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ISO 5725-1 : 1994(R2018)
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ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 1: GENERAL PRINCIPLES AND DEFINITIONS |
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ISO 10715 : 1997(R2013)
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NATURAL GAS - SAMPLING GUIDELINES |
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EN 12405-1 : 2005 + A2 2010
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GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION |
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ISO 6976 : 2016
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NATURAL GAS - CALCULATION OF CALORIFIC VALUES, DENSITY, RELATIVE DENSITY AND WOBBE INDICES FROM COMPOSITION |
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ISO 15971 : 2008(R2013)
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NATURAL GAS - MEASUREMENT OF PROPERTIES - CALORIFIC VALUE AND WOBBE INDEX |
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ISO 5168 : 2005(R2015)
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MEASUREMENT OF FLUID FLOW - PROCEDURES FOR THE EVALUATION OF UNCERTAINTIES |
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ISO 10723 : 2012
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NATURAL GAS - PERFORMANCE EVALUATION FOR ANALYTICAL SYSTEMS |
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API MPM CH14.5 : 2009
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CALCULATION OF GROSS HEATING VALUE, RELATIVE DENSITY, COMPRESSIBILITY AND THEORETICAL HYDROCARBON LIQUID CONTENT FOR NATURAL GAS MIXTURES FOR CUSTODY TRANSFER |
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ISO 9300 : 2005(R2015)
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MEASUREMENT OF GAS FLOW BY MEANS OF CRITICAL FLOW VENTURI NOZZLES |
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ISO 16664 : 2017
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GAS ANALYSIS - HANDLING OF CALIBRATION GASES AND GAS MIXTURES - GUIDELINES |
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ISO 5725-3 : 1994(R2013)
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ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 3: INTERMEDIATE MEASURES OF THE PRECISION OF A STANDARD MEASUREMENT METHOD |
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ISO 5725-6 : 1994(R2017)
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ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 6: USE IN PRACTICE OF ACCURACY VALUES |
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ISO 5725-4 : 1994(R2013)
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ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 4: BASIC METHODS FOR THE DETERMINATION OF THE TRUENESS OF A STANDARD MEASUREMENT METHOD |
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ISO 13686 : 2013
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NATURAL GAS - QUALITY DESIGNATION |
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ISO/IEC GUIDE 99 : 2007(R2015)
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INTERNATIONAL VOCABULARY OF METROLOGY - BASIC AND GENERAL CONCEPTS AND ASSOCIATED TERMS (VIM) |
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ISO 15970 : 2008(R2017)
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NATURAL GAS - MEASUREMENT OF PROPERTIES - VOLUMETRIC PROPERTIES: DENSITY, PRESSURE, TEMPERATURE AND COMPRESSION FACTOR |
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ISO 3534-2 : 2006(R2014)
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STATISTICS - VOCABULARY AND SYMBOLS - PART 2: APPLIED STATISTICS |
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ISO 14532 : 2014
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NATURAL GAS - VOCABULARY |
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API MPM CH14.2 : 2ED 1994(R2012)
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MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 14.2: COMPRESSIBILITY FACTORS OF NATURAL GAS AND OTHER RELATED HYDROCARBON GASES |
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ISO 13443 : 1996(R2013)
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NATURAL GAS - STANDARD REFERENCE CONDITIONS |
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ISO 5167-1 : 2003(R2014)
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MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES INSERTED IN CIRCULAR CROSS-SECTION CONDUITS RUNNING FULL - PART 1: GENERAL PRINCIPLES AND REQUIREMENTS |
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ISO 6142 : 2001
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GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES - GRAVIMETRIC METHOD |
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ISO TR 12765 : 1998
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MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - METHODS USING TRANSIT-TIME ULTRASONIC FLOWMETERS |
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ISO 10790 : 2015
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MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - GUIDANCE TO THE SELECTION, INSTALLATION AND USE OF CORIOLIS FLOWMETERS (MASS FLOW, DENSITY AND VOLUME FLOW MEASUREMENTS) |
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ISO 5725-2 : 1994(R 2013)
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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 |
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ISO 3534-3 : 2013(R2018)
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STATISTICS - VOCABULARY AND SYMBOLS - PART 3: DESIGN OF EXPERIMENTS |
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EN 1359 : 2017
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GAS METERS - DIAPHRAGM GAS METERS |
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ISO 14111 : 1997(R2014)
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NATURAL GAS - GUIDELINES TO TRACEABILITY IN ANALYSIS |
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ISO 7504 : 2015
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GAS ANALYSIS - VOCABULARY |
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IEC 60050-191 : 1.0T
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INTERNATIONAL ELECTROTECHNICAL VOCABULARY - PART 191: DEPENDABILITY AND QUALITY OF SERVICE |
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ISO TR 7871 : 1997
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CUMULATIVE SUM CHARTS - GUIDANCE ON QUALITY CONTROL AND DATA ANALYSIS USING CUSUM TECHNIQUES |
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GPA 2172 : 2014
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CALCULATION OF GROSS HEATING VALUE, RELATIVE DENSITY, COMPRESSIBILITY AND THEORETICAL HYDROCARBON LIQUID CONTENT FOR NATURAL GAS MIXTURES FOR CUSTODY TRANSFER |
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ISO/IEC GUIDE 98-3 : 2008
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UNCERTAINTY OF MEASUREMENT - PART 3: GUIDE TO THE EXPRESSION OF UNCERTAINTY IN MEASUREMENT (GUM:1995) |
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EN 1776 : 2015
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GAS INFRASTRUCTURE - GAS MEASURING SYSTEMS - FUNCTIONAL REQUIREMENTS |
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ISO 3534-1 : 2006(R2010)
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STATISTICS - VOCABULARY AND SYMBOLS - PART 1: GENERAL STATISTICAL TERMS AND TERMS USED IN PROBABILITY |