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EN 50270:2015

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen

Superseded date

25-11-2019

Published date

16-01-2015

1 Scope
2 Normative references
3 Terms and Definitions
4 EMC test plan
5 Immunity tests
6 Emission tests
7 Test report
8 Modifications
Annex ZZ (informative) - Coverage of Essential
         Requirements of EU Directives
Bibliography

This European Standard specifies requirements for the electromagnetic compatibility (EMC) for electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen which are subject to the performance standards for gas detection apparatus, for example EN 45544 (all parts), EN 50104, EN 50194 (all parts), EN 50291, EN 50379 (all parts), EN 50543, EN 50545, EN 60079-29-1 or EN 60079-29-4.NOTEFor the purpose of this standard the word ‘toxic’ covers ‘very toxic’, ‘toxic’, ‘harmful’, ‘corrosive‘, ‘irritating‘, ‘sensitising‘, ‘carcinogenic‘, ‘mutagenic‘ and ‘teratogenic‘.This European Standard applies to apparatus intended for use in residential, commercial and light-industrial environments as well as to apparatus intended for use in industrial environments. The apparatus may be AC-, DC- or battery powered.This European Standard is also applicable to apparatus which is intended for use in hazardous areas which may contain explosive or potentially explosive atmospheres. It covers only normal operation and does not cover safety requirements related to EMC phenomena.This standard is a product standard which is based on the product family standard EN 61326-1. This product standard takes precedence over the product family standard and over generic standards.This standard applies to electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen that include functions specified by the manufacturer as being safety functions and can include functions specified as not being safety functions.All performance standards for the detection and measurement of combustible gases, toxic gases or oxygen include the minimum requirements for functional safety specified in EN 50271. There are also gas detectors and gas detection systems which are intended to be used with safety integrity levels SIL 1 to SIL 3 according to EN 50402 and EN 61508. For functional safety in industrial applications, this standard has taken into account those aspects of EN 61326–3–2 relating to the measuring and warning function of the apparatus defined as safety function.Apparatus of type 1 where the manufacturer claims a safety integrity level should be considered as type 2 apparatus with regard to immunity requirements.This standard specifies requirements for immunity tests in relation to continuous and transient, conducted and radiated disturbances, including electrostatic discharges, and also for emission tests. The test requirements are specified for each port considered.Apparatus falling within the scope of this European Standard is classified as follows by the following types.Type 1: apparatus intended for use in residential, commercial and light-industrial environments, as described in EN 61000-6-1 and EN 61000-6-3.Type 2: apparatus intended for use in industrial environments, as described in EN 61000-6-2 and EN 61000-6-4.This European Standard does not apply to any of the following:apparatus intended for the detection of dusts or mists in air;scientific or laboratory based apparatus used only for analysis or measurement;apparatus used exclusively for process measurement purposes;apparatus for medical purposes;apparatus used for breath alcohol measurementapparatus intended for the direct measurement of automotive exhaust gases.

Committee
CLC/TC 31
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy
Supersedes

