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Voltmeter calibration

Discussion in 'Troubleshooting and Repair' started by akhilantivirus, Jan 10, 2013.

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  1. akhilantivirus

    akhilantivirus

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    Jan 10, 2013
    how to calibrate a voltmeter?
     
    Last edited by a moderator: Jan 10, 2013
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    9,902
    2,097
    Nov 17, 2011
    Connect the instrument to a voltage source of known value and adjust the meter such that it shows that value.
     
  3. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,362
    2,757
    Jan 21, 2010
    Or, connect the voltmeter to a known voltage source and document the error.

    Real calibration is more complex. You probably want to do it at a certain temperature, and you also want to take more than one data point.
     
  4. Jotto

    Jotto

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    Aug 24, 2012
    If you require certification of the meter, you will have to send it to a PMEL facility. They have the standards of weights and measurements.

    Meters are very sturdy equipment, some places are required to have the unit calibrated once a year. I have my units calibrated once a year which includes my power supplies, meter and scope.

    You could also use a zener diode that is set to a specific voltage to test your unit. Many ways to test if you think about it.
     
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