R&S FSH Measuring forward and reflected power
1309.6275.12 4.77 E-2
1 Directional Power Sensor R&S FSH-Z44
2 Source
3 Load
4 Power sensor socket
When measuring high powers, strictly observe the following instructions to prevent damage to the
sensor or hazard to persons:
CAUTION
Danger of skin burns or damage to the instrument
• Never exceed the permissible continuous power.
• See diagram on the rear of the sensor for the permissible continuous
power.
• Turn off the RF power to connect the sensor.
• Screw the RF connectors tightly.
Operating sequence:
Press the MODE key.
Press the POWER METER softkey.
The power meter submenu opens.
The R&S FSH opens the screen for power measurements. If no power sensor is connected, it does not
display any measured value and outputs POWER SENSOR (UNKNOWN) in the status field. If a
power sensor is connected, the R&S FSH sets up a connection via its interface, displays first the
message POWER SENSOR (DETECTING) and then the message POWER SENSOR (BOOTING) in
the status field and, after a few seconds, displays the type of the sensor connected (R&S FSH-Z44) as
well as the measured power.
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