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Preparation for Accurate Measurement (Executing Correction)
Turning ON/OFF Correction Functions
Turning ON/OFF Correction Functions
You can turn ON/OFF each correction function separately.
Turning on OPEN correction
Use one of the following two ways to set the OPEN correction to ON.
Measuring data for OPEN correction
Execute measurement of the data for the OPEN correction. When the
measurement finishes successfully, the OPEN correction is automatically set to
ON. For information on the measurement procedure for the data used in the
OPEN correction, refer to
Setting up ON/OFF directly
Use the following procedure to set the OPEN correction to ON/OFF.
Step 1.
Press [Meas Setup].
Step 2.
Press the CORRECTION softkey.
Step 3.
Use the cursor keys to select the OPEN field.
Step 4.
Press the ON softkey to turn ON the OPEN correction function.
If you change the setup of the cable length or frequency shift (1 MHz) with
the OPEN correction ON, the warning message "Need corr meas" appears
and the OPEN correction is automatically set to OFF. Along with OPEN
correction, SHORT and LOAD correction is set to OFF as well.
If you set the OPEN correction to ON by using the above procedure when
the setup of the cable length or frequency shift differs from that during
measurement of the data for OPEN correction, the warning message "Need
open meas" appears. Even if this warning message appears, the OPEN
correction is set to ON. However, you must again measure the data for
OPEN correction to ensure accurate measurement.
When the measurement result becomes overload, "Measurement failed"
error is displayed and OPEN correction data is not updated.
94
"Measuring data for OPEN correction" on page
Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
44.
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