4 Performance Test
76 Keysight U3402A User’s and Service Guide
Calibration Overview
Keysight Technologies Calibration Services
When your instrument is due for calibration, contact your local Keysight Service
Center. The U3402A is supported on automated calibration systems at Keysight
service centres only.
Calibration Interval
A one-year interval is adequate for most applications. Accuracy specifications are
warranted only if adjustment is made at regular calibration 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. When an adjustment is required, contact your local Keysight
Service Center.
Make sure you have read “Test Considerations” on page 78 before calibrating the
multimeter.
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