GB/T 7230-2008 English PDFUS$229.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 7230-2008: Gas detector tube measurement system Status: Valid GB/T 7230: Historical versions
Basic dataStandard ID: GB/T 7230-2008 (GB/T7230-2008)Description (Translated English): Gas detector tube measurement system Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: C70 Classification of International Standard: 71.040.20 Word Count Estimation: 10,173 Date of Issue: 2008-12-23 Date of Implementation: 2009-12-01 Older Standard (superseded by this standard): GB 7230-1987 Quoted Standard: GB/T 10111 Regulation (derived from): Announcement of Newly Approved National Standards No. 21 of 2008 (No. 134 overall) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the type of gas detector tube device, specifications, technical performance, test methods, inspection rules and marking requirements. This standard applies to the production of gas detector tube device, product quality inspection. GB/T 7230-2008: Gas detector tube measurement system---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Gas detector tube measurement system ICS 71.040.20 C70 National Standards of People's Republic of China Replacing GB 7230-1987 Gas detector tube means Posted 2008-12-23 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard replaces GB 7230-1987 "gas detector tube means." This standard compared with GB 7230-1987, the content changes are. --- According to GB/T 1.1 requirements to redraft the standard text, increase the scope, normative references; --- This standard improves the gas detector tube supporting sampler tightness test methods; --- This standard increases the gas detector tube drop test; --- This standard increases the gas detector tube sampler appearance inspection and technical requirements and test methods; --- The standard proportion increased content sampling and judging rules. This standard was proposed by the State Administration of Work Safety. This standard produced by the National Standardization Technical Committee on Security. This standard was drafted. Beijing Labor Protection Institute of Science. The main drafters of this standard. Wang Dong, Zhaoshou Tang, Hu Bin, Yan Xiaosong, Jin Jiang Hong, Zhu Zuo Gang, Ningzhan Wu, Zhu Xiaofeng, Jia Shaofeng, Zhang Yan-ni. This standard replaces the standards previously issued as follows. --- GB 7230-1987. Gas detector tube means1 ScopeThis 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 referencesThe 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 in3 Terms and DefinitionsThe 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). ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 7230-2008_English be delivered?Answer: Upon your order, we will start to translate GB/T 7230-2008_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 7230-2008?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 7230-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
