Keysight U1241AN, Руководство пользователя и сервисное руководство

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Performance Tests and Calibration 5
Keysight U1241AN User’s and Service Guide 73
Calibration Adjustments
1 Turn the rotary switch to the respective test function position, as shown in
Table 5-3 .
2 After unsecuring the multimeter, the multimeter will go into the adjustment
mode, see “Unsecuring the Multimeter for Calibration” on page 68.
3 The primary display will show the reference value of the calibration items
(Cal Item). Configure each Cal Item shown in the input reference values in
Table 5-3 .
4 Use the and arrow keys to select the calibration range (Cal Range).
5 Apply the input signal as shown in the Input Reference Value column of the
Table 5-3 . The bar graph will display the input reading. There is no bar graph
display for temperature adjustment.
T1 0 °C
Ensure that 0 °C with ambient compensation is
provided
DCmV
(T1)
100 mV 0.9 to 1.1 x full scale
Table 5-3 Valid adjustment input values (continued)
Function Range Valid Input Reference Values
CAUTION
The minimum AC current output of the Fluke 5520A calibrator is 29
µ
A.
Ensure that at least 50
µ
A is set at the calibrator source of AC
µ
A.
NOTE
Review the Test Considerations and Adjustment Considerations before
beginning the adjustment procedures.