8 Using N8480 Series Power Sensors
242 Keysight N1911A/1912A User’s Guide
Sensor calibration tables
This section describes how to use sensor calibration tables. Sensor calibration
tables store the measurement calibration factors, for a power sensor model or for
a specific power sensor, in the power meter. They are used to correct
measurement results.
Use sensor calibration tables when you want to make power measurements over a
range of frequencies using one or more power sensors.
The P-Series power meters are capable of storing 20 sensor calibration tables
each containing up to 80 frequency points. The power meter is supplied with a set
of 9 predefined sensor calibration tables plus a “100%” default table. The data in
these tables is based on statistical averages for a range of Keysight Technologies
power sensors. Your own sensor will most likely differ from the typical to some
degree. If you require best accuracy, create a custom table for each sensor you
use as shown in“Editing/Generating sensor calibration tables” on page 246.
To use calibration factor tables:
1 Select the sensor calibration table to be applied to a channel.
2 Zero and calibrate the power meter. The reference calibration factor used
during the calibration is automatically set by the power meter from the sensor
calibration table.
3 Specify the frequency of the signal you want to measure. The calibration factor
is automatically set by the power meter from the sensor calibration table.
4 Make the measurement.
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