Keysight E4980A/AL Precision LCR Meter 125
Configuring Measurement Conditions (Display and Function Related Settings)
CORRECTION page
4-
• During the measurement, the ABORT softkey is shown. Use this key when
you want to abort short correction
Step 10. Repeat
Step 3 to Step 9 until you have specified all of your desired
measurement points.
Step 11. Move the cursor into the SHORT field.
Step 12. Press the ON key to enable the short correction feature.
The E4980A/AL do not have a functionality to check whether the SHORT
correction data is valid or not. Any SHORT correction data can be set, even
if work-related mistakes are made in measuring for the SHORT correction.
For example,
- improper SHORT is used.
- setting up the OPEN state and SHORT state inversely.
- the SHORT is connected incompletely.
- fixture or cable is connected incompletely.
- previous correction data is used.
- after correction, different length cable/different fixture is connected or
settings of frequency/level is changed.
If SHORT correction data is invalid, it may cause inappropriate
measurements without showing warning message. Be careful about the
connection of appropriate SHORT state. SHORT A and SHORT B are
measured values when the SHORT correction is performed. You can check
the measured values.
If "E43 Measurement failed" error is displayed during the SHORT
correction, measure the SHORT state (disable SHORT correction[SHORT
OFF]) at frequency you select and check if the following conditions
happen. If one of them happens, try its suggestion.
"ALC unable to regulate" warning message is displayed (suggestion: turn
off ALC)
"Signal source overload" warning message is displayed (suggestion:
reduce test signal)
"Overload" is displayed (Measurement result becomes overload)
(suggestion: check cabling/fixturing)
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