Calibration Procedures 6
Calibration Overview
U3606A User’s and Service Guide 173
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. This criteria for
re- adjustment provides the best long- term stability.
Adjustment is recommended
Specifications are only valid within the period stated from the last
adjustment. Whatever calibration interval you select, Agilent recommends
that a complete re- adjustment is always performed at the calibration
interval. This is necessary to ensure that the instrument will remain
within the specification for the next calibration interval. This criteria for
re- adjustment provides the best long- term stability.
Performance data measured during performance verification tests (see
Chapter 5, “Verification and Performance Tests,” starting on page 135)
does not mean that the instrument will remain within these limits unless
the adjustments are performed.
Use the calibration count feature (see “Calibration Count” on page 182) to
verify that all adjustments have been performed.
Time required for calibration
The instrument can be automatically calibrated under computer control.
With computer control you can perform the complete calibration
procedure and performance verification tests once the instrument is
warmed- up (see “Test Considerations” on page 140).
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