HP4402.book : chapter2.fm 18 Thu Feb 11 15:53:59 1999
Power Meter Operation
Making Measurements with the HP 8480 Series Power Sensors
2-18 HP E4418B User’s Guide
up window. Modify this reference calibration factor (see below) as
desired.
■ Use or to modify the digit on which the cursor is
currently positioned.
■ Use or to move to other digits.
6. To confirm your choice press .
7. Press to calibrate the power meter. During calibration the
wait symbol is displayed. (The power meter automatically turns
on the POWER REF output.)
8. Press . The current setting of the calibration factor is
displayed under the softkey. To change this setting
press . The power meter displays the calibration factor
in a pop up window. Modify this calibration factor (see below) as
desired.
■ Use or to modify the digit on which the cursor is
currently positioned.
■ Use or to move to other digits.
9. To confirm your choice press .
10. Connect the power sensor to the signal to be measured.
11. The measurement result is now displayed.
Example
To make a measurement on channel A with a power sensor which has a
reference calibration factor of 99.8% and a calibration factor of 97.8% at
the measurement frequency.
• Disconnect the power sensor from any source.
• Press .
• Press .
• Press . Use the , , and hardkeys to
enter 99.8. Press .
• Connect the power sensor to the POWER REF output.
• Press .
• Press , . Use the , , and
hardkeys to enter 97.8. Press .
• Connect the power sensor to the signal to be measured.
• The measurement result is now displayed.
%
Cal
Frequency
Cal Fac
Cal Fac
Cal Fac
%
Zero
Cal
Zero
Ref CF
%
Cal
Frequency
Cal Fac
Cal Fac
%
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