National Instruments PXIe-4467 - AI Gain Accuracy Verification

PXIe-4466/4467 Calibration Procedure
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AI Gain Accuracy Verification
Test Limits
Table 4: AI Gain Verification Limits
Device Gain
(dB)
Calibrator Output As-Found Test Limit As-Left Test Limit
Amplitude
(V
rms
)
Frequency
(Hz)
Lower
Limit
(V
rms
)
Upper
Limit
(V
rms
)
Lower
Limit
(V
rms
)
Upper
Limit
(V
rms
)
-20 6.3 1000 6.28189 6.31816 6.28551 6.31452
-10 6.3 1000 6.28189 6.31816 6.28551 6.31452
0 6.3 1000 6.28189 6.31816 6.29637 6.30363
10 2.0 1000 1.99425 2.00576 1.99885 2.00115
20 0.63 1000 0.62819 0.63182 0.62964 0.63036
30 0.2 1000 0.19943 0.20058 0.19988 0.20012
Initial Test Connection
Note
Initial test connection is same as AI Offset, as shown in Figure 1.
Verification Procedure
Complete the following procedure to verify the AI gain accuracy.
Repeat 2 times, once for each channel.