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Impedance
Measurement 1m
Adjustment
Impedance
Measurement 2m
Adjustment
Impedance
Measurement 4m
Adjustment
Rewrite EEPROM
Note
Make sure that the correct line frequency (50 or 60Hz) has been selected in the
\UUT: 4263B" window preceding the Main Menu. This selection will improve
the adjustment data accuracy.
Note
Because the Impedance Measurement 0m Adjustment serves the reference
data for the other Impedance Measurement Adjustments, it must have been
performed prior to the 1m, 2m, and 4m adjustments.
Note
Although performing some of the Impedance Measurement Adjustments may
satisfy the user's requirement (e.g. for users using the 4m test leads only for
the application), it is strongly recommended to perform all the Impedance
Measurement Adjustments. If only one of the 1m, 2m, and 4m adjustments
is performed after the 0m adjustment, the data for the remaining Impedance
Measurement Adjustments are invalid. For example, if only the 4m adjustment
is performed after the 0m adjustment, the measurement accuracy for the 1m
and 2m may be out of the speci cation.
2-4
Adjustments
obtains the data to adjust the actual measurement impedance to the
standards' value, when the 1m test leads are used. This adjustment
should be performed if the performance test, Impedance Measurement
Accuracy Test, fails. Perform the Impedance Measurement 0m
Adjustment prior to this adjustment.
obtains the data to adjust the actual measurement impedance to the
standards' value, when the 2m test leads are used. This adjustment
should be performed if the performance test, Impedance Measurement
Accuracy Test, fails. Perform the Impedance Measurement 0m
Adjustment prior to this adjustment.
obtains the data to adjust the actual measurement impedance to the
standards' value, when the 4m test leads are used. This adjustment
should be performed if the performance test, Impedance Measurement
Accuracy Test, fails. Perform the Impedance Measurement 0m
Adjustment prior to this adjustment.
writes the adjustment data, which is stored in the unit-serial-number
dependent le, to the EEPROM. Only the adjustment data of previously
adjusted item(s) will be written.
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