Fluke Digital Multimeter - Page 40

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 40
Calculating u
2
• Step 1: Calculate the maximum instrument error per
manufacturer’s specifications at the point of test
5500A – 1 year specs @10 A, 50 Hz
±(0.06% of 10 A + 2000 μA)
is calculated to be:
±(6 mA + 2 mA) = ±8 mA