Figure 4. DC Current Connection Configuration
OUTPUT
A
SENSE
AUX
CURRENT
V-GUARD
GROUND
NI DMM
Calibrator
HI SENSE
LO
Not Connected
HI
LO
V-GUARD
7.
Verify the accuracy for each configuration in the following table:
a)
Set the PXIe-4080/4082 to the listed configuration and commit.
b)
Set the calibrator to the listed configuration and allow it to settle.
c)
Acquire the specified measurement and compare to the limits.
d)
Set the calibrator to Standby after you have completed all test points in the DMM
Range.
DMM Range Calibrator Output
As-Found Limits (A)
As-Left Limits (A)
Lower
Upper
Lower
Upper
20 mA
18 mA
0.01798790
0.01801210
0.01799902
0.01800098
20 mA
-18 mA
-0.01801210 -0.01798790 -0.01800098 -0.01799902
200 mA
180 mA
0.1798970
0.1801030
0.1799894
0.1800106
200 mA
-180 mA
-0.1801030
-0.1798970
-0.1800106
-0.1799894
1 A
900 mA
0.899320
0.900680
0.899942
0.900058
1 A
-900 mA
-0.900680
-0.899320
-0.900058
-0.899942
You have completed verifying the DC current of the PXIe-4080/4082. Select one of the
following options:
PXIe-4080/4082 Calibration Procedure
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© National Instruments
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