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5
Performance Tests and Calibration
Input-A Terminal Test
This test determines if the input warning of the A current terminal test is
functioning properly. The multimeter sounds an alerting beep when the test lead
is inserted to the A input terminal but the rotary switch is not set to the
corresponding A location. The display indicates a flashing AErr annunciator until
the test lead is removed from the A input terminal. This warning alert is not
available in T1/T2 temperature measurements mode.
Input-mA Terminal Alert Test
This test determines if the detected input voltage level is within the accepted
boundaries when the μA/mA input terminal is connected. The multimeter sounds
an alerting beep when the μA/mA input terminal detects a voltage level of higher
than 1.6 V. The display indicates a flashing CErr annunciator until the test lead is
removed from the μA/mA input terminal.
The alerting beep will not be impacted even if the beep function is disabled.
NOTE
Calibration Process
1 Prior to performing the verification tests, see
2 Perform the verification tests to characterize the multimeter, see
3 Unsecure the multimeter for calibration, see
4 Prior to performing the adjustments, see
5 Perform the adjustment procedures, see
6 Secure the multimeter against unauthorized calibration, see
7 Record the new security code and calibration count in the multimeter's
66
Verification
Tests.
Adjustment
Mode. Ensure that the multimeter has quit the Adjustment Mode
and turned off.
maintenance records.
Adjustment
Calibration
Keysight U1241B and U1242B User's and Service Guide
Test
Considerations.
Calibration
Security.
Considerations.
Adjustments.
Exiting
Performance
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