ForewordScopeDefinitionsSymbols and unitsGeneral symbolsStatistical symbolsCentral provingOn-line provingPrinciples of statistical measurementIntroductionDistribution of measurementsEstimate of true quantityEstimate of standard deviationEstimate of the uncertaintyEstimate of repeatabilityEstimate of maximum rangeCombination of errorsThe estimate s(y) of the standard deviation of y (see 2.1.4) is given by:The estimate u(y) of the uncertainty of y (see 2.1.5) is similar in form to equation (2.13), that is:Measurement procedureIntroductionStatistical controlMeasurement reliabilityPerformance chartsControl chartsChart preparationParallel control chartsMoving-average control chartsNon-linear control chartsReconciliation chartsCollection of dataProving conditionsGeneralPressureTemperatureFlowrateViscosityMeter dataNumber of provingsNumber of flowrates requiredNumber of viscositiesTest reportReliability of data collected and resulting valuesCentral proving operational conditionsReliability of data collectedOutlier testTests for short-term variability or scatterTest for repeatabilityTest of the rangeResulting valuesVariation in meter factor with (Q,v)Performance chartsGeneralPreparation of dataFlowrate QViscosityMeter characteristicsK-factorMeter correction factorRelative errorMeter calibration and performance chartsCalibration curve for turbine and displacement metersPD metersTurbine metersUniversal calibration curve for turbine metersPolynomial methodDirect matrixTableControl charts and testsQuality of metersFrequency of provingRe-proving as a function of timeRe-proving as a function of volumeControl charts and tests corresponding to any meterControl charts and tests via polynomialsControl charts via direct matrixWorked examplesScope of examplesExample 1: Test for outliersGivenFindSolutionExample 2: Test for repeatabilityGivenFindSolutionExample 3: Test of the rangeGivenFindSolutionsExample 4: Resulting valuesGivenFindSolutionExample 5: Preparation of dataGivenFindSolutionExample 6: Universal calibration curve (UCC)GivenFindSolutionsAnalysis of 1978 Test ReportAnalysis of 1979 Test ReportAnalysis of 1980 Test ReportCollection of dataProving conditions4.1.1.1 General4.1.1.2 Sensitivity of meterMeter dataProver volume correctionsNumber of provingsEffect of flowrateControlling conditionsNumber of flowratesRe-provingReliability of data collectedOperating conditionsData analysisEffects of random errorsK-factor - flowrate curvesMonitoring proving conditionsPerformance chartsGeneralInitial proving dataPrior dataControl chartsGeneralStatistical tables (informative)t-distribution values for 95 % and 99 % probability (two-sided) (informative)Normal (Gaussian) distribution (informative)Outlier tests (informative)Procedure for Dixon's Test for outliersRandom uncertainty of polynomial approximation (informative)Bibliography (informative)