Fluke Digital Multimeter - Combining and Expanding Uncertainties

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 49
Combining all uncertainties …
A One Standard Deviation Estimate Of
Combined Uncertainty
Standard
Combined
Uncertainty
22
3
2
2
2
1
...
n
c
uuuu
u

12.16 mA
222
9.21.34.11 