58 34410A/11A/L4411A Service Guide
3 Calibration Procedures
Agilent Technologies Calibration Services
Agilent Technologies offers calibration services at competitive prices. When
your instrument is due for calibration, contact your local Agilent Service
Center for recalibration. See “Types of Service Available” on page 105 for
information on contacting Agilent.
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. Agilent does not recommend extending
calibration intervals beyond 2 years for any application.
Adjustment is Recommended
Specifications are only valid within the period stated from the last
adjustment. Whatever calibration interval you select, Agilent 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 77) to verify that all adjustments
have been performed.
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