I.S. EN ISO 15971:2014
Current
The latest, up-to-date edition.
NATURAL GAS - MEASUREMENT OF PROPERTIES - CALORIFIC VALUE AND WOBBE INDEX (ISO 15971:2008)
Hardcopy , PDF
English
01-01-2014
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles of measurement
5 Performance assessment and acceptance tests
6 Sampling and installation guidelines
7 Calibration
8 Verification
9 Maintenance
10 Quality control
Annex A (normative) - Symbols and units
Annex B (informative) - Examples of type-approval and
technical specifications
Annex C (informative) - Class 0 mass-basis calorimetry
Annex D (informative) - Direct combustion calorimetry
Annex E (informative) - Stoichiometric combustion devices
Annex F (informative) - Effect of non-alkane gases on
stoichiometric combustion devices
Annex G (informative) - Measurement of Wobbe index
Bibliography
Specifies the measurement of calorific value of natural gas and natural gas substitutes by non-separative methods, i.e. methods that do not involve the determination of the gas composition, nor calculations from it.
| DocumentType |
Standard
|
| Pages |
66
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN ISO 15971:2014 | Identical |
| ISO 15971:2008 | Identical |
| ISO 10715:1997 | Natural gas — Sampling guidelines |
| ISO 6976:2016 | Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition |
| ISO/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| ISO 5725-6:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values |
| IEC 61000-6-3:2006+AMD1:2010 CSV | Electromagnetic compatibility (EMC) - Part 6-3: Generic standards - Emission standard for residential, commercial and light-industrial environments |
| ISO 14532:2014 | Natural gas — Vocabulary |
| ISO 13443:1996 | Natural gas — Standard reference conditions |
| ISO 6142:2001 | Gas analysis — Preparation of calibration gas mixtures — Gravimetric method |
| ISO 14111:1997 | Natural gas — Guidelines to traceability in analysis |
| ISO 6145-1:2003 | Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 1: Methods of calibration |
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