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National Instruments PXIe-4468 - 1. 8 B7 BConnect the AI channel under test to the Calibrator as shown in Figure 1 or Figure 2.; 2. 9 B8 BConfigure the calibrator to generate an output with the amplitude and frequency from Table 4.; 3. 10 B9 BCreate and configure an AI Voltage channel task using the values in Table 5.

National Instruments PXIe-4468
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PXIe-4468 Calibration Procedure
© National Instruments Corporation 13
Initial Test Connection
Note
Initial test connection is same as AI Offset, as shown in Figure 1 or
Figure 2.
Verification Procedure
Complete the following procedure to verify the AI gain accuracy.
Repeat 2 times, once for each channel.
1. Connect the AI channel under test to the Calibrator as shown in
Figure 1 or Figure 2.
Repeat 6 times, once for each gain setting.
2. Configure the calibrator to generate an output with the amplitude
and frequency from Table 4.
3. Create and configure an AI Voltage channel task using the values in
Table 5 .
Table 5: AI Gain Verification Configuration
Configuration Value
Physical Channels Dev_name/aix
Gain* Gain from Table 4
Coupling AC
Terminal Configuration Pseudodifferential
Excitation (IEPE) 0 (A)
Acquisition mode Finite number of samples

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