5 Performance Tests and Calibration
60 Keysight U1241B and U1242B User’s and Service Guide
Calibration Overview
Closed-case Electronic Calibration
The multimeter features closed-case electronic calibration. No internal
mechanical adjustments are required. The multimeter calculates correction
factors based upon the input reference value you set. The new correction factors
are stored in non-volatile memory until the next calibration adjustment is
performed. Non-volatile EEPROM calibration memory does not change when
power has been off.
Calibration Interval
A 1-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 1-year calibration interval. Keysight
does not recommend extending calibration intervals beyond 2 years for any
application.
Ensure that you have read Test Considerations before calibrating the multimeter.
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