13/30276476 DC : 0 BS EN 45544-3 - 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
BS EN 50543:2011 Electronic portable and transportable apparatus designed to detect and measure carbon dioxide and/or carbon monoxide in indoor ambient air. Requirements and test methods
BS EN 50379-2:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances Performance requirements for apparatus used in statutory inspections and assessment
BS EN 50104:2010 Electrical apparatus for the detection and measurement of oxygen. Performance requirements and test methods
BS EN 45544-3:2015 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
UNE-EN 50194-2:2007 Electrical apparatus for the detection of combustible gases in domestic premises - Part 2: Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises - Additional test methods and performance requirements
BS EN 50291:2001 Electrical apparatus for the detection of carbon monoxide in domestic premises. Test methods and performance requirements
PREN 45544-2 : DRAFT 2013 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 MANAGEMENT
BS 7927:1998 Heating appliances for domestic applications. Portable apparatus designed to detect and measure specific combustion flue gas products. Requirements
08/30176065 DC : DRAFT JAN 2008 BS EN 50194-1 - ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
CEI EN 50379-3 : 2012 SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 3: PERFORMANCE REQUIREMENTS FOR APPARATUS USED IN NON-STATUTORY SERVICING OF GAS FIRED HEATING APPLIANCES
BS ISO 16000-29:2014 Indoor air Test methods for VOC detectors
BS EN 45544-1:2015 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 50194:2000 Electrical apparatus for the detection of combustible gases in domestic premises. Test methods and performance requirements
DIN EN 50402 : 2018 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
CEI EN 50291 : 2002 ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES TEST METHODS AND PERFORMANCE REQUIREMENTS
CEI EN 50104 : 2011 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF OXYGEN - PERFORMANCE REQUIREMENTS AND TEST METHODS
I.S. 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 FIXED GAS DETECTION SYSTEMS
BS EN 50291-1 : 2010 ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
BS 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
UNE-EN 50543:2011 Electronic portable and transportable apparatus designed to detect and measure carbon dioxide and/or carbon monoxide in indoor ambient air - Requirements and test methods
CEI EN 50379-1 : 2012 SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
PREN 45544-3 : DRAFT 2013 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
CEI EN 60079-29-4 : 2011 EXPLOSIVE ATMOSPHERES - PART 29-4: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF OPEN PATH DETECTORS FOR FLAMMABLE GASES
UNE-EN 50379-1:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 1: General requirements and test methods
I.S. EN 61779-1:2003 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
VDE 0400-70 : 2018 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
I.S. 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
BS EN 50291-2:2010 Electrical apparatus for the detection of carbon monoxide in domestic premises Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises including recreational craft. Additional test methods and performance requirements
EN 50379-3:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 3: Performance requirements for apparatus used in non-statutory servicing of gas fired heating appliances
EN 50379-1:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 1: General requirements and test methods
(INVALID RECORD) EN 50543:2011/AC:2011 ELECTRONIC PORTABLE AND TRANSPORTABLE APPARATUS DESIGNED TO DETECT AND MEASURE CARBON DIOXIDE AND/OR CARBON MONOXIDE IN INDOOR AMBIENT AIR - REQUIREMENTS AND TEST METHODS
EN 60079-29-4:2010 Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases
EN 50291:2001 Electrical apparatus for the detection of carbon monoxide in domestic premises - Test methods and performance requirements
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
