R&S FSH Power Meter
Using a Directional Power Sensor
Operating Manual 1173.6275.12 - 30 139
4.2 Using a Directional Power Sensor
For power measurements in both directions (forward and reverse), you can connect
directional power sensors to the R&S FSH. The R&S FSH supports the following
directional power sensors:
● R&S FSH-Z14
● R&S FSH-Z44
With a directional power sensor, the R&S FSH measures the power of a signal from
source to load (forward power) and from load to source (reverse power). The ratio of
forward and reverse power is a measure of the load matching. The R&S FSH displays
the results as the return loss or the standing wave ratio.
► Press the MODE key.
► Press the "Power Meter" softkey
The R&S FSH activates the mode for power measurements.
Screen layout of the power meter mode with a directional power sensor
1 Connected power sensor model
2 Selected transmission standard
3 Reference for relative power measurements
4 Power offset
5 Readout of the forward power
6 Analog readout of the forward power
7 Readout of the matching value
8 Analog readout of the matching value
9 Measurement frequency
10 Directional power sensor softkey menu
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