15
Power Meter Mode
Power Meter measurements are made using a Keysight
USB Power Sensor.
For a complete list of supported Keysight USB Power
Sensors, visit:
www.keysight.com/find/usbsensorsforfieldfox
Damage levels vary for each power sensor. For details,
refer to the Data Sheet for your model power sensor.
Use an Attenuator between the DUT and the power
sensor when measuring power levels that are higher than
+20 dBm. The attenuator value can be subtracted from
the measurement using Offset as follows:
Select Offset
-
Press
Mode
then
Power Meter
-
Press
Scale / Amptd
then
Offset On Off
-
Then
Offset Val
Enter a value by which the power
meter display is offset. A positive value
compensates for a component with loss, such as an
attenuator.
Zeroing
The Keysight USB Power Sensors perform internal
zeroing automatically. Internal zeroing does NOT require
that the power source be turned OFF.
Perform external zeroing when measuring power levels
below -30 dBm. During external zeroing, the power
source MUST either be turned OFF or the power sensor
be disconnected from the DUT.
-
Press
Cal 5
then see the FieldFox User’s Guide.
-
Then
External Zero