OVE/ONORM EN 60079-29-1 : 2008 EXPLOSIVE ATMOSPHERES - PART 29-1: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF DETECTORS FOR FLAMMABLE GASES
CEI EN 50543 : 2011 ELECTRONIC PORTABLE AND TRANSPORTABLE APPARATUS DESIGNED TO DETECT AND MEASURE CARBON DIOXIDE AND/OR CARBON MONOXIDE IN INDOOR AMBIENT AIR - REQUIREMENTS AND TEST METHODS
NF EN 50194 : 2000 CORR 1 2000 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - TEST METHODS AND PERFORMANCE REQUIREMENTS
02/203341 DC : DRAFT FEB 2002 PREN 50379-1 - SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
EN 60079-29-1:2016 Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases
BS 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
CEI 216-8 : 2005 FLUSH-TYPE DETECTORS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - TEST METHODS AND PERFORMANCE REQUIREMENTS
UNE-EN 60079-29-4:2011 Explosive atmospheres -- Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases
UNE-EN 50104:2011 Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods
PREN 50402 : DRAFT 2013 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
CEI UNI EN 50194 : 2001 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - TEST METHODS AND PERFORMANCE REQUIREMENTS
CEI 216-5/1 : 2002 ELECTRICAL EQUIPMENT FOR THE DETECTION AND THE MEASUREMENT OF BURNING VAPOURS OR GASES OR TOXIC AND OF OXYGEN FOR CONTINUOUS OPERATION IN FIXED INSTALLATIONS IN NON-HAZARDOUS AREAS - PART 1:GENERAL REQUIREMENTS AND TEST METHODS FOR CONTROL BOARDS AND CONTROL AND SIGNALLING BOARDS
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
I.S. EN 50194-2:2006 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 2: ELECTRICAL APPARATUS FOR CONTINUOUS OPERATION IN A FIXED INSTALLATION IN RECREATIONAL VEHICLES AND SIMILAR PREMISES - ADDITIONAL TEST METHODS AND PERFORMANCE REQUIREMENTS
UNE-EN 60079-29-1:2017 Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases
UNE-EN 50291-1:2011 Electrical apparatus for the detection of carbon monoxide in domestic premises - Part 1: Test methods and performance requirements
ISA 92.00.01 : 2010(R2015) PERFORMANCE REQUIREMENTS FOR TOXIC GAS DETECTORS
I.S. 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
I.S. EN 50104:2010 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF OXYGEN - PERFORMANCE REQUIREMENTS AND TEST METHODS
BS EN 50194-2 : 2006 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 2: ELECTRICAL APPARATUS FOR CONTINUOUS OPERATION IN A FIXED INSTALLATION IN RECREATIONAL VEHICLES AND SIMILAR PREMISES - ADDITIONAL TEST METHODS AND PERFORMANCE REQUIREMENTS
NF EN 50545-1 : 2012 AMD 1 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
CEI UNI EN 50194-1 : 2012 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
NF EN 50291-1 : 2010 AMD 1 2012 ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
EN 50291-1:2018 Gas detectors - Electrical apparatus for the detection of carbon monoxide in domestic premises - Part 1: Test methods and performance requirements
FM 6320 : 2018 COMBUSTIBLE GAS DETECTORS
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
VDI 4206 Blatt 1:2010-08 Performance criteria and test procedures for measuring devices for monitoring emissions at firing installations - Measuring devices for the determination of gaseous emissions and flue gas parameters
VDE 0400-40-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
VDI 4206 Blatt 4:2013-08 Performance criteria and test procedures for measuring devices for monitoring emissions at small firing installations - Measuring devices for the determination of moisture of lumpy wood
DIN EN 61779-1 : 2001 AMD 11 2004 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
VDE 0400-40-2 : 2000 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES - PART 2: PERFORMANCE REQUIREMENTS FOR APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES
13/30275012 DC : 0 BS EN 45544-1 - 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
DIN EN 50241-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
UNI CEI EN 50194-1 : 2010 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
