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Keysight E4981A User Manual

Keysight E4981A
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6 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
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Choosing a register number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Memory status information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Comment information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Saving/Recalling instrument configuration states into/from the internal memory. . . . . .82
Saving/Recalling instrument configuration states into/from USB memory . . . . . . . . . . .83
Using the auto recall feature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Saving measurement results into USB memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Saving a screenshot into USB memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
5. Preparation for Accurate Measurement (Executing Correction)
Overview of Correction Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
OPEN/SHORT/LOAD/OFFSET correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Cable correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Turning ON/OFF Correction Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Turning on OPEN correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Turning on SHORT correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Turning on LOAD correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Turning on OFFSET correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Obtaining Correction Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Obtaining (measuring) data for OPEN correction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Obtaining (measuring) data for SHORT correction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Obtaining (measuring) data for LOAD correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Selecting single/multiple correction mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Setting up data for OFFSET correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Checking Displaying/Setting Up Correction Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Checking displaying/setting up data for OPEN correction . . . . . . . . . . . . . . . . . . . . . . .110
Checking displaying/setting up data for SHORT correction . . . . . . . . . . . . . . . . . . . . . .110
Checking displaying/setting up data for LOAD correction. . . . . . . . . . . . . . . . . . . . . . . .111
Avoiding Mistakes Related to Work in Obtaining Correction Data . . . . . . . . . . . . . . . . . . . .112
Using warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Obtaining Cable Correction Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Description of softkeys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
6. Executing Measurement
Starting (Triggering) Measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Setting the trigger mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Perform successive measurements automatically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Specifying measurement timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Notes on inputting a trigger signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Tips for More Accurate Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Setting measurement time to 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Selecting an appropriate measurement range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118

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Keysight E4981A Specifications

General IconGeneral
BrandKeysight
ModelE4981A
CategoryMeasuring Instruments
LanguageEnglish

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