HP4402.book : chapter2.fm 14 Tue Apr 22 15:20:23 1997
Power Meter Operation
Making Measurements using Sensor Calibration Tables
2-14 HP EPM-441A User’s Guide
8. To confirm your choice press the appropriate frequency unit.
9. Connect the power sensor to the signal to be measured.
10. The measurement result is now displayed.
Note If the measurement frequency does not correspond directly to a
frequency in the sensor calibration table, the power meter
calculates the calibration factor using linear interpolation.
If you enter a frequency outside the frequency range defined in the
sensor calibration table, the power meter uses the highest or
lowest frequency point in the sensor calibration table to set the
calibration factor.
The value of the calibration factor being used by the power meter
to make a measurement is displayed under the softkey.
Editing Sensor Calibration Tables
You can edit sensor calibration tables using the “Edit Cal” menu as shown
in Figure 2-2.
To view the sensor calibration tables currently stored in the power meter,
press , . The “Sensr Tabs” screen is
displayed as shown in Figure 2-1.
Figure 2-2: “Edit Cal” Screen
Cal Fac
System
Inputs
Sensor Cal Tables
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