EN 303 446-2 : 1.1.0 DRAFT ELECTROMAGNETIC COMPATIBILITY (EMC) STANDARD FOR COMBINED AND/OR INTEGRATED RADIO AND NON-RADIO EQUIPMENT; PART 2: SPECIFIC CONDITIONS FOR EQUIPMENT INTENDED TO BE USED IN INDUSTRIAL LOCATIONS; HARMONISED STANDARD COVERING THE ESSENTIAL REQUIREMENTS OF ARTICLE 3.1(B) OF DIRECTIVE 2014/53/EU
PREN 50543 : DRAFT 2009 ELECTRONIC PORTABLE AND TRANSPORTABLE APPARATUS DESIGNED TO DETECT AND MEASURE CARBON DIOXIDE AND/OR CARBON MONOXIDE IN INDOOR AMBIENT AIR - REQUIREMENTS AND TEST METHODS
06/30150303 DC : DRAFT MAY 2006 EN 50291-1 - ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
DIN EN 50241-2 : 2000 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES - PART 2: PERFORMANCE REQUIREMENTS FOR APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES
13/30260728 DC : 0 BS EN 50402 - 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
09/30214233 DC : 0 BS EN 50543 - ELECTRONIC PORTABLE AND TRANSPORTABLE APPARATUS DESIGNED TO DETECT AND MEASURE CARBON DIOXIDE AND/OR CARBON MONOXIDE IN INDOOR AMBIENT AIR - REQUIREMENTS AND TEST METHODS
13/30276473 DC : 0 BS EN 45544-2 - 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 MANAGEMENT
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
CEI EN 50379-2 : 2012 SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 2: PERFORMANCE REQUIREMENTS FOR APPARATUS USED IN STATUTORY INSPECTIONS AND ASSESSMENT
02/203342 DC : DRAFT FEB 2002 PREN 50379-2 - SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 2: PERFORMANCE REQUIREMENTS FOR APPARATUS USED IN STATUTORY INSPECTIONS AND ASSESSMENT
I.S. EN 50291-1:2010 GAS DETECTORS - ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
BS EN 60079-29-4:2010 Explosive atmospheres Gas detectors. Performance requirements of open path detectors for flammable gases
BS EN 60079-29-1:2007 Explosive atmospheres Gas detectors. Performance requirements of detectors for flammable gases
I.S. EN 50543:2011 ELECTRONIC PORTABLE AND TRANSPORTABLE APPARATUS DESIGNED TO DETECT AND MEASURE CARBON DIOXIDE AND/OR CARBON MONOXIDE IN INDOOR AMBIENT AIR - REQUIREMENTS AND TEST METHODS
I.S. 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
UNE-EN 50291-2:2011 Electrical apparatus for the detection of carbon monoxide in domestic premises - Part 2: Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises including recreational craft - Additional test methods and performance requirements
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
EN 50241-1 : 99 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
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 EN 50543 : 2011 ELECTRONIC PORTABLE AND TRANSPORTABLE APPARATUS DESIGNED TO DETECT AND MEASURE CARBON DIOXIDE AND/OR CARBON MONOXIDE IN INDOOR AMBIENT AIR - REQUIREMENTS AND TEST METHODS
BS EN 50379-3:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances Performance requirements for apparatus used in non-statutory servicing of gas fired heating appliances
DIN ISO 16000-29:2015-02 INDOOR AIR - PART 29: TEST METHODS FOR VOC DETECTORS (ISO 16000-29:2014)
BS EN 45544-2:2015 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
08/30184950 DC : DRAFT JULY 2008 BS EN 50291-1 - ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
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
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
CEI 216-5/3 : 2002 ELECTRICAL EQUIPMENT FOR THE DETECTION AND THE MEASUREMENT OF FLAMMABLE VAPOURS OR GASES OR TOXIC AND OF OXYGEN FOR CONTINUOUS OPERATION IN FIXED INSTALLATIONS IN NON-HAZARDOUS AREAS - PART 3:GENERAL REQUIREMENTS AND TEST METHODS FOR DETECTORS OF GASES AND FLAMMABLE VAPOURS WITH PROPORTIONAL OUTPUTS
BS EN 50379-1:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances General requirements and test methods
I.S. 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
UNE-EN 50379-2:2013 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 2: Performance requirements for apparatus used in statutory inspections and assessment
CEI EN 50291-2 : 2011 ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES - PART 2: ELECTRICAL APPARATUS FOR CONTINUOUS OPERATION IN A FIXED INSTALLATION IN RECREATIONAL VEHICLES AND SIMILAR PREMISES INCLUDING RECREATIONAL CRAFT - ADDITIONAL TEST METHODS AND PERFORMANCE REQUIREMENTS
