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6
Performance Tests and Calibration
Adjustment Considerations
To adjust the instrument, you will need a test input cable, connectors set, and a
shorting plug (see
After each adjustment, the secondary display briefly shows "PASS". If the
NOTE
calibration fails, the clamp meter sounds a beep, and an error number is shown
in the secondary display. Calibration error messages are described in
Codes"
and repeat the procedure.
Adjustment for each function should be performed with the following
considerations (where applicable):
1 Allow the instrument to warm up and stabilize for 5 minutes before performing
2 Ensure that during the adjustment, the low-battery indicator does not appear.
3 Consider thermal effects as you connect test leads to the calibrator and this
4 During ambient temperature adjustment, ensure that the instrument has been
Never turn off the instrument during calibration. This may delete the
CAUTION
calibration memory for the present function.
100
"Input connections"
on page 115. In the event of a calibration failure, correct the problem
the adjustments.
Replace the battery as soon as possible to avoid false reading.
instrument. It is recommended that you wait for 1 minute after connecting the
test leads before you begin the calibration.
turned on for at least 1 hour with the K-type thermocouple connected between
the instrument and the calibration source.
Keysight U1211A, U1212A, and U1213A User's and Service Guide
on page 88).
"Error
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