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What is Voltmeter ?

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Electrical Engineer
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China


What is Voltmeter ?


Voltmeter Definition


A voltmeter is defined as an instrument that measures the voltage between two points in an electrical circuit.



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Working Principle of Voltmeter


Voltmeters work by connecting in parallel to the circuit, using high resistance to measure voltage without significantly altering the circuit.



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Types of Voltmeters


  • Parmanent Magnet Moving coil (PMMC) Voltmeter.



  • Moving Iron (MI) Voltmeter.



  • Electro Dynamometer Type Voltmeter.



  • Rectifier Type Voltmeter



  • Induction Type Voltmeter.



  • Electrostatic Type Voltmeter.


  • Digital Voltmeter (DVM).


 

 

 

PMMC Voltmeter


Uses a permanent magnet and moving coil to measure DC voltage with high accuracy and low power consumption.


 

Digital Voltmeter (DVM)


Measures voltage digitally, providing accurate, fast readings and eliminating parallax error.


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