Agilent Technologies E4418B Service Manual page 18

Troubleshooting .................................................................................. 1
Introduction................................................................................... 6-2
Suggested Diagnostic Equipment.......................................... 6-2
Measurement Uncertainty Analysis Instrument Accuracy Test..1
Measurement Introduction...........................................................A-2
Uncertainties .......................................................................... A-3
Define the Measurand............................................................ A-3
Define the Measurement Equation ....................................... A-3
Sensitivity Coefficients Ci:..................................................... A-8
Combined Standard Uncertainty uc(y): ................................ A-9
Expanded Uncertainty kuc(y):...............................................A-9
Measurement Uncertainty Analysis Power Reference Level Test1
Measurement Introduction...........................................................B-2
Define the Measurand............................................................ B-2
Define the Measurement Equation ....................................... B-2
Uncertainty Equation ............................................................ B-4
Voltage Measurements Uncertainty ..................................... B-4
Mismatch ................................................................................B-5
Calibration factor ................................................................... B-7
Sensor Calibration Factor Drift............................................. B-7
Resistance ............................................................................... B-8
Repeatability........................................................................... B-8
Sensitivity Coefficients (Ci) ................................................... B-10
Combined Standard Uncertainty (uc(y)) ............................... B-12
Expanded Uncertainty ...........................................................B-12
Contents-4 Agilent E4418B/E4419B Service Guide