PMMC Tag

Why isn’t AC used for PMMC?

July 16, 2025 | Instrumentation Measurement | Joaquimma Anna

Definition of PMMC Instruments Permanent Magnet Moving Coil (PMMC) instruments are precision electrical measuring devices that operate by utilizing the interaction between a steady electric current and a permanent magnetic field. These instruments are widely valued for their accuracy and reliability in measuring electrical quantities such as current and voltage. Permanent Magnet: Provides a constant […]

Why does pmmc instruments are used for DC only?

June 20, 2025 | Instrumentation Measurement | Joaquimma Anna

Definition of PMMC Instruments Precision Magnetic Measuring Current (PMMC) instruments are specialized devices designed to measure electric current with high accuracy. They are predominantly used in electrical engineering and physics due to their reliable performance in quantifying direct current (DC). These instruments operate based on the interaction between magnetic fields and electric currents, providing precise […]