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Closed-Case Electronic Calibration The function generator features
closed-case electronic calibration since no internal mechanical
adjustments are required for normal calibration. The function generator
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 memory does not
change when power has been off or after a remote interface reset).
Agilent Calibration Services
When your function generator is due for calibration, contact your local
Agilent Service Center for a low-cost recalibration. The 33120A Function
Generator is supported on automated calibration systems which allow
Agilent to provide this service at competitive prices. Calibrations to
MIL-STD-45662 are also available at competitive prices.
Calibration Interval
The function generator should be calibrated on a regular interval
determined by the measurement accuracy requirements of your
application. A 1- or 2-year interval is adequate for most applications.
Agilent does not recommend extending calibration intervals beyond
two years for any application.
Whatever calibration interval you select, Agilent recommends that complete
re-adjustment should always be performed at the calibration interval.
This will increase your confidence that the 33120A will remain within
specification for the next calibration interval. This criteria for re-adjustment
provides the best long-term stability. Performance data measured using this
method can be used to extend future calibration intervals.
Time Required for Calibration
The 33120A can be automatically calibrated under computer control.
With computer control you can perform the complete calibration
procedure and performance verification tests in less than 15 minutes.
Manual calibrations using the recommended test equipment will take
approximately 45 minutes.
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Chapter 4 Calibration Procedures
Agilent Calibration Services
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