BS ISO 15971 : 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
05-31-2014
English
01-01-2008
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 Calorific value and Wobbe index
3.2 Water content of gas
3.3 Performance classification
3.4 Terms from metrology
4 Principles of measurement
4.1 Introduction
4.2 Direct combustion calorimetry
4.3 Indirect methods
4.4 Inferential methods
5 Performance assessment and acceptance tests
5.1 Performance assessment for instrument selection
5.2 Factory and site acceptance tests
6 Sampling and installation guidelines
6.1 Sampling
6.2 Installation guidelines
7 Calibration
7.1 Calibration procedures
7.2 Calibration gases
8 Verification
8.1 Verification procedures
8.2 Verification gases
9 Maintenance
9.1 Preventive maintenance
9.2 Corrective maintenance
10 Quality control
10.1 General
10.2 Environmental parameters and ancillary equipment
10.3 Instrumental factors
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
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