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How to detect toxic and harmful gases

How to detect toxic and harmful gases, Total:158 items.

In the international standard classification, How to detect toxic and harmful gases involves: Air quality, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Analytical chemistry, Industrial automation systems, Occupational safety. Industrial hygiene, Alarm and warning systems, Electrical and electronic testing, Explosion protection, Mining equipment, Linear and angular measurements, Electrical equipment for working in special conditions, Electromagnetic compatibility (EMC), Transport, Products of the chemical industry, Protective equipment, Accident and disaster control, Medical sciences and health care facilities in general, Protection against fire, Electrical engineering in general, Water quality.

Professional Standard - Environmental Protection, How to detect toxic and harmful gases

HJ 871-2017 Ambient air - Determination of chlorine and other hazardous air pollutants in emergency monitoring - Length detector tube method

Professional Standard - Commodity Inspection, How to detect toxic and harmful gases

SN/T 2000-2013 Determination of certain hazardous substances in electrical and electronic equipment.General guidelines
SN/T 2000-2006 Determination of certain hazardous substances in electrical and electronic equipment.General guidelines
SN/T 2002-2006 Determination of certain hazardous substances in electrical and electronic equipment.Compliance assessment
SN/T 2002-2013 Determination of certain hazardous substances in electrical and electronic equipment.Conformity assessment
SN/T 3744-2013 Rules for detection of the residual toxic gas in entry-exit containers
SN/T 2001.1-2006 Determination of certain hazardous substances in electrical and electronic equipment.Mechanical disjointment.Part 1:General requirements

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, How to detect toxic and harmful gases

GB/T 32209-2015 Polycomponent deleterious gas detection alarm
GB 50493-2009 Specification for design of combustible gas and toxic gas detection and alarm for petrochemical industry
GB/T 50493-2019 Petrochemical industry combustible gas and toxic gas detection alarm design standards
GB/T 26073-2010 Safety guideline for the evaluation of toxic and flammable gas detection systems
GB/T 12301-1999 Detection methods for harmful gas evolved from non-dangerous cargo in holds

化学工业部, How to detect toxic and harmful gases

HG/T 2359-1992 Electrochemical harmful gas detection alarm instrument

Hebei Provincial Standard of the People's Republic of China, How to detect toxic and harmful gases

DB13/T 2518-2017 Specifications for inspection and testing of combustible gas and toxic gas detection and alarm systems in industrial enterprises

Henan Provincial Standard of the People's Republic of China, How to detect toxic and harmful gases

DB41/T 1522-2018 Technical specification for inspection and detection of flammable and toxic gas alarms

HU-MSZT, How to detect toxic and harmful gases

MSZ 3780/9.lap-1961

Professional Standard - Coal, How to detect toxic and harmful gases

MT 278-1994 Harmful gas existing in mine air Detection method of ammonia gas（detector tube method）
MT 277-1994 Harmful gas existing in mine air Detection method of hydrogen sulfide（detector tube method）
MT/T 277-1994
MT 279-1994 Harmful gas existing in mine air Detection method of nitrogen oxide（detector tube method）
MT 280-1994 Harmful gas existing in mine air Detection method of sulfur dioxide（detector tube method）
MT/T 279-1994
MT/T 280-1994

National Metrological Verification Regulations of the People's Republic of China, How to detect toxic and harmful gases

JJG(京) 45-2011 Remote Sensing Ignition Engine Vehicles Detector for Emit Harmful Gas
JJG(京)45-2011 Remote Sensing Ignition Engine Vehicles Detector for Emit Harmful Gas

Korean Agency for Technology and Standards (KATS), How to detect toxic and harmful gases

KS C 6592-2007 Performance requirements for toxic gas-Detection instruments：Hydrogen sulfide
KS C 6592-2007(2018) Performance requirements for toxic gas-Detection instruments：Hydrogen sulfide
KS C 6593-2007(2018) Installation, operation and maintenance of toxic gas-Detection instruments：Hydrogen sulfide

Heilongjiang Provincial Standard of the People's Republic of China, How to detect toxic and harmful gases

DB23/T 1802-2016 Technical specification for detection of combustible gas and toxic gas alarm system

ISA - International Society of Automation, How to detect toxic and harmful gases

ISA 92.0.01 PART I-1998 Performance Requirements for Toxic Gas-Detection Instruments: Hydrogen Sulfide
ISA 92.00.02-2013 Installation@ Operation@ and Maintenance of Toxic Gas-Detection Instruments
ISA RP92.0.02 PART II-1998 Installation@ Operation@ and Maintenance of Toxic Gas-Detection Instruments: Hydrogen Sulfide

KR-KS, How to detect toxic and harmful gases

KS C 6592-2007(2023) Performance requirements for toxic gas-Detection instruments：Hydrogen sulfide
KS C 6593-2007(2023) Installation, operation and maintenance of toxic gas-Detection instruments：Hydrogen sulfide

