GB 20936.4-2008Electrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating a volume fraction up to 100% gas (English PDF)
可燃性气体探测用电气设备 第4部分：显示气体体积含量至100%的II类探测器的性能要求
GB 20936.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 20936.1-2022 | Gas detectors for explosive atmospheres—Part 1: Performance requirements of detectors for flammable gases | Valid |
| GB/T 20936.1-2017 | Gas detectors for explosive atmospheres—Part 1: Performance requirements of detectors for flammable gases | Obsolete |
| GB 20936.4-2008 | Electrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating a volume fraction up to 100% gas | Obsolete |
GB 20936.4-2008 is obsolete. It has been replaced by GB/T 20936.1-2017. 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 · Mandatory
Issue date
December 30, 2008
Implementation date
January 1, 2010
Scope
GB 20936.4-2008 is the English-translated version of 可燃性气体探测用电气设备 第4部分：显示气体体积含量至100%的II类探测器的性能要求.
GB 20936.4-2008 is the Chinese national standard "Electrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating a volume fraction up to 100% gas".
It was issued on December 30, 2008 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 January 1, 2010. It is obsolete: it has been replaced by GB/T 20936.1-2017.
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Document preview — GB 20936.4-2008
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 (Mandatory).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2008-12-30.
Date of implementation: 2010-01-01.
Status: obsolete, replaced by GB/T 20936.1-2017.
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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 20936.2-2009 — Electrical apparatus for the detection and measurement of flammable gases - Part 2: Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in air
GB 20936.1-2007 — Electrical apparatus for the detection and measurement of flammable gases - Part 1: General requirement and test methods
GB 11118-2026 — Hydraulic fluids (L-HL, L-HM, L-HV, L-HS and L-HG type)
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GB 20936.4-2008
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