for a larger image
The megger consists of two primary elements, both of which are provided with individual magnetic fields from a common permanent magnet, a hand driven DC generator and the instrument. In the illustration, coil A tends to move the pointer clock-wise and coil B anticlock-wise. Coil A is connected in series to R3 an unknown resistance whose value is to be measured. Coil B is connected to R2 and to the generator.
The registered trade name of a high-voltage, high-range ohmmeter. It has a built-in, hand-operated generator for providing the voltage needed to measure the electrical continuity, the insulation resistance, and the resistance between a component and an electrical ground.
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Tenders are invited for Supply Of Dial Multimeter, Meggar And Tongue Tester For Shovel.
Tenders are invited for 500 V Dc Meggar Hand Operated 0-100 Mega Ohms Analog Meter Metal Body, Insulation Tester 500V, 100 M Ohms, Make:- Cie Or Similar.
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Tenders are invited for Insulation Tester Meggar Hand Driven Generator Type 2500 V, 0-5000M Ohm, With Testing Lead And Carrying Cases.
Tenders are invited for Megger Hand Operated Insulation Tester Range:- V / 200Mega Ohm As Per Is :- 2992/1987 Metal Body With Testing Leads And Testing Carrying Case, Make:- Shanti, Cie,Sakova, Meggar, Motwana.
Tenders are invited for Earth Meggar Tester Digital With Leather Case Dual 0-10 Ohm.