A digital multimeter (DMM) is used as a voltmeter to measure the potential diffe...
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A digital multimeter (DMM) is used as a voltmeter to measure the potential difference of between two terminals of a device under test (DUT). The measurement is performed at a location with a temperature of .
The dc voltmeter has a display of 3.75 digits and operates within voltage ranges of 400 mV, 4 V, and 40 V. The remaining specifications are shown below.
| dc voltmeter | accuracy | temperature |
|---|---|---|
| reading + digits | ||
| reading/°C | to | |
| to |
Determine the absolute value of the reading uncertainty.
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