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International Organization for International Organization for Standardization Standardization

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Page 1: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

International Organization for International Organization for  StandardizationStandardization

Page 2: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

Official members are National StandardOfficial members are National Standard’’s s  organizationsorganizations

••ANSI ANSI ––

American National Standards InstituteAmerican National Standards Institute••BIS BIS ––

Bureau of Indian StandardsBureau of Indian Standards

••BSI BSI ––

British Standards InstitutionBritish Standards Institution••DIN DIN ––

German Institute of StandardizationGerman Institute of Standardization

Page 3: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

164 Participating and Observing Countries164 Participating and Observing Countries3,368 Technical Committees and groups3,368 Technical Committees and groups

224 Technical Committees224 Technical Committees513 Subcommittees513 Subcommittees2,500 working groups2,500 working groups

Vienna agreement with CENVienna agreement with CEN

Page 4: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

•• 19,500 Standards and Technical 19,500 Standards and Technical  ReportsReports

•• 1,500 new projects registered in 1,500 new projects registered in  20122012

Page 5: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

18 participating countries18 participating countries19 observing countries19 observing countries70 standards and technical 70 standards and technical 

reportsreports

Page 6: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

SC 1SC 1

Velocity area methodVelocity area methodSC 2SC 2

Flow measurement structuresFlow measurement structures

SC 5SC 5

Instruments, equipment and data Instruments, equipment and data  managementmanagement

SC 6SC 6

Sediment transportSediment transportSC 8SC 8

Ground waterGround water

Page 7: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

•• Dilution methodsDilution methods•• Vocabulary and symbolsVocabulary and symbols•• UncertaintyUncertainty

Page 8: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

19 participating countries 28 observing countries44 standards

Page 9: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

20 participating countries 29 observing countries93 standards and TRs

Page 10: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

Product of a joint working group consisting of experts  nominated by the:

Bureau International des Poids et Mesures (BIPM)  International Electrotechnical Commission (IEC)

International Organization for Standardization (ISO)  International Organization of Legal Metrology 

(OIML)

GUIDE TO THEEXPRESSION OF UNCERTAINTY

IN MEASUREMENT

Page 11: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

ISO 1088:2007, Collection and processing of data  for determination of uncertainties in flow 

measurement

ISO/TS 25377:2007, Hydrometric uncertainty  guidance (HUG)

Page 12: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

ISO 5168: 2005, Procedures for the evaluation of  uncertainties

ISO/TR 7066‐1: 1997, Assessment of uncertainty  in calibration and use of flow measurement 

devices ‐‐

Part 1: Linear calibration relationships

ISO 7066‐2: 1998, Part 2: Non‐linear calibration  relationships

Page 13: International Organization for  · PDF fileBureau of Indian Standards •BSIBSI –– British Standards Institution •DINDIN –– German Institute of Standardization. 164

ISO 5725‐2: 1994, Accuracy (trueness and precision) of 

measurement methods and results ‐‐

Part 2: Basic method for the 

determination of repeatability and reproducibility of a standard

measurement method

ISO/TR 13587:2012, Three statistical approaches for the assessment 

and interpretation of measurement uncertainty

ISO 21748:2010, Guidance for the use of repeatability, 

reproducibility and trueness estimates in measurement uncertainty 

estimation