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Performance Tests
Instrument Accuracy Test
Agilent E4418B/E4419B Service Guide 2-13
Note When switching the range calibrator to STANDBY, allow enough
time for the range calibrator to settle to its zero value before
attempting to zero the power meter. This settling would appear on
the power meter display as downward drift. When the drift has
reached minimum, (typically less than 60 seconds), the range
calibrator is settled.
9. Set the DC calibrator as follows:
• SET VALUE: 0 (ZERO)
• FUNCTION: DC
• OUTPUT: OFF
10. On the power meter press ,
, ,
, , , , and set the filter
length to 512 in the pop up window then press .
11. On the power meter press , . Wait approximately 10
seconds for the wait symbol to disappear. Verify that the display
reads 0 ±0.05 µW.
12. Set the DC calibrator output to 144.93mV, and set the output
switch to '+'.
13. Press to calibrate the power meter.
System
Inputs
Input Settings
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Zero
Cal
Zero
Cal