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1、Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN50291:2001Electrical apparatus for the detection of carbon monoxide in domestic premises Test methods and performance requirementsThe European Standard EN 50291:2001 has th
2、e status of aBritish StandardICS 97.030; 13.120NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 50291:2001National forewordThis British Standard is the official English language version ofEN 50291:2001. It supersedes BS 7860:1996 which will be withdrawn on1 April 2006.The
3、UK participation in its preparation was entrusted by Technical Committee GEL/31/19, Gas detectors, to Subcommittee GEL/31/19/3, Domestic gas detectors, which has the responsibility to:aid enquirers to understand the text;present to the responsible European committee any enquiries on the interpretati
4、on, or proposals for change, and keep the UK interests informed;monitor related international and European developments and promulgate them in the UK.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which imple
5、ment international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue.A British Standard does not purpor
6、t to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 200
7、6, Uncontrolled Copy, (c) BSIThis British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on18 October 2001 BSI 18 October 2001ISBN 0 580 38540 XSummary o
8、f pagesThis document comprises a front cover, an inside front cover, the EN title page,pages 2 to 21 and a back cover.The BSI copyright date displayed in this document indicates when the document was last issued.Amd. No.DateCommentsAmendments issued since publicationEUROPEAN STANDARDEN 50291NORME EU
9、ROPENNEEUROPISCHE NORMAugust 2001ICS 13.320English versionElectrical apparatus for the detection of carbon monoxide in domestic premises -Test methods and performance requirementsAppareils lectriques pour la dtection de monoxyde de carbone dans les locaux usage domestique -Mthodes dessais et prescri
10、ptions de performancesElektrische Gerte fr die Detektion von Kohlenmonoxid in Wohnhusern - Prfverfahren und Anforderungen an das BetriebsverhaltenLicensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSIThis European Standard was approved by CENELEC o
11、n 2000-08-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may
12、 be obtained on application to the Central Secretariat or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to t
13、he Central Secretariat has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerl
14、and and United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC - All rights of exploitation in any form and b
15、y any means reserved worldwide for CENELEC members.Ref. No. EN 50291:2001 E- 11 - EN 50291:2001Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSIForewordThis European Standard has been prepared by the Technical Committee CENELEC TC 216, Gas det
16、ectors.The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50291 on2000-08-01.The following dates were fixed:-latest date by which the EN has to be implemented at national level by publication of an identicalnational standard or by endorsement(dop)2002-02-01-late
17、st date by which the national standards conflictingwith the EN have to be withdrawn (dow)2006-04-01Annexes designated normative are part of the body of the standard. Annexes designated informative are given for information only.In this standard, annexes A and B are informative._Licensed Copy: sheffi
18、eldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSIContents1Scope .42Norm ati v e ref erences .43Def i ni ti ons .54General requi rem ents .64.1General .64.2 Constructi on .64.3Indi cators and al arm s .74.4Faul t si gnal s .84.5Output si gnal (appl i cabl e f or ty
19、pe A apparatus onl y) .84.6Label l i ng and i nstructi ons .85Test and perf orm ance requi rem ents.95.1General requi rem ents f or tests .95.2Norm al condi ti ons f or tests . 105.3Test m ethods and perf orm ance requi rem ents . 116Sel f -contai ned battery powered apparatus . 176.1 Battery f aul
20、t warni ng . 176.2Battery capaci ty . 176.3 Battery rev ersal . 186.4Battery connecti ons . 18Annex A (i nf orm ati v e) Heal th ef f ects . 19Annex B (i nf orm ati v e) A-dev i ati ons . 21Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI1 Sc
21、opeThi s European Standard speci f i es general requi rem ents f or the constructi on, testi ng and perf orm ance of el ectri cal l y operated carbon m onox i de gas detecti on apparatus, desi gned f or conti nuous operati on i n dom esti c prem i ses. The apparatus m ay be m ai ns or battery powere
22、d. Such apparatus i s i ntended to warn of an accum ul ati on of CO, enabl i ng the occupant to react bef ore bei ng ex posed to si gni f i cant ri sk.Thi s standard speci f i es two types of apparatus, these are:Type A - to prov i de a v i sual and audi bl e al arm and an ex ecuti v e acti on i n t
