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Calibration interval
The instrument should be calibrated on a regular interval determined by the
measurement accuracy requirements of your application.
A one-year interval is adequate for most applications.
Accuracy specifications are warranted only if calibration is performed at regular
intervals. Accuracy specifications are not warranted beyond the one-year
calibration interval.
Keysight does not recommend extending calibration intervals beyond two years
for any application.
Other recommendations for calibration
Specifications are only guaranteed within the specified period from the last
calibration. Keysight recommends that readjustment should always be performed
at whatever calibration interval you select. This will ensure that the instrument
remains within its specifications until the next calibration. This calibration criterion
provides the best long-term stability.
During performance verification tests, only the performance data is collected;
these tests do not guarantee that the instrument will remain within the specified
limits. The tests are only for identifying which functions need adjustment.
Keysight U1190A Series Service Guide
Calibration Procedures
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