108 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Preparation for Accurate Measurement (Executing Correction)
Obtaining Correction Data
5-
Step 6. Use the numeric entry keys to enter the number of channels or use the
following softkeys
Step 7. Use the cursor keys to select the LOAD REF field.
Step 8. Use the following softkeys:
Setting up data for OFFSET correction
You can define a certain value and set it up as the data for OFFSET correction.
When the OFFSET correction is ON, taking the measured value before
correction as and the data for the OFFSET correction as , the
measured value is corrected as . Therefore, to correct the
measurement result to your desired value, set up the difference between the
desired value and the measurement result as the data for the OFFSET
correction. For example, to correct the current measured value of the primary
parameter of 1.012 nF to the measured value of 1.000 nF, set up the data for
the OFFSET correction for the primary parameter to 12 pF.
The data for the OFFSET correction consists of 120 Hz, 1 kHz, and 1 MHz data
for both the primary and secondary parameters, as shown in Table 5-2.
Softkey Description
INCR++ Increments the channel number in steps of 10.
INCR+ Increments the channel number in steps of 1.
DECR- Decrements the channel number in steps of 1.
DECR-- Decrements the channel number in steps of 10.
Softkey Description
SINGLE Defines a single LOAD correction standard value commonly applied to all
channels.
MULTI Defines a LOAD correction standard value for each channel.
Table 5-2 Structure of data for OFFSET correction
For primary parameter For secondary parameter
120 Hz correction data 120 Hz correction data
1 kHz correction data 1 kHz correction data
1 MHz correction data 1 MHz correction data
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