I.S. EN 50379-2:2012 SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 2: PERFORMANCE REQUIREMENTS FOR APPARATUS USED IN STATUTORY INSPECTIONS AND ASSESSMENT
I.S. EN 50194-1:2009 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 1: TEST METHODS AND PERFORMANCE REQUIREMENTS
I.S. EN 50379-3:2012 SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 3: PERFORMANCE REQUIREMENTS FOR APPARATUS USED IN NON-STATUTORY SERVICING OF GAS FIRED HEATING APPLIANCES
I.S. 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
I.S. EN 50379-1:2012 SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
UNE-EN 50379-3:2013 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 3: Performance requirements for apparatus used in non-statutory servicing of gas fired heating appliances
DIN ISO 16000-29 E : 2015 INDOOR AIR - PART 29: TEST METHODS FOR VOC DETECTORS (ISO 16000-29:2014)
BS EN 50194-1:2009 Electrical apparatus for the detection of combustible gases in domestic premises Test methods and performance requirements
02/203343 DC : DRAFT FEB 2002 PREN 50379-3 - SPECIFICATION FOR PORTABLE ELECTRICAL APPARATUS DESIGNED TO MEASURE COMBUSTION FLUE GAS PARAMETERS OF HEATING APPLIANCES - PART 3: PERFORMANCE REQUIREMENTS FOR APPARATUS USED IN NON-STATUTORY SERVICING OF GAS FIRED HEATING APPLIANCES
BS EN 61779-1:2000 Electrical apparatus for the detection and measurement of flammable gases General requirements and test methods
I.S. EN 60079-29-1:2016 EXPLOSIVE ATMOSPHERES - PART 29-1: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF DETECTORS FOR FLAMMABLE GASES
CEI 216-5/2 : 2002 ELECTRICAL EQUIPMENT FOR THE DETECTION AND THE MEASUREMENT OF BURNING VAPOURS OR GASES OR TOXIC AND OF OXYGEN FOR CONTINUOUS OPERATION IN FIXED INSTALLATIONS IN NON-HAZARDOUS AREAS PART 2:GENERAL REQUIREMENTS AND TEST METHODS FOR DETECTORS OF GASES AND FLAMMABLE VAPOURS WITH ONE OR MORE FIXED ALARM LEVELS
NF EN 60079-29-4 : 2010 EXPLOSIVE ATMOSPHERES - PART 29-4: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF OPEN PATH DETECTORS FOR FLAMMABLE GASES
I.S. EN 50291-2:2010 ELECTRICAL APPARATUS FOR THE DETECTION OF CARBON MONOXIDE IN DOMESTIC PREMISES - PART 2: ELECTRICAL APPARATUS FOR CONTINUOUS OPERATION IN A FIXED INSTALLATION IN RECREATIONAL VEHICLES AND SIMILAR PREMISES INCLUDING RECREATIONAL CRAFT - ADDITIONAL TEST METHODS AND PERFORMANCE REQUIREMENTS
ISO 16000-29:2014 Indoor air Part 29: Test methods for VOC detectors
I.S. EN 60079-29-4:2010 EXPLOSIVE ATMOSPHERES - PART 29-4: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF OPEN PATH DETECTORS FOR FLAMMABLE GASES
I.S. EN 50241-1:1999 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - GENERAL REQUIREMENTS AND TEST METHODS
EN 50379-2:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 2: Performance requirements for apparatus used in statutory inspections and assessment
EN 61779-1 : 2000 AMD 11 2004 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
EN 50104:2010 Electrical apparatus for the detection and measurement of oxygen - Performance 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 45544-2 : 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 50194:2000 Electrical apparatus for the detection of combustible gases in domestic premises - Part 1: Test methods and performance requirements
EN 50194-2 : 2006 AMD 1 2016 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 2: ELECTRICAL APPARATUS FOR CONTINUOUS OPERATION IN A FIXED INSTALLATION IN RECREATIONAL VEHICLES AND SIMILAR PREMISES - ADDITIONAL TEST METHODS AND PERFORMANCE REQUIREMENTS
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
EN 50291-2:2010 Electrical apparatus for the detection of carbon monoxide in domestic premises - Part 2: Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises including recreational craft - Additional test methods and performance requirements
EN 50194-1:2009 Electrical apparatus for the detection of combustible gases in domestic premises - Part 1: Test methods and performance requirements
EN 50545-1:2011/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

