Fluke 5500A, Руководство по обслуживанию

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5500A
Service Manual
3-22
3-29. DC Current Amplitude Accuracy
The DC Voltage Amplitude Accuracy test verifies the accuracy of dc current at the
5500A Calibrator front panel AUX terminals. See Figure 3-2 and Table 3-4 for test
equipment connection instructions. Table 3-15 shows the test points.
Table 3-15. DC Current Amplitude Accuracy Test
Range Nominal
Value
Measured Value (A)
(AUX)
Deviation % 90-Day Spec.
(% or mA)
3.3 mA 0 mA 0.00005 mA
3.3 mA 0.19 mA 0.036%
3.3 mA -0.19 mA 0.036%
3.3 mA 1.9 mA 0.013%
3.3 mA -1.9 mA 0.013%
3.3 mA 3.29 mA 0.012%
3.3 mA -3.29 mA 0.012%
33 mA 0 mA 0.00025 mA
33 mA 19 mA 0.009%
33 mA -19 mA 0.009%
33 mA 32.9 mA 0.009%
33 mA -32.9 mA 0.009%
330 mA 0 mA 0.0033 mA
330 mA 190 mA 0.010%
330 mA -190 mA 0.010%
330 mA 329 mA 0.009%
330 mA -329 mA 0.009%
2.2 A 0 A 0.000044 A
2.2 A 2.19 A 0.025%
2.2 A -2.19 A 0.025%
11 A 0 A 0.00033 A
11 A 11 A 0.041%
11 A -11 A 0.041%