Agilent Technologies 4418B Service Manual page 18

Troubleshooting .................................................................................. 1
Introduction................................................................................... 6-2
Suggested Diagnostic Equipment.......................................... 6-2
Agilent 432A Power Meters & 478A Sensors Additional
Information ...........................................................................................
Additional Information ................................................................A-2
Measurement Uncertainty Analysis Instrument Accuracy Test..1
Measurement Introduction...........................................................B-2
Uncertainties .......................................................................... B-3
Define the Measurand............................................................ B-3
Define the Measurement Equation ....................................... B-3
Sensitivity Coefficients Ci:..................................................... B-8
Combined Standard Uncertainty uc(y): ................................ B-9
Expanded Uncertainty kuc(y):...............................................B-9
Measurement Uncertainty Analysis Power Reference Level Test1
Measurement Introduction...........................................................C-2
Define the Measurand............................................................ C-2
Define the Measurement Equation ....................................... C-2
Uncertainty Equation ............................................................ C-4
Voltage Measurements Uncertainty ..................................... C-4
Mismatch ................................................................................C-5
Calibration factor ................................................................... C-7
Sensor Calibration Factor Drift............................................. C-7
Resistance ............................................................................... C-8
Repeatability........................................................................... C-8
Sensitivity Coefficients (Ci) ................................................... C-10
Combined Standard Uncertainty (uc(y)) ............................... C-12
Expanded Uncertainty ...........................................................C-12
Contents-4 Agilent E4418B/E4419B Service Guide
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