International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference prEN 45544-1:2013
Title 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
Project Number 23415
Abstract/Scope This European Standard specifies general requirements and test methods for the determination of the performance characteristics of personal, portable, transportable and fixed, continuous duty electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours in workplace atmospheres. This European Standard is applicable to apparatus whose primary purpose is to provide an indication, alarm and/or other output function to give a warning of the presence of a toxic gas or vapour in the atmosphere and in some cases to initiate automatic or manual protective actions. It is applicable to apparatus in which the gas automatically generates an electrical signal. This European standard is not applicable to apparatus: – used for the measurement of oxygen; – used only in laboratories for analysis or measurement; - used only for process measurement purposes; – used in car parks or tunnels; - used in the domestic environment; - used in environmental air pollution monitoring; – used for the measurement of combustible gases and vapours related to the risk of explosion. It also does not apply to open-path (line of sight) area monitors. For apparatus used for sensing the presence of multiple gases this standard applies only to the detection of toxic gas or vapour.
Enquiry stage


Current Stage code 4060
Current Stage code date 2014-01-06
Current Stage code deadline 2014-01-27
Deadline date for vote  


Order Voucher  


IEC Technical Body  
Reference Document  
Keywords Workplace; Atmosphere; Detection; Toxic: Gaz
Note D139/C051: NWI approved and allocated to CEN/CLC/JWG CMI * Will supersede EN 45544-1:1999 * CLC lead * 9-month tolerance requested by SC 31-9 (see report of 2012-03-14 meeting), approved by CEN/CLC/JWG CMI convenor * Draft for enquiry available at CCMC 2013-04-12
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
4060 2014-01-06 2014-01-27 export to doc file  EN
4020 2013-07-26 2014-01-03 export to doc file  EN  FR  DE
3099 2013-05-02    
2020 2012-11-26    
1099 2011-06-01    
1000 2011-02-15 2011-05-31  

Implementation Dates

date of Ratification (DOR) (1)  
date of Availability (DAV) (2)  
date of Announcement (DOA) (3) -
date of Publication (DOP) (4) -
date of Withdrawal (DOW) (5) -


Supersedes EN 45544-1:1999
Superseded by  
Normative reference (6)  

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.