7
Performance Tests and Calibration
148
Keysight U1401B User’s and Service Guide
Adjustment Considerations
To adjust (calibrate) the instrument, you will need a set of test input cables and
connectors for receiving the reference signals. You will also need a shorting plug.
Adjustments for each function should be performed with the following
considerations (where applicable):
– Allow the instrument to warm up and stabilize for five minutes before
performing the adjustments.
– Make sure that the batteries will not run low during the adjustments. Replace
or recharge the batteries before making adjustments to avoid false reading.
– Consider the thermal effects as you connect the test leads between the
calibrator and this instrument. It is recommended that you wait for one minute
after connecting the test leads before you begin the calibration.
– During ambient temperature adjustment, ensure that the instrument has been
turned on for at least one hour with a K-type thermocouple connected
between the instrument and the calibration source.
CAUTION
Do not turn off the instrument during calibration. This may delete the
calibration memory for the present function.
Содержание U1401B
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