Electrical Measurements

Author:qmsctl

Uncertainty budget group: Electrical Measurements.

Uncertainty budgets for electrical measurement instruments used in the analog readout chain: Additel ADT220 (4-20 mA) and BK Precision 5491A (0-5 V).

Budgets

Variant Standard Uncertainty (k=1) Expanded Uncertainty (k=2)
0-5 V Analog Readout (BK5491A) 0.012% rdg + 0.0115% FS 0.023% rdg + 0.0229% FS
4-20 mA Analog Readout (ADT220) 0.007% rdg + 0.0092% FS 0.014% rdg + 0.0184% FS