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3
Calibration Procedures
Calibration Procedures
This manual contains procedures for verification of the instrument's performance
and adjustment (calibration).
Closed-Case Electronic Calibration
electronic calibration. No internal mechanical adjustments are required. The
instrument 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 or after a remote interface reset.
Keysight Technologies Calibration Services
Keysight Technologies offers calibration services at competitive prices.
When your instrument is due for calibration, contact your local Keysight Service
Center for recalibration. See
information on contacting Keysight.
Calibration Interval
The instrument should be calibrated on a regular interval determined by the
measurement accuracy requirements of your application.
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.
Adjustment is Recommended
Specifications are only guaranteed within the period stated from the last
adjustment. Whatever calibration interval you select, Keysight recommends that
complete re-adjustment should always be performed at the calibration interval.
This will assure that the 34980A will remain within specification for the next
calibration interval. This criteria for re-adjustment provides the best long-term
stability.
38
The instrument features closed-case
"Types of Service Available"
on page 30 for
Keysight 34980A Service Guide
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