5 Using 8480 Series Power Sensors
132 N1913/1914A EPM Series Power Meters User’s Guide
Frequency Specific Calibration Factors
This section shows you how to make a measurement using the calibration
factor for the frequency of the signal you want to measure.
Tip This method is best suited to making several measurements at one
frequency as you need only enter a small amount of data.
Using this method requires the following steps:
1 Zero and calibrate the power meter/sensor combination.
2 Set the calibration factor value for the frequency of the signal you
want to measure.
3 Make the measurement.
Procedure
First, select and enter the reference calibration factor for the desired
sensor as follows:
1 Ensure the power sensor is disconnected from any signal source.
2 Refer to the connection requirements in Table 5- 1 and ensure the
sensor is ready for connection to the Power Reference.
3 Check the current reference calibration factor setting by pressing
,
, and . The value is displayed under the channel
softkey.
4 To change the settings, press the channel . The reference
calibration factor pop up window is displayed as shown in Figure 5- 3.
Use the numeric keypad to enter the required value in the Ref Cal Factor
pop- up menu.
Does this setting match the value for the sensor? (The power sensor reference calibration
factor can normally be found above the calibration factors table on the power sensor body.)
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