Instrument Society of America (ISA), How to detect toxic and harmful gases

ISA TR92.00.03-2014 Guide for Toxic Gas Detection as a Method of Personnel Protection
ISA 92.0.01, PART I-1998 Performance Requirements for Toxic Gas-Detection Instruments: Hydrogen Sulfide Formerly ANSI/ISA-S92.0.01, Part 1-1998; Replaces ISA-S12.15 Part 1-1990

Association Francaise de Normalisation, How to detect toxic and harmful gases

NF EN 50270:2015 Compatibilité électromagnétique - Appareils de détection et de mesure de gaz combustible, de gaz toxique et d'oxygène
NF C23-596*NF EN 50402:2017 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of gas detection systems
NF C23-570:2000 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen.
NF EN 50402:2017 Matériel électrique pour la détection et la mesure des gaz ou vapeurs combustibles ou toxiques ou de l'oxygène - Exigences relatives à la sécurité fonctionnelle des systèmes de détection de gaz
NF EN 13631-16:2005 Explosifs à usage civil - Explosifs - Partie 16 : détection et mesurage des gaz toxiques
NF C23-571:2010 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies.
NF C23-571*NF EN 50271:2018 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
NF EN 50545-1/A1:2016 Appareil électrique de détection et de mesure de gaz combustible et toxique dans les parcs de stationnement et les tunnels - Partie 1 : exigences de performance générales et méthodes pour la détection et la mesure du monoxyde de carbone et d'oxy...
NF X43-246-3*NF EN 45544-3:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3 : performance requirements for apparatus used for general gas detection
NF EN 50271:2018 Appareils électriques de détection et de mesure des gaz combustibles, des gaz toxiques ou de l'oxygène - Exigences et essais pour les appareils utilisant un logiciel et/ou des technologies numériques
NF EN 50545-1:2012 Appareil électrique de détection de mesure de gaz combustible et toxique dans les parcs de stationnement et les tunnels - Partie 1 : exigences de performance générales et méthodes pour la détection et la mesure du monoxyde de carbone et d'oxyde ...
NF C23-504-1/A1*NF EN 50545-1/A1:2016 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1 : general performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
NF C23-504-1*NF EN 50545-1:2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1 : general performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides.
NF EN 45544-4:2016 Atmosphères des lieux de travail - Appareillage électrique utilisé pour la détection directe des vapeurs et gaz toxiques et le mesurage direct de leur concentration - Partie 4 : guide de sélection, d'installation, d'utilisation et d'entretien
NF X43-246-2*NF EN 45544-2:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2 : performance requirements for apparatus used for exposure measurement
NF X43-246-4*NF EN 45544-4:2016 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 4 : guide for selection, installation, use and maintenance

American Society for Testing and Materials (ASTM), How to detect toxic and harmful gases

ASTM D4490-96 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM D4490-23 Red Standard Practice for the Use of Detector Tubes in the Measurement of Toxic Gases and Vapors (Standard + Redline PDF Bundle)
ASTM D4490-96(2001)e1 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM D4490-23 Standard Practice for the Use of Detector Tubes in the Measurement of Toxic Gases and Vapors
ASTM D4490-96(2016) Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM D4490-96(2011) Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM D4490-96(2006)e1 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes

British Standards Institution (BSI), How to detect toxic and harmful gases

BS EN 50270:2007 Electromagnetic compatibility. Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
BS EN 50270:1999 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
BS EN 50402:2017 Tracked Changes. Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen. Requirements on the functional safety of gas detection systems
19/30398559 DC BS EN 50270. Electromagnetic compatibility. Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
BS EN 50241-2:1999 Specification for open path apparatus for the detection of combustible or toxic gases and vapours - Performance requirements for apparatus for the detection of combustible gases
BS EN 45544-3:2015 Tracked Changes. Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours. Performance requirements for apparatus used for general gas detection
BS EN 50271:2002 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
BS 60080:2020 Explosive and toxic atmospheres. Hazard detection mapping. Guidance on the placement of permanently installed flame and gas detection devices using software tools and other techniques
BS EN 50241-1:1999 Specification for open path apparatus for the detection of combustible or toxic gases and vapours - General requirements and test methods
BS EN 45544-1:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - General requirements and test methods
BS EN 50271:2018 Tracked Changes. Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen. Requirements and tests for apparatus using software and/or digital technologies
20/30383140 DC BS 60080. Explosive and toxic atmospheres. Hazard detection mapping. Guidance on the placement of permanently installed flame and gas detection devices using software tools and other techniques
BS EN 45544-4:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Guide for selection, installation, use and maintenance
BS EN 50545-1:2011+A1:2016 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
BS EN 45544-1:2015 Tracked Changes. Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours. General requirements and test methods
BS EN 45544-2:2015 Tracked Changes. Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours. Performance requirements for apparatus used for exposure measurement
BS EN 45544-2:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Performance requirements for apparatus used for measuring concentrations in the region of limit values
BS EN 45544-3:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Performance requirements for apparatus used for measuring concentrations well above limit values
BS EN 45544-4:2016 Tracked Changes. Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours. Guide for selection, installation, use and maintenance

