BS ISO TR 7066-1-1997 流量测量设备的校验校验和校验不可信度的评定.第1部分:线性校验关系

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【英文标准名称】:Assessmentofuncertaintyincalibrationanduseofflowmeasurementdevices-Linearcalibrationrelationships
【原文标准名称】:流量测量设备的校验校验和校验不可信度的评定.第1部分:线性校验关系
【标准号】:BSISOTR7066-1-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-07-15
【实施或试行日期】:1997-07-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:流量计;明渠流动;估计;曲线配合;统计检验;误差分析;统计分布;置信限;外插;公式;数学计算;流量率;流量测量;液体流动;校正;方差;统计方法分析;测量特征
【英文主题词】:Calibration;Calibrationpractice;Characteristiccurves;Definitions;Drift;Erroranalysis;Flowmeasurement;Flowrates;Flowmeters;Liquidflow;Measurement,testingandinstruments;Measuringincertainity;Measuringinstruments;Use
【摘要】:1ThispartofISO/TR7066describestheprocedurestobeusedinderivingthecalibrationcurveforanymethodofmeasuringflowrateinclosedconduitsoropenchannels,andofassessingtheuncertaintyassociatedwithsuchcalibrations.Proceduresarealsogivenforestimationoftheuncertaintyarisinginmeasurementsobtainedwiththeuseoftheresultantgraph,andforcalculationoftheuncertaintyinthemeanofanumberofmeasurementsofthesameflowrate.2OnlylinearrelationshipsareconsideredinthispartofISO/TR7066;theuncertaintyinnon-linearrelationshipsformsthesubjectofISO/TR7066-2.ThispartofISO/TR7066isapplicable,therefore,onlyifa)therelationshipbetweenthetwovariablesisitselflinear,oroneorbothvariablescanbetransformedinsuchamannerastocreatealinearrelationshipbetweenthem,as,forinstancebytheuseoflogarithms,orthetotalrangecanbesubdividedinsuchawaythatwithineachsubdivisiontherelationshipbetweenthetwovariablescanberegardedasbeinglinear;andifb)systematicdeviationsfromthefittedlinearenegligiblecomparedwiththeuncertaintyassociatedwiththeindividualobservationsformingthegraph.NOTE—ExamplesoftheapplicationoftheprinciplescontainedinthispartofISO/TR7066aregiveninannexesBandC.
【中国标准分类号】:A52
【国际标准分类号】:17_120_01
【页数】:38P.;A4
【正文语种】:英语