Single Phase Induction Type Energy Meter
Single Phase Induction Type Energy Meter

Single Phase Induction Type Energy Meter Single phase energy meter are used for measurement for electrical energy in AC circuit. Energy meter is an integrating instrument which measures the total quantity…

frequency meter
Electrical Resonance Type Frequency Meter

Frequency Meter A frequency meter is a device used to measure the frequency of an electrical signal, which can be an alternating current (AC) power supply, radio waves or any…

Hot Wire Instrument
Hot Wire Instrument | Construction & Working

Hot Wire Instrument The instruments which use the heating of the current for knowing their magnitude such type of instrument is known as the hot wire instrument. It work on…

PMMC Instrument Construction & Working Advantages & Disadvantages
PMMC Instrument | Construction & Working | Advantages & Disadvantages

PMMC A permanent magnet moving coil instrument can measure DC voltage & current. The working principle of these instrument is the same as that of the D' Arsonval type of…