voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit.

  1. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit , aslo measureing AC & DC type
  2. Digital voltmeters give a numerical display of voltage by use of an analog to didgital converter ,aslo measureing AC & DC type

MAS produces two brands as following : 

  1. Hobut for analog meters
  2. Entes for digital meters 
  3. Lumel for both analog& digital