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Adjustment Considerations
To adjust the instrument, you will need a test input cables and connectors set for
receiving the reference signals (for example, from the Fluke 5520A calibrator or
Keysight 33250A function/arbitrary waveform generator) and a shorting plug.
After each successful adjustment, the secondary display briefly shows "PASS". If
NOTE
the calibration fails, the instrument emits a beep, and an error code is shown
momentarily on the secondary display. For a list of calibration error codes, refer
to
correct the problem and repeat the procedure.
Adjustments 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 calibration
CAUTION
memory for the present function.
Keysight U1253B User's and Service Guide
"Calibration error codes"
the adjustments.
Replace/recharge 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.
Performance Tests and Calibration
on page 201. In the event of a calibration failure,
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