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Calibration Factors
What to Do
The calibration data for the Sensor Module you are using must be entered
into the HP 8902A before it can make calibrated RF Power measurements.
To determine the appropriate action to take, find the description below
that best describes your circumstances and take the action recommended.
Descriptions
New HP 8902A
(Option 021, E02, or
€04) or HP 89028
No Cal Factors
Entered (Error 15)
Sensor or Cal
Factors Changed
Not Certain if Correct
Cal Factors Entered
Microwave
Sensor Module
If your HP 8902A and Sensor Module were ordered together as an Option
021, E02, E04, or as part of a system, the calibration factors for the
Sensor Module have already been entered into the HP 8902A. (You can
return to
Chapter
2
to begin making measurements with the HP 8902A.)
If the HP 8902A displays Error 15 when you press the RF Power key,
no cal factors have been entered. Perform the Entry
Procedure
now.
If you are changing sensor modules or if the cal factors for your Sensor
Module have changed (due to repair or calibration), perform the Entry
Procedure
to enter the new cal factors.
If you are not certain that the cal factors in the HP 8902A match the cal
factors of the Sensor Module you are using, perform the
Verification
Procedure
provided in this section. If the cal factors in the instrument do not
match those listed on the label of your Sensor Module, perform the Entry
Procedure.
If you are entering calibration data for a microwave Sensor Module,
such as the HP 11792A, key in 27.1 SPCL to enter the Frequency Offset
Mode and then perform the Entry
Procedure.
(When you get to step 7,
enter the calibration data directly from the Sensor Module's label.)
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