单词	megger
释义	Megger Megger (ˈmɛɡə) n (Electrical Engineering) trademark an instrument that generates a high voltage in order to test the resistance of insulation, etc megger megger (Megohmmeter) 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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