GB/T 7230-2008Gas detector tube measurement system (English PDF)
气体检测管装置
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 23, 2008
Implementation date
December 1, 2009
Scope
GB/T 7230-2008 is the English-translated version of 气体检测管装置.
GB/T 7230-2008 is the Chinese standard "Gas detector tube measurement system". Its scope clause reads: This standard specifies the type of gas detector tube device specifications, technical performance, test methods, inspection rules and marking requirements.
This standard applies to production, product quality inspection gas detector tube device. Its clauses include terms and definitions.
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Document preview — GB/T 7230-2008
National Standard of the People's Republic of China
- ICS
- 71.040.20
- Classification
- C 70
- Replacing
- GB 7230-1987
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
This standard specifies the type of gas detector tube device specifications, technical performance, test methods, inspection rules and marking requirements.
This standard applies to production, product quality inspection gas detector tube device.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 10111 random number generation and its application in product quality sampling in
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
A set of means for measuring the gas concentration and gives reliable measurement results, including test tube, sampling, pretreatment pipes and other accessories.
3.2
Filled with a transparent coating of a chemical reagent carriers (collectively referred to above both directions powder) tube. The use of color indicating powder produced in a chemical reaction
Color change measurement of gas concentrations or species.
3.3
Manually using the test tube with the supporting or automatic sampling devices.
3.4
Gas or vapor to be measured.
3.5
Tube for sample pretreatment, such as a filter tube, oxidation, drying tube and so on.
3.6
Gas detector tube means necessary components, such as test tube holder, sampling pipe, heat pipe, standard concentration levels, rulers and school
Positive lists.
3.7
It can detect the lowest concentration of the test substance.
3.8
The measurement results of the gas detector tube device reproducibility coefficient of variation (CV) represents, calculated as formula (1).
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 7230
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 7230-2008 | Gas detector tube measurement system | current edition | Current |
| GB 7230-1987 | Gas detector tube measurement system | previous edition | Superseded |
This page sells the current edition, GB/T 7230-2008. Earlier editions are listed for reference only.
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