A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit.
- Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit , aslo measureing AC & DC type
- 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 :
- Hobut for analog meters
- Entes for digital meters
- Lumel for both analog& digital