Adjusting 10 nA to 100 mA Current Output and Measurement
Complete this procedure only after successfully completing all previous adjustment
procedures. Adjust ranges in the specified order.
Refer to the following table as you complete the following steps:
Table 14. 10 nA to 100 mA Current Output and Measurement Adjustment
5
Level Range
Limit Range and Limit
Test Point
100 µA
6 V
100 µA
-100 µA
1 mA
6 V
100 µA
-100 µA
1.
Make the necessary connections for this procedure, as shown in the following figure:
Figure 13. Current Output and Measurement Adjustment Connection Diagram
DMM
Current
Mode
+
–
NI-DCPower Device
Triax to Banana/
Bare Wire
Shielded Combicon to
Banana/Bare Wire
Sense LO
Sense HI
(Triax)
HI
(Triax)
LO
CHS GND
2.
Set the
niDCPower Output Function
property or
NIDCPOWER_OUTPUT_FUNCTION
attribute to DC Current for the PXIe-4135.
3.
Set the first specified level range, limit range, and limit on the PXIe-4135.
4.
Set the level on the PXIe-4135 to the first specified test point.
5.
Take a current measurement using the DMM.
6.
Store the value from the previous step to use as an input for the niDCPower Cal Adjust
VI or function called in the following steps.
7.
If more than one test point per level range is specified, repeat the previous steps for each
test point, from setting the level to the test point on the PXIe-4135 up to this step.
5
Adjusting the 100 µA and 1 mA level ranges automatically adjusts the following ranges: 10 nA,
1 µA, 10 mA, and 100 mA.
6
The PXIe-4135 requires that you use ±100 µA test points in the 1 mA level range.
PXIe-4135 Calibration Procedure
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© National Instruments Corporation
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