GB/T 17283.1-2025Natural gas - Determination of moisture - Part 1: Determination of water dew point by cooled surface condensation hygrometers (English PDF)
天然气 水分的测定 第1部分：用冷却镜面凝析湿度计法测定水露点
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 29, 2025
Implementation date
March 1, 2026
Scope
GB/T 17283.1-2025 is the English-translated version of 天然气 水分的测定 第1部分：用冷却镜面凝析湿度计法测定水露点.
Moisture in natural gas affects pipeline integrity, custody transfer and gas quality, and this document covers one way of measuring it: finding the water dew point with a cooled surface condensation hygrometer. It is Part 1 of the series on moisture determination in natural gas and concentrates on the chilled-mirror principle, in which a surface is cooled until condensation forms.
The method is of interest to gas producers, pipeline and storage operators, gas processing plants, instrument suppliers and laboratories that calibrate or operate dew point equipment. Buyers and sellers who set water content limits in supply contracts also depend on a clearly defined measurement method to settle disputes.
Issued on 29 August 2025, the standard comes into effect on 1 March 2026 and replaces GB/T 17283-2014. It is a recommended national standard, voluntary by nature, though contracts and company specifications frequently make it binding in practice. Users working to the 2014 edition should plan their transition before the new date.
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Document preview — GB/T 17283.1-2025
National Standard of the People's Republic of China
- ICS
- 75.060
- Classification
- E 24
- Replacing
- GB/T 17283-2014
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
GB/T 17283.1-2025 is a recommended national standard (GB/T) of the People's Republic of China, issued on 29 August 2025 by the State Administration for Market Regulation and the Standardization Administration of China, with effect from 1 March 2026.
This edition replaces GB/T 17283-2014.
The document adopts an international standard (ISO or IEC).
It is under the responsibility of the Standardization Administration of China.
Classification: ICS 75.060; CCS E 24.
1 Scope
Moisture in natural gas affects pipeline integrity, custody transfer and gas quality, and this document covers one way of measuring it: finding the water dew point with a cooled surface condensation hygrometer. It is Part 1 of the series on moisture determination in natural gas and concentrates on the chilled-mirror principle, in which a surface is cooled until condensation forms.
The method is of interest to gas producers, pipeline and storage operators, gas processing plants, instrument suppliers and laboratories that calibrate or operate dew point equipment. Buyers and sellers who set water content limits in supply contracts also depend on a clearly defined measurement method to settle disputes.
Issued on 29 August 2025, the standard comes into effect on 1 March 2026 and replaces GB/T 17283-2014. It is a recommended national standard, voluntary by nature, though contracts and company specifications frequently make it binding in practice. Users working to the 2014 edition should plan their transition before the new date.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 17283.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 17283.1-2025 | Natural gas - Determination of moisture - Part 1: Determination of water dew point by cooled surface condensation hygrometers | current edition | Current |
| GB/T 17283-2014 | Determination of the water dew point of natural gas--Cooled surface condensation hygrometers | previous edition | In force until 1 March 2026 |
This page sells the current edition, GB/T 17283.1-2025. Earlier editions are listed for reference only.
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