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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 Insulation Tester Meggar Hand Driven Generator Type Rated Voltage - 1000 V, Rated Resistance - 0 - 1000 M Ohm.
In general, the following tasks are the minimum the City anticipates for each repair: Pickup Disassemble, inspect Diagnosis Clean and sandblast parts Machine work Replace seals Replace bearings Replace O-rings Meggar the windings Meggar the cord Check thermal overloads Inspect the impeller Inspect the wear ring Refill with oil Paint Furnish all parts and labor Re-assemble and test Deliver 3.
Tenders are invited for Meggar 500 V Hand Operated Metal Body Cable Insulation Tester Suitable For Measuring Up To 100 Mega Ohms Make Meco Motwani Nippon
Tenders are invited for Meggar 100V 50M Ohms Hand Driven Type Metal Body With Handle Make Fluke Nippon Motwani Rishabh
Tenders are invited for Analog Meggar,500 Volts,Range Upto 1000 Mega Ohms.
Tenders are invited for Hand Operated Metal Body Meggar Or Insulation Tester 500V/2000 Ohm With Leather Carrying Case And Leads Continuity Range 100 Ohm.