2 Performance Tests
52 Keysight E4416A/E4417A Power Meters Service Guide
Keysight E-Series Power Sensor Interface Test
Description
Keysight E-Series power sensors have sensor calibration tables stored in
EEPROM. This enables the power meter to download frequency and calibration
factor data automatically. The frequency and calibration factor data have
checksums which are compared to the data downloaded by the power meter. For
the Keysight E4417A dual channel power meter, this test must be performed on
both channels.
This test verifies that the power meter can successfully download this data from
the sensor.
Equipment
– Power sensor cable: Keysight E9288A.
– Power sensor: Keysight E9321A.
Procedure
1 Connect the E9321A power sensor to the power meter's Channel A input. The
following message appears:
– For the Keysight E4416A: Reading Sensor.
– For the Keysight E4417A: Reading Sensor ChA.
When all data has been downloaded this message disappears and a reading is
displayed on the measurement window. If the download fails, a warning
message and error flag are displayed on the front panel. The SCPI error
message -310, System Error is also displayed.
2 For the Keysight E4417A repeat step 1 for Channel B.
When no power sensor is connected to the Channel A input, the following
message is displayed on the measurement window:
– For the Keysight E4416A: No Sensor.
– For the Keysight E4417A: No Sensor ChA.
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