Service Guide E8361-90001 3-7
PNA Series Microwave Network Analyzers Tests and Adjustments
E8361A About System Verification and Performance Tests
System Verification Procedure
The system verification procedure tests the network analyzer measurement system, as
defined previously, against the system specifications. If confirmation is successful, the
measurement system is capable of making measurements to the accuracy specified by the
graphs of measurement uncertainty.
An illustrated outline of the system verification procedure:
• for ANSI/NCSL Z540-1-1994 verification, is shown in Figure 3-1 on page 3-8.
• for non-ANSI/NCSL Z540-1-1994 verification, is shown in Figure 3-2 on page 3-9.
NOTE Calibration kits are different from verification kits. Calibration kits are used
to determine the systematic errors of a network analyzer measurement
system. Verification kits are used to confirm system specifications and are not
used to generate error correction.
Performance Tests
Performance tests are used to confirm analyzer performance against the instrument
specifications. If confirmation is successful, the analyzer meets the instrument
specifications.
If the calibration kit to be used for measurements is also certified, successful completion of
the performance tests also ensures that the network analyzer measurement system meets
the system specifications.
Certificate of Calibration
Agilent Technologies will issue a certificate of calibration for the product upon successful
completion of system verification or completion of the performance tests. The certificate of
calibration will include a “System Attachment” if the system verification procedure is used
to confirm the system specifications. If the performance tests are used to confirm
instrument specifications, the certificate of calibration will not include a system
attachment. The equipment and measurement standards used for the tests must be
certified and must be traceable to recognized standards.
NOTE If you have a measurement application that does not use all of the
measurement capabilities of the analyzer, you may ask your local Agilent
Technologies service office to verify only a subset of the specifications.
However, this creates the possibility of making inaccurate measurements if
you then use the analyzer in an application requiring additional capabilities.
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