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AC Microampere Check
DC Milliampere Check
AC Milliampere Check
Handheld Instruments Basic Service
Perform the following steps to verify the AC microampere measurement
accuracy.
1. Set the multimeter dial to mA .
2. Push the DC/AC button to select AC mode.
3. Connect the calibrator outputs to the multimeter mAmA and COM input
connectors.
4. Set the calibrator to each of the values in the AC milliampere test record and
verify that the multimeter reads within the specified Display minimum and
maximum limits.
5. Turn the calibrator output off.
6. Disconnect the calibrator from the multimeter.
Perform the following steps to verify the DC milliampere measurement accuracy.
1. Set the multimeter dial to mA .
2. Connect the calibrator outputs to the multimeter mAmA and COM input
connectors.
3. Set the calibrator to each of the values in the DC milliampere test record and
verify that the multimeter reads within the specified Display minimum and
maximum limits.
4. Turn the calibrator output off.
5. Disconnect the calibrator from the multimeter.
Perform the following steps to verify the AC milliampere measurement accuracy.
1. Set the multimeter dial to mA .
2. Push the DC/AC button to select AC mode.
3. Connect the calibrator outputs to the multimeter mAmA and COM input
connectors.
4. Set the calibrator to each of the values in the AC milliampere test record and
verify that the multimeter reads within the specified Display minimum and
maximum limits.
5. Turn the calibrator output off.
6. Disconnect the calibrator from the multimeter.
DMM249 Performance Verification
13
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