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NI PXI-5422 Calibration Procedure 10 ni.com
Optional Calibration
You can choose to skip the adjustment steps of the calibration procedure
if the output error is within the calibration test limits or the published
specifications during the first verification. If all of the output errors
determined during the first verification fall within the calibration test
limits, the device is guaranteed to meet or exceed its published
specifications for a full calibration interval. In this case, you can update
the calibration date, effectively resetting the calibration interval, without
actually performing an adjustment. Refer to the Adjusting the NI PXI-5422
section for more information.
If all of the output errors determined during the first verification fall within
the published specifications, but not within the calibration test limits,
adjustment is also optional. However, you cannot update the calibration
date because the device will not necessarily operate within the published
specifications for an additional two years.
Note Regardless of the results of the first verification, if you choose to perform an
adjustment you must verify that the output error falls within the calibration test limits
at the end of the calibration procedure.
Figure 2 shows the programming flow for the optional calibration.