GB/T 20936.3-2009Electrical apparatus for the detection and measurement of flammable gases - Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air (English PDF)
可燃性气体探测用电气设备 第3部分：显示空气中甲烷体积含量至100%的I类探测器的性能要求
GB/T 20936.3 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 20936.3-2017 | Gas detectors for explosive atmospheres - Part 3: Guidance on functional safety of fixed gas detection systems | Valid |
| GB/T 20936.3-2009 | Electrical apparatus for the detection and measurement of flammable gases - Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air | Obsolete |
GB/T 20936.3-2009 is obsolete. It has been replaced by GB/T 20936.3-2017. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
April 21, 2009
Implementation date
November 1, 2009
Scope
GB/T 20936.3-2009 is the English-translated version of 可燃性气体探测用电气设备 第3部分：显示空气中甲烷体积含量至100%的I类探测器的性能要求.
GB/T 20936.3-2009 is the Chinese national standard "Electrical apparatus for the detection and measurement of flammable gases - Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air".
It was issued on April 21, 2009 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on November 1, 2009. It is obsolete: it has been replaced by GB/T 20936.3-2017.
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Document preview — GB/T 20936.3-2009
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2009-04-21.
Date of implementation: 2009-11-01.
Status: obsolete, replaced by GB/T 20936.3-2017.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
GB/T 20936.4-2017 — Gas detectors for explosive atmospheres -- Part 4: Performance requirements of open path detectors for flammable gases
GB/T 20936.2-2017 — Gas detectors for explosive atmospheres - Part 2: Selection, installation, use and maintenance of detectors for flammable gases and oxygen
GB/T 20936.2-2024 — Gas detectors for explosive atmospheres - Part 2: Selection, installation, use and maintenance of detectors for flammable gases and oxygen
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GB/T 20936.3-2009
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