Using N8480 Series Power Sensors 6
Keysight N1913/1914A User’s Guide 187
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 N1913/1914A EPM 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 nine 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 191.
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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