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Chapter 4 Calibration Procedures
Keysight Technologies Calibration Services
Closed-Case Electronic Calibration The instrument features closed-case
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.
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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 Types of Service Available on
page 104 for information on contacting Keysight.
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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 1-year interval is adequate for most applications. Accuracy
specifications will remain valid only if adjustment is made at regular
calibration intervals. Accuracy specifications are not valid beyond the
1-year calibration interval. Keysight does not recommend extending
calibration intervals beyond 2 years for any application.
Adjustment is Recommended
Specifications are valid only within the period stated from the last
adjustment. Whatever calibration interval you select, Keysight
recommends that complete re-adjustment always be performed at the
calibration interval. This is necessary to ensure that the instrument will
remain within specification for the next calibration interval. This criteria
for re-adjustment provides the best long-term stability.
Performance data measured during Performance Verification Tests does
not mean that the instrument will remain within these limits unless the
adjustments are performed.
Use the Calibration Count feature (see page 73) to verify that all
adjustments have been performed.
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