National Instruments PXI-4130, Процедура калибровки, Страница: 23 / 44

NI PXI-4130 Calibration Procedure | © National Instruments | 23
5. Calculate the
Current Change Limit
using the formulas shown in the following table:
6. Subtract the two current measurements,
I
1
-
I
2
, to calculate the
Current Change
. The test
passes if the
Current Change
falls within the calculated
Current Change Limit
.
Table 11.
NI 4130 Current Load Regulation Current Change Limit Formulas
Channel Current Range Current Change Limit
0 1 A ±2.00 × 10 -4 × (
V
1
-
V
2
)
1 200 μ A ±2.00 × 10 -8 × (
V
1
-
V
2
)
2 mA ±2.00 × 10 -7 × (
V
1
-
V
2
)
20 mA ±2.00 × 10 -6 × (
V
1
-
V
2
)
200 mA ±2.00 × 10 -5 × (
V
1
-
V
2
)
2 A ±2.00 × 10 -4 × (
V
1
-
V
2
)