prog.book : chapter1.fm 13 Mon Feb 15 09:24:37 1999
Power Meter Remote Operation
Zeroing and Calibrating the Power Meter
HP E4418B/E4419B Programming Guide 1-13
Setting the Reference Calibration Factor
All the HP 8480 series power sensors require you to set the reference
calibration factor. The reference calibration factor can be set by:
• entering the value into the power meter using the
CALibrate[1|2]:RCFactor command.
• selecting and enabling the sensor calibration table. The reference
calibration factor is automatically set by the power meter using
the reference calibration factor stored in the sensor calibration
table. See “Using Sensor Calibration Tables”, on page 1-30 for
further information.
Examples
a) To enter a reference calibration factor of 98.7% for channel A, you
should use the following command :
CAL:RCF 98.7PCT
This overides any RCF previously set by selecting a sensor
calibration table.
b) To automatically set the reference calibration factor, you have to
use a sensor calibration table as described in “Using Sensor
Calibration Tables”, on page 1-30. To select and enable the table
use the following commands:
[SENSe[1]]|SENSe2:CORRection:CSET1:SELect <string>
[SENSe[1]]|SENSe2:CORRection:CSET1:STATe ON
When the sensor calibration table is selected the RCF from the
table overides any value previously set.
Querying the Reference Calibration Factor
To determine the current reference calibration factor, use the following
command:
CALibration[1|2]:RCFactor?
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