Danish Standards Foundation, How to detect toxic and harmful gases

DS/EN 50270:2007 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
DS/EN 13631-16:2004 Explosives for civil uses - High explosives - Part 16: Detection and measurement of toxic gases
DS/EN 50402/A1:2008 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems
DS/EN 50402:2006 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems
DS/EN 50271:2010 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
DS/EN 50545-1:2011 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
DS/EN 45544-1:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods
DS/EN 45544-4:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 4: Guide for selection, installation, use and maintenance
DS/EN 45544-2:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for measuring concentrations in the region of limit values
DS/EN 45544-3:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentrations well above limit values

Lithuanian Standards Office , How to detect toxic and harmful gases

LST EN 50270-2007 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
LST EN 13631-16-2004 Explosives for civil uses - High explosives - Part 16: Detection and measurement of toxic gases
LST EN 50402-2005/A1-2008 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems
LST EN 50402-2005 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen. Requirements on the functional safety of fixed gas detection systems
LST EN 50402-2005/AC-2009 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen. Requirements on the functional safety of fixed gas detection systems
LST EN 50271-2010 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
LST EN 50545-1-2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels -- Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
LST EN 45544-1-2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods
LST EN 45544-4-2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 4: Guide for selection, installation, use and maintenance
LST EN 45544-3-2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentrations well above limit values
LST EN 45544-2-2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for measuring concentrations in the region of limit values

European Committee for Electrotechnical Standardization（CENELEC）, How to detect toxic and harmful gases

FprEN 50270:2021 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
EN 45544-4:2016 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 4: Guide for selection@ installation@ use and maintenance
EN 45544-2:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for exposure measurement
EN 45544-2:1999 Workplace Atmospheres - Electrical Apparatus Used for the Direct Detection and Direct Concentration Measurement of Toxic Gases and Vapours - Part 2:Performance Requirements for Apparatus Used for Measuring Concentrations in the Region of Limit Values

German Institute for Standardization, How to detect toxic and harmful gases

DIN EN 50270:2007 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen; German version EN 50270:2006
DIN EN 13631-16:2004-11 Explosives for civil uses - High explosives - Part 16: Detection and measurement of toxic gases; German version EN 13631-16:2004
DIN EN 50270:2015 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen; German version EN 50270:2015
DIN EN 45544-3:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for general gas detection; German version EN 45544-3:2015
DIN EN 50545-1:2017 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
DIN 38415-6:2003 German standard methods for the examination of water, waste water and sludge - Subanimal testing (group T) - Part 6: Toxicity to fish; Determination of the non-acute-poisonous effect of waste water to fish eggs by dilution limits (T 6)
DIN EN 50271:2011 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies; German version EN 50271:2010
DIN EN 50545-1:2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides; German ver
DIN EN 45544-1:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods; German version EN 45544-1:1999
DIN EN 45544-4:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 4: Guide for selection, installation, use and maintenance; German version EN 45544-4:1999
DIN EN 50270 Berichtigung 1:2016 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen; German version EN 50270:2015, Corrigendum to DIN EN 50270 (VDE 0843-30):2015-10; German version EN 50270:2015/AC:2016
DIN EN 45544-2:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for exposure measurement; German version EN 45544-2:2015
DIN EN 45544-3:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentrations well above limit values; German v
DIN EN 45544-1:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods; German version EN 45544-1:2015
DIN EN 45544-2:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for measuring concentrations in the region of limit values; Ge

Occupational Health Standard of the People's Republic of China, How to detect toxic and harmful gases

GBZ/T 223-2009 Specification of setting monitoring and alarming devices for toxic gas in the workplace

RU-GOST R, How to detect toxic and harmful gases

GOST EN 50270-2012 Electromagnetic compatibility. Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen

ES-UNE, How to detect toxic and harmful gases

UNE-EN 50402:2017 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of gas detection systems (Endorsed by Asociación Española de Normalización in June of 2017.)
UNE-EN 50270:2016/AC:2016-08 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
UNE-EN 50270:2016 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
UNE-EN 45544-3:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for general gas detection (Endorsed by AENOR in March of 20...
UNE-EN 50271:2019 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
UNE-EN 45544-1:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods (Endorsed by AENOR in March of 2015.)
UNE-EN 50545-1:2012/A1:2016 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
UNE-EN 45544-2:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for exposure measurement (Endorsed by AENOR in March of 2015.)
UNE-EN 45544-4:2016 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 4: Guide for selection, installation, use and maintenance (Endorsed by AENOR in June of 2016.)

