HP4402.book : chapter2.fm 17 Thu Feb 11 15:53:59 1999
Power Meter Operation
Making Measurements with the HP 8480 Series Power Sensors
HP E4418B User’s Guide 2-17
Making Measurements with the HP 8480 Series
Power Sensors
This section applies to all HP 8480 series power sensors. It does not apply
to the HP E-series power sensors.
For the HP 8480 series power sensors there are two methods of providing
correction data to the power meter:
A inputting the individual calibration factor for a frequency prior to
making the measurement, or
B using sensor calibration tables.
This section describes how to make measurements without using sensor
calibration tables, that is, inputting the individual calibration factor for a
frequency prior to making the measurement. This method is
advantageous if you are only measuring at one frequency, as entering all
the calibration data in this instance is not required.
To make measurements without sensor calibration tables perform the
following steps:
1. Zero and calibrate the power meter. Before carrying out the
calibration you must set the reference calibration factor of the
power sensor.
2. Set the calibration factor value for the frequency of the signal you
want to measure.
3. Take a reading.
Procedure
The following procedure details how to make a measurement on
channel A.
1. Ensure that no power is applied to the power sensor.
2. Press .
3. Press . During zeroing, which takes approximately 10
seconds, the wait symbol is displayed.
4. Connect the power sensor to the POWER REF output.
5. The current setting of the reference calibration factor is displayed
under the softkey. To change this setting press .
The power meter displays the reference calibration factor in a pop
Zero
Cal
Zero
Ref CF Ref CF
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