IEC 61000-4-8 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-8: TESTING AND MEASUREMENT TECHNIQUES - POWER FREQUENCY MAGNETIC FIELD IMMUNITY TEST
EN 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements
EN 50104:2010 Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods
EN 61326-3-2:2008 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 3-2: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - Industrial applications with specified electromagnetic environment
IEC 61000-6-4:2006+AMD1:2010 CSV ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-4: GENERIC STANDARDS - EMISSION STANDARD FOR INDUSTRIAL ENVIRONMENTS
EN 61000-6-1:2007 Electromagnetic compatibility (EMC) - Part 6-1: Generic standards - Immunity for residential, commercial and light-industrial environments
IEC 61326-3-2:2017 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 3-2: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - Industrial applications with specified electromagnetic environment
EN 50379-3:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 3: Performance requirements for apparatus used in non-statutory servicing of gas fired heating appliances
EN 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements
EN 60079-29-4:2010 Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases
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
IEC 61000-4-4 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST
EN 61000-6-3:2007/A1:2011/AC:2012 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-3: GENERIC STANDARDS - EMISSION STANDARD FOR RESIDENTIAL, COMMERCIAL AND LIGHT-INDUSTRIAL ENVIRONMENTS (IEC 61000-6-3:2006/A1:2010)
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 60079-29-1:2016 Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases
EN 61000-4-11:2004/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-11: TESTING AND MEASUREMENT TECHNIQUES - VOLTAGE DIPS, SHORT INTERRUPTIONS AND VOLTAGE VARIATIONS IMMUNITY TESTS (IEC 61000-4-11:2004/A1:2017)
IEC 61000-6-2:2016 Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity standard for industrial environments
IEC 61000-4-11:2004+AMD1:2017 CSV Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests
IEC 61326-3-2 : 2.0 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - EMC REQUIREMENTS - PART 3-2: IMMUNITY REQUIREMENTS FOR SAFETY-RELATED SYSTEMS AND FOR EQUIPMENT INTENDED TO PERFORM SAFETY-RELATED FUNCTIONS (FUNCTIONAL SAFETY) - INDUSTRIAL APPLICATIONS WITH SPECIFIED ELECTROMAGNETIC ENVIRONMENT
IEC 61000-6-1 : 3.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-1: GENERIC STANDARDS - IMMUNITY STANDARD FOR RESIDENTIAL, COMMERCIAL AND LIGHT-INDUSTRIAL ENVIRONMENTS
EN 50194-2 : 2006 AMD 1 2016 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - PART 2: ELECTRICAL APPARATUS FOR CONTINUOUS OPERATION IN A FIXED INSTALLATION IN RECREATIONAL VEHICLES AND SIMILAR PREMISES - ADDITIONAL TEST METHODS AND PERFORMANCE REQUIREMENTS
EN 50379-2:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 2: Performance requirements for apparatus used in statutory inspections and assessment
IEC 61000-4-8:2009 Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test
IEC 61000-4-4:2012 RLV Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test
EN 61000-4-2:2009 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
IEC 61508-4:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations (see Functional Safety and IEC 61508)
IEC 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508)
IEC 60079-29-4:2009 Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases
EN 50291-2:2010 Electrical apparatus for the detection of carbon monoxide in domestic premises - Part 2: Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises including recreational craft - Additional test methods and performance requirements
IEC 61000-4-6 : 4.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-6: TESTING AND MEASUREMENT TECHNIQUES - IMMUNITY TO CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY FIELDS
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
IEC 61000-4-6:2013 Electromagnetic compatibility (EMC) - Part 4-6: Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields
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 61000-4-3 : 2006 AMD 2 2010 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-3: TESTING AND MEASUREMENT TECHNIQUES - RADIATED, RADIO-FREQUENCY, ELECTROMAGNETIC FIELD IMMUNITY TEST
EN 60079-11:2012 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
EN 61326-1:2013 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 1: General requirements
IEC 61000-6-3:2006+AMD1:2010 CSV Electromagnetic compatibility (EMC) - Part 6-3: Generic standards - Emission standard for residential, commercial and light-industrial environments
IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
EN 50545-1:2011/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
EN 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems
(INVALID RECORD) EN 50543:2011/AC:2011 ELECTRONIC PORTABLE AND TRANSPORTABLE APPARATUS DESIGNED TO DETECT AND MEASURE CARBON DIOXIDE AND/OR CARBON MONOXIDE IN INDOOR AMBIENT AIR - REQUIREMENTS AND TEST METHODS
EN 61000-6-2:2005/corrigendum:2005 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY FOR INDUSTRIAL ENVIRONMENTS (IEC 61000-6-2:2005)
EN 61000-4-8:2010 Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test
EN 61000-6-4:2007/A1:2011 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-4: GENERIC STANDARDS - EMISSION STANDARD FOR INDUSTRIAL ENVIRONMENTS
IEC 61000-4-2:2008 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
IEC 61000-4-3:2006+AMD1:2007+AMD2:2010 CSV Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
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
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
IEC 61000-6-1:2016 Electromagnetic compatibility (EMC) - Part 6-1: Generic standards - Immunity standard for residential, commercial and light-industrial environments
IEC 61000-6-4:2006+AMD1:2010 CSV Electromagnetic compatibility (EMC) - Part 6-4: Generic standards - Emission standard for industrial environments
EN 50379-1:2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 1: General requirements and test methods
EN 50194-1:2009 Electrical apparatus for the detection of combustible gases in domestic premises - Part 1: Test methods and performance requirements
EN 61000-4-4:2012 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST (IEC 61000-4-4:2012)
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
EN 61000-4-6:2014/AC:2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-6: TESTING AND MEASUREMENT TECHNIQUES - IMMUNITY TO CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY FIELDS (IEC 61000-4-6:2013)
IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
IEC 61000-4-29:2000 Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests
IEC 61000-6-2 : 3.0:2016 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY STANDARD FOR INDUSTRIAL ENVIRONMENTS
IEC 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508)
EN 61000-4-29:2000 Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests
EN 61508-4:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations
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

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