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What is PMMC Instrument Overview and Q Meter about?

PMMC instruments consist of a moving coil wound with copper wire, mounted on an aluminum former and pivoted on jeweled bearings, operating in a magnetic field. They offer advantages such as low power consumption and high accuracy but are limited to DC measurements and are more expensive than moving iron instruments. The Q meter measures the quality factor of electrical circuits at radio frequencies, relying on the resonance condition between inductance and capacitance.

Author

vino vijay028

Language

EN