Risk Management The Critical Role of Measurement and Calibration

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1、SERVICESWHITEPAPERCalibrationRepair3DMetrologyReferenceLaboratorycalibratewithconfidenceRiskManagement:TheCriticalRoleofMeasurementandCalibrationTheultimategoalofyourcompanyistobeprofitableinprovidingasuperior,effective,andsafeproductorservice.Youruseo

2、ftestandmeasuringinstrumentsinthisprocessindicatesyourneedtobasedecisionsonquantifiedvalues.Thesevaluesmustbereliable,whichiswhyyoucalibratetheseinstruments.Buthowconfidentareyouthatyourtestandmeasuringinstrumentsarenotimpactingtheproductorserviceinwhi

3、chtheseinstrumentsareused?Doyouknowhowtotellwhenareportedcalibrationresult(i.e.,reading)isvalidandwhenitisnot?Ifacalibrationresultisvalid,thenitsimplybecomesamatterofknowingwhenyouneedtoperformanimpactstudy.Therearedifferentindicatorsthatyoucanusetohel

4、pyoudecidewhenanimpactanalysisisnecessaryandwhenananalysisisnotneeded.Butbeforedemonstratingthesedifferent“instrumentwellness”indicators,let’sconsiderthealternativepath:Howdoyoutellthatthecalibrationresultisinvalid?SERVICESWHITEPAPERCalibrationRepair3D

5、MetrologyReferenceLaboratoryRiskManagement:TheCriticalRoleofMeasurementandCalibrationBothoftheseconcerns–validityofthecalibrationandinstrumentwellness–canbeaddressedtogether.Tounderstandhowthisispossible,let’sstartwithalookateachpieceofinformationthati

6、s(orshouldbe)includedonyourcalibrationreport(seefig.1).Figure1:SampleCalibrationReportAcalibrationreportshouldindicate,ataminimum,thevalueofthelab’sstandard,yourinstrument’svalue,theerrorofyourinstrument,andtheuncertaintyofthelab’smeasurement.Additiona

7、lly,includingtheinstrument’stolerancesmakesiteasierfortheowneroftheinstrumenttoquicklyviewthereportandunderstandwhetherornottheinstrumenthasmaintaineditsexpectedtolerances.Astatementonthefrontofthereportthatidentifieswhetherornotallofthereadingsmaintai

8、nedtheirtolerancesisanotherconveniencefortheinstrumentowner.ThisisknownasaStatementofCompliance(seefig.2).StatementofComplianceFigure2:StatementofComplianceFinally,iftheinstrument’stolerancesareshownaswellasthelab’suncertaintyforthemeas