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EN 50271:2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

16-03-2019

Published date

04-06-2010

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Design principles
5 Test of the digital unit
Annex A (normative) - Hardware-software integration test
Annex ZY (informative) - Significant changes between this
         European Standard and EN 50271:2001
Annex ZZ (informative) - Coverage of Essential Requirements
         of EC Directives

This European Standard specifies minimum requirements and tests for electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen using software and/or digital technologies. Additional requirements are specified if compliance with safety integrity level 1 (SIL 1) according to EN 61508 series is required for low demand mode of operation. NOTE 1 It is recommended to apply this European Standard for apparatus used for safety applications with SIL-requirement 1 instead of EN 50402. However, the technical requirements of EN 50271 and EN 50402 are the same for SIL 1. NOTE 2 For fixed apparatus used for safety applications with SIL-requirements higher than 1 EN 50402 is applicable. This European Standard is applicable to fixed, transportable and portable apparatus intended for use in domestic premises as well as commercial and industrial applications. This European Standard does not apply to external sampling systems, or to apparatus of laboratory or scientific type, or to apparatus used only for process control purposes. This European Standard supplements the requirements of the European Standards for the detection and measurement of flammable gases and vapours (e.g. EN 60079 29 1, EN 50241 1, EN 50241 2, EN 50194 1, EN 50194 2), toxic gases (e.g. EN 45544 series, EN 50291 1, EN 50291 2) or oxygen (e.g. EN 50104). NOTE 3 These European Standards will be mentioned in this European Standard as "metrological standards". NOTE 4 The examples above show the state of the standardisation for gas detection apparatus at the time of publishing this European Standard. There may be other metrological standards for which this European Standard is also applicable. This European Standard is a product standard which is based on EN 61508 series. It covers part of the phase 9 "realisation" of the overall safety life cycle defined in EN 61508 1.

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

Standards Relationship
VDE 0400-21 : 2011 Identical
DIN EN 50271 : 2011 Identical
NEN EN 50271 : 2010 Identical
PN EN 50271 : 2011 Identical
NF EN 50271 : 2010 Identical
SN EN 50271 : 2010 Identical
OVE/ONORM EN 50271 : 2011 Identical
UNE-EN 50271:2011 Identical
NBN EN 50271 : 2010 Identical
I.S. EN 50271:2010 Identical
CEI EN 50271 : 2011 Identical
BS EN 50271:2010 Identical

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
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
I.S. EN 50270:2015 ELECTROMAGNETIC COMPATIBILITY - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN
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
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 EN 50270:2015 Electromagnetic compatibility. Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
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
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 50104 : 2011 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF OXYGEN - PERFORMANCE REQUIREMENTS AND TEST METHODS
CEI EN 50495 : 2011 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
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 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
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 1755:2015 Industrial Trucks. Safety requirements and verification. Supplementary requirements for operation in potentially explosive atmospheres
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 50495:2010 Safety devices required for the safe functioning of equipment with respect to explosion risks
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
UNE-EN 50495:2010 Safety devices required for the safe functioning of equipment with respect to explosion risks
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
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
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
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
I.S. EN 50104:2010 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF OXYGEN - PERFORMANCE REQUIREMENTS AND TEST METHODS
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
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
DIN EN 1755:2016-02 Industrial Trucks - Safety requirements and verification - Supplementary requirements for operation in potentially explosive atmospheres
I.S. EN 1755:2015 INDUSTRIAL TRUCKS - SAFETY REQUIREMENTS AND VERIFICATION - SUPPLEMENTARY REQUIREMENTS FOR OPERATION IN POTENTIALLY EXPLOSIVE ATMOSPHERES
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
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
13/30257895 DC : 0 BS EN 1755 - SAFETY OF INDUSTRIAL TRUCKS - OPERATION IN POTENTIALLY EXPLOSIVE ATMOSPHERES - USE IN FLAMMABLE GAS, VAPOUR, MIST AND DUST
NF EN 50495 : 2010 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
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
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
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
KTA 2103 : 2015 COR 2017 EXPLOSION PROTECTION IN NUCLEAR POWER PLANTS WITH LIGHT WATER REACTORS (GENERAL AND CASE-SPECIFIC REQUIREMENTS)
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
UNE-EN 1755:2016 Industrial Trucks - Safety requirements and verification - Supplementary requirements for operation in potentially explosive atmospheres
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 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
13/30260741 DC : 0 BS EN 50270 - ELECTROMAGNETIC COMPATIBILITY - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN
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
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
PREN 1755 : DRAFT 2013 SAFETY OF INDUSTRIAL TRUCKS - OPERATION IN POTENTIALLY EXPLOSIVE ATMOSPHERES - USE IN FLAMMABLE GAS, VAPOUR, MIST AND DUST
DIN ISO 16000-29:2015-02 INDOOR AIR - PART 29: TEST METHODS FOR VOC DETECTORS (ISO 16000-29:2014)
BS EN 50495:2010 Safety devices required for the safe functioning of equipment with respect to explosion risks
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
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 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
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 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
EN 1755:2015 Industrial Trucks - Safety requirements and verification - Supplementary requirements for operation in potentially explosive atmospheres
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)
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
I.S. EN 60079-29-1:2016 EXPLOSIVE ATMOSPHERES - PART 29-1: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF DETECTORS FOR FLAMMABLE GASES
I.S. EN 50495:2010 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
PREN 50270 : DRAFT 2013 ELECTROMAGNETIC COMPATIBILITY - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN
NF EN 60079-29-4 : 2010 EXPLOSIVE ATMOSPHERES - PART 29-4: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF OPEN PATH DETECTORS FOR FLAMMABLE GASES
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
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 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 50270:2015 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
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 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 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3
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 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 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General 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 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 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures
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 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
IEC 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels (see Functional Safety and IEC 61508)
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)
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 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
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 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems
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
IEC 60079-29-2:2015 RLV Explosive atmospheres - Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
EN 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels
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 50194-1:2009 Electrical apparatus for the detection of combustible gases in domestic premises - Part 1: 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
IEC 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3 (see Functional Safety and IEC 61508)
IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
EN 60079-29-2:2015 Explosive atmospheres - Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
IEC 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures (see Functional Safety and IEC 61508)
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 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
1994/9/EC : 1994 DIRECTIVE 94/9/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 23 MARCH 1994 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
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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