Fluke 8845A Calibration Manual page 61

Nominal
Range
Input
100.0 μA
[1]
0 A
100.0 μA 100.0 μA
[1]
-100.0 μA 100.0 μA
[1]
[1]
0 A 1.0 mA
1.0 mA 1.0 mA
-1.0 mA 1.0 mA
0 A 10.0 mA
10.0 mA 10.0 mA
-10.0 mA 10.0 mA
0 A 100.0 mA
100.0 mA 100.0 mA
-100.0 mA 100.0 mA
Move the connector from the 100 mA jack to the 10 A jack on the UUT for the following steps.
0 A 1 A
[1]
1 A 1 A
[1]
-1 A 1 A
0 A 3 A
1.9 A 3 A
-1.9 A 3 A
0 A 10 A
[1]
10 A 10 A
[1]
-10 A 10 A
[1]
5520A must be used with 8508A to obtain suitable test uncertainty ratio.
Table 3-14. 8846A DC Current Verification Steps
90-day Test Limits
High
25.0 ηA -25.0 ηA
100.065 μA 99.935 μA
-99.935 μA -100.065 μA
50.0 ηA -50.0 ηA
999.65 μA
1.00035 mA
-999.65 μA
-1.00035 mA
2.0 μA -2.0 μA
10.005 mA 9.995 mA
-9.995 mA -10.005 mA
5.0 μA -5.0 μA
100.035 mA 99.965 mA
-99.965 mA -100.035 mA
200.0 μA -200.0 μA
1.0006 A 999.4 mA
-999.4 mA -1.0006 A
600.0 μA -600.0 μA
1.90212 A 1.89788 A
-1.9978 A -2.0022 A
800.0 μA -800.0 μA
10.0128 A 9.9872 A
-9.9872 A -10.0128 A
Performance Test and Calibration
1-year Test Limits
Low High
25.0 ηA
100.075 μA
-99.925 μA
50.0 ηA
1.00055 mA
-999.45 μA
2.0 μA
10.007 mA
-9.993 mA
5.0 μA
100.055 mA
-99.945 mA
200.0 μA
1.0007 A
-999.3 mA
600.0 μA
1.9025 A
-1.9974 A
800.0 μA
10.0158 A
-9.9842 A
Performance Tests
Low
-25.0 ηA
99.935 μA
-100.065 μA
-50.0 ηA
999.45 μA
-1.00055 mA
-2.0 μA
9.993 mA
-10.007 mA
-5.0 μA
99.945 mA
-100.055 mA
-200.0 μA
999.3 mA
-1.0007 A
-600.0 μA
1.8975 A
-2.0026 A
-800.0 μA
9.9842 A
-10.0158 A
3
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