11. Connect the calibrator test head to channel 1 of the NI 5170R using the SMA (m)-to-
BNC (f) adapter and repeat steps 3 through 9 for each configuration listed in the
DC
Accuracy Verification
table.
12. Connect the calibrator test head to channel 2 of the NI 5170R using the SMA (m)-to-
BNC (f) adapter and repeat steps 3 through 9 for each configuration listed in the
DC
Accuracy Verification
table.
13. Connect the calibrator test head to channel 3 of the NI 5170R using the SMA (m)-to-
BNC (f) adapter and repeat steps 3 through 9 for each configuration listed in the
DC
Accuracy Verification
table.
Note
If you are verifying the NI 5170R (8CH), proceed to the following step.
If you are verifying the NI 5170R (4CH), DC accuracy verification is complete.
14. Connect the calibrator test head to channel 4 of the NI 5170R using the SMA (m)-to-
BNC (f) adapter and repeat steps 3 through 9 for each configuration listed in the
DC
Accuracy Verification
table.
15. Connect the calibrator test head to channel 5 of the NI 5170R using the SMA (m)-to-
BNC (f) adapter and repeat steps 3 through 9 for each configuration listed in the
DC
Accuracy Verification
table.
16. Connect the calibrator test head to channel 6 of the NI 5170R using the SMA (m)-to-
BNC (f) adapter and repeat steps 3 through 9 for each configuration listed in the
DC
Accuracy Verification
table.
17. Connect the calibrator test head to channel 7 of the NI 5170R using the SMA (m)-to-
BNC (f) adapter and repeat steps 3 through 9 for each configuration listed in the
DC
Accuracy Verification
table.
Verifying AC Amplitude Accuracy
Follow this procedure to verify the AC amplitude accuracy of the NI 5170R by comparing the
50 kHz AC voltage measured by the NI 5170R to the 50 kHz AC voltage measured by the
DMM.
Refer to the following table as you complete the following steps:
3
Measurement Uncertainty
is based on the following equipment and conditions:
•
NI PXI-4071 specifications apply after self-calibration is performed, in an ambient
temperature of 23 °C ± 5 °C, with 6.5 digit resolution, a measurement aperture greater than
80 μs, and Auto Zero enabled
•
The cable from the BNC Tee to the DMM must be 1 meter or less
•
Pasternack SMA Adapter (M-M) PE9069
•
Pasternack SMA Tee PE9246
14
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NI PXIe-5170R Calibration Procedure
