ДСТУ EN ISO 15970:2022 Природный газ. Измерение свойств. Объемные свойства: плотность, давление, температура и коэффициент реального газа (EN ISO 15970:2014, IDT; ISO 15970:2008, IDT)

ДСТУ EN ISO 15970:2022
(EN ISO 15970:2014, IDT; ISO 15970:2008, IDT)

Природний газ. Вимірювання властивостей. Об’ємні властивості: густина, тиск, температура та коефіцієнт реального газу

 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Introduction

1 Scope

2 Normative references

3 Terms and definitions

3.1 Terms and definitions for density at reference conditions

3.2 Terms and definitions for density at operating conditions

3.3 Terms and definitions for pressure

3.4 Terms and definitions for temperature

3.5 Terms and definitions for compression factor

4 Symbols and units

4.1 Symbols and subscripts for density at reference conditions

4.2 Symbols and subscripts for density at operating conditions

4.3 Symbols and subscripts for compression factor

5 Density at reference conditions

5.1 Principle of measurement

5.2 Performance assessment and acceptance tests

5.3 Sampling and installation guidelines

5.4 Calibration

5.5 Verification

5.6 Maintenance

5.7 Quality control

6 Density at operating conditions

6.1 Principle of measurement

6.2 Performance assessment and acceptance tests

6.3 Sampling and installation guidelines

6.4 Calibration

6.5 Verification

6.6 Maintenance

6.7 Quality control

7 Pressure

7.1 Principle of measurement

7.2 Performance assessment and acceptance tests

7.3 Sampling and installation guidelines

7.4 Calibration

7.5 Verification

7.6 Maintenance

7.7 Quality control

8 Temperature

8.1 Principle of measurement

8.2 Performance assessment and acceptance tests

8.3 Installation guidelines

8.4 Calibration

8.5 Verification

8.6 Maintenance

8.7 Quality control

9 Compression factor

9.1 Principle of measurement

9.2 Working principle

9.3 Performance assessment and acceptance tests

9.4 Sampling and installation guidelines

9.5 Calibration

9.6 Verification

9.7 Maintenance

9.8 Quality control

Annex A (informative) Guidance for instrument selection, instrument test and operational procedures

Annex B (informative) Instrument documentation

Bibliography