23、he f orm of an output si gnal that can be used to actuate di rectl y or i ndi rectl y a v enti l ati on or other ancillary dev ice.Type B - to prov i de a v i sual and audi bl e al arm onl y. Thi s standard ex cl udes apparatus:- f or the detecti on of com busti bl e gases, other than carbon m onox
24、i de i tsel f ; (seeEN 50194:2000);- f or the detecti on of CO i n i ndustri al i nstal l ati ons or com m erci al prem i ses; (see EN 45544 seri es);- f or use i n boats, carav ans or m obi l e hom es;- f or CO m easurem ent f or sm oke and f i re detecti on (see prEN 12239).2 Normative referencesT
25、his European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publ
26、ications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies.EN 502701999El ectrom agneti c com pati bility - El ectrical apparatus f or theEN 502922001ox ygenEl ectri cal apparatus f
27、or the detecti on of carbon m onox i de i ndom esti c prem i ses Gui de on the sel ecti on, i nstal l ati on, use andm ai ntenanceEN 60335-11994Saf ety of househol d and si m i l ar el ectri cal appl i ancesPart 1: General requi rem ents (IEC 60335-1:1991, m od.)EN 605291991Degrees of protecti on pr
28、ov i ded by encl osures (IP code) (IEC 60529:1989)EN 60704-11997Househol d and si m i l ar el ectri cal appl i ances - Test code f or the determ i nati on of ai rborne acousti cal noi sePart 1: General requi rem ents (IEC 60407-1:1997)detecti on and m easurem ent of com busti bl e gases, tox i c gas
29、es orLicensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI3 DefinitionsFor the purposes of thi s European Standard the f ol l owi ng def i ni ti ons appl y:3.1ambient airthe norm al atm osphere surroundi ng the apparatus3.2clean airai r whi ch i s
30、 f ree of carbon m onox i de, i nterf eri ng and contam i nati ng substances3.3domestic premisesany house or bui l di ng bei ng a pl ace of resi dence or hom e of a househol d, f am i l y or person3.4fixed installationan apparatus whi ch i s i ntended to hav e al l parts ex cept repl aceabl e batter
31、i es perm anentl y installed3.5latching alarman al arm whi ch, once acti v ated, requi res del i berate acti on f or resetti ng3.6sensoran assem bl y i n whi ch the sensi ng el em ent i s housed and whi ch m ay contai n associ ated ci rcui t com ponents3.7sensing elementa dev ice, the output of whic
32、h will change i n the presence of carbon m onox i de3.8volume ratio (V/V)rati o of the v ol um e of a com ponent to the v ol um e of the gas m i x ture3.9output signala si gnal characteri sed by a standby and an acti v ati on state by whi ch acti on m ay be i ni ti ated, e.g. tri ggeri ng a v enti l
33、 ati on dev i ce3.10warm-up timethe ti m e i nterv al between the ti m e when the apparatus i s swi tched on and the ti m e when the apparatus i s f ul l y operati onal3.11alarm set pointa f i x ed setti ng of the apparatus that determ i nes the v ol um e rati o and durati on of ex posure at whi ch
34、the apparatus will autom atically initiate an al arm and, f or type A apparatus an output si gnalLicensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI3.12fault signala v i sual and/or audi bl e si gnal i ndi cati ng a f aul ty or f ai l ed apparat
35、us3.13mains-powered apparatusan apparatus desi gned to be powered by the norm al dom esti c m ai ns el ectri cal suppl y, wi th or wi thout an al ternati v e power source3.14battery-powered apparatusan apparatus desi gned to be powered by batteri es onl y3.15continuous operationapparatus whi ch i s
36、conti nuousl y powered wi th conti nuous or i nterm i ttent autom ati c sensi ng4 General requirements4.1 GeneralUnl ess otherwi se stated, the requi rem ents speci f i ed are appl i cabl e to both type A and type Bapparatus.The apparatus shal l rel i abl y detect the presence of carbon m onox i de
37、i n dom esti c prem i ses under the stated appl i cati on condi ti ons, shal l produce an al arm , and in the case of Type A apparatus, shall be able to initiate executive actions whenever the conditions (in terms of both level and duration) exceed pre-set alarm set points.Apparatus whi ch i ncl ude
38、s f uncti onal i ty addi ti onal to carbon m onox i de detecti on shal l perf orm accordi ng to the requi rem ents of thi s standard and to the requi rem ents of any standards rel ev ant to the addi ti onal f uncti onal i ty.The apparatus, el ectri cal assem bl i es and com ponents shal l com pl y w
39、i th the requi rem ents of4.2 to 4.6 and the perf orm ance requi rem ents of cl ause 5. Apparatus shal l be desi gned f or conti nuous operati on. The apparatus shal l not be cl ass 0 as def i ned i n EN 60335-1.4.2 ConstructionThe apparatus shall comply with the appropriate requirements of EN 60335-1 as listed in Table 1.Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 02:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSITable 1 - Construction requirementsC onstr uctional r equir ementEN 60335-1:1994 clauseProtec tion agains t ac c es s ibility to live parts8H eatingrelevant p