Basic Electric meters

PRINCIPLE BEHIND ANY ELECTRIC MEASURING DEVICE

ANY ELECTRIC MEASURING DEVICE MAKES USE OF 

ANY OF THESE PHENOMENON ASSOCIATED WITH 

ELECTRICITY

•1.MAGNETIC EFFECT OF ELECTRICITY

•2.HEATING EFFECT OF ELECTRICITY

•3.ELECTROMAGNETIC EFFECT

•4.ELECTRODYNAMIC EFFECT

•5.CHEMICAL EFFECT

•6.ELECTROSTATIC EFFECT

CLASSIFICATION OF ELECTRIC 

INSTRUMENTS

  

ELECTRIC INSTRUMENTS

•SECONDARY INSTRUMENTS

    •INDICATING INSTRUMENTS

    •RECORDING INSTRUMENTS

    •INTEGRATING INSTRUMENTS

•ABSOLUTE INSTRUMENTS