Electrical Instruments

Moving Iron Instruments

Permanent Magnet Moving Coil (PMMC) Instruments

Difference Between Ammeter and Voltmeter

Wattmeter

Dynamometer Type Wattmeter

Single Phase Induction Type Energy Meter

Megger

Mechanical Resonance or Vibrating Reed Type Frequency Meter

Electrical Resonance Frequency Meter

Dynamometer Type Single-Phase Power Factor Meter

Dynamometer Type Three-Phase Power Factor Meter

Synchroscope

Instrument Transformers

Difference Between Current Transformer (CT) and Potential Transformer (PT)

Electrical Transducers

Linear Variable Differential Transformer (LVDT)

Piezoelectric Transducers

Thermistors