Professional Standard - Petrochemical Industry, How to detect toxic and harmful gases

SH 3063-1999 Specification for the design of combustble gas and toxic gas detection and alarm for petrochemical industry

未注明发布机构, How to detect toxic and harmful gases

BS EN 50270:2015(2016) Electromagnetic compatibility — Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
BS EN 50241-1:1999(2004) Specification for open path apparatus for the detection of combustible or toxic gases and vapours — Part 1 : General requirements and test methods

AENOR, How to detect toxic and harmful gases

UNE-EN 13631-16:2005 Explosives for civil uses - High explosives - Part 16: Detection and measurement of toxic gases
UNE-EN 50402:2006 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems
UNE-EN 50402:2006/A1:2008 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems
UNE-EN 50271:2011 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
UNE-EN 50545-1:2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
UNE-EN 45544-4:2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours -- Part 4: Guide for selection, installation, use and maintenance.

国家能源局, How to detect toxic and harmful gases

SY/T 6503-2022 Safety Specifications for Combustible Gas and Toxic Gas Detection and Alarm Systems in Petroleum and Natural Gas Engineering

Jiangxi Provincial Standard of the People's Republic of China, How to detect toxic and harmful gases

DB36/T 759-2019 Technical specifications for safety inspection of combustible gas and toxic gas alarm system in industrial enterprises
DB36/ 759-2013 Technical specifications for safety inspection of combustible gas and toxic gas alarm system in industrial enterprises

CENELEC - European Committee for Electrotechnical Standardization, How to detect toxic and harmful gases

EN 50241-2:1999 Specification for Open Path Apparatus for the Detection of Combustible or Toxic Gases and Vapours - Part 2: Performance Requirements for Apparatus for the Detection of Combustible Gases
EN 50241-1:1999 Specification for Open Path Apparatus for the Detection of Combustible or Toxic Gases and Vapours@ Part 1: General Requirements and Test Methods
EN 50545-1:2011 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides

Standard Association of Australia （SAA）, How to detect toxic and harmful gases

AS/NZS 4641(Int):2005 Electrical apparatus for detection of oxygen and other gases and vapours at toxic levels--General requirements and test methods
AS/NZS 4641:2018 Electrical equipment for detection of oxygen and other gases and vapours at toxic levels — General requirements and test methods

国家质量监督检验检疫总局, How to detect toxic and harmful gases

SN/T 4905.1-2017 Methods for detecting toxic gases in entry and exit containers Part 1: Benzene compounds

American National Standards Institute （ANSI), How to detect toxic and harmful gases

ANSI/ISEA 102-1990(R2015) American National Standard For Gas Detector Tube Units - Short Term Type for Toxic Gases and Vapors in Working Environments

Group Standards of the People's Republic of China, How to detect toxic and harmful gases

T/CAS ES380926001-2022 Rules for quality grading and evaluating of industrial products—Online analyzers – Online combustible and toxic gas detector
T/CIC 401-2021 High temperature non-dispersive infrared absorption method for detection of inorganic harmful gas factors in waste gas from fixed pollution sources in metallurgical industry

NZ-SNZ, How to detect toxic and harmful gases

AS/NZS 4641:2007 Electrical apparatus for detection of oxygen and other gases and vapours at toxic levels-General requirements and test methods (Incorporating Amendment 1: June 2008)

European Committee for Standardization (CEN), How to detect toxic and harmful gases

EN 45544-1:1999 Workplace Atmospheres - Electrical Apparatus Used for the Direct Detection and Direct Concentration Measurement of Toxic Gases and Vapours - Part 1: General Requirements and Test Methods
EN 45544-1:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods
EN 45544-4:1999 Workplace Atmospheres - Electrical Apparatus Used for the Direct Detection and Direct Concentration Measurement of Toxic Gases and Vapours - Part 4: Guide for Selection, Installation, Use and Maintenance
EN 45544-3:1999 Workplace Atmospheres - Electrical Apparatus Used for the Direct Detection and Direct Concentration Measurement of Toxic Gases and Vapours - Part 3: Performance Requirements for Apparatus Used for Measuring Concentrations Well Above Limit Values
EN 45544-3:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for general gas detection

Underwriters Laboratories (UL), How to detect toxic and harmful gases

UL 920002 BULLETIN-2017 UL Standard for Safety Installation@ Operation@ and Maintenance of Toxic Gas-Detection Instruments (COMMENTS DUE: SEPTEMBER 25@ 2017)
UL 920002-2013 UL Standard for Safety Installation@ Operation@ and Maintenance of Toxic Gas-Detection Instruments (First Edition; Reprint with revisions through and including October 13@ 2017)