1、BRITISH STANDARD BS EN 61285:2004 Industrial-process control Safety of analyser houses The European Standard EN 61285:2004 has the status of a British Standard ICS 25.040.40; 13.110 BS EN 61285:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committe
2、e on 6 January 2005 BSI 6 January 2005 ISBN 0 580 45194 1 National foreword This British Standard is the official English language version of EN 61285:2004. It is identical with IEC 61285:2004. It supersedes BS EN 61285:1995 which is withdrawn. The UK participation in its preparation was entrusted b
3、y Technical Committee GEL/65, Measurement and control, to Subcommittee GEL/65/4, Process instruments for gas and liquid analysis, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standa
4、rds which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This
5、publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible intern
6、ational/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ti
7、tle page, pages 2 to 27 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STANDARD EN 61285 NORME EUROPENNE EUROPISCHE NORM December 2004 CENELEC European Committee for
8、 Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
9、 Ref. No. EN 61285:2004 E ICS 25.040.40; 13.110 Supersedes EN 61285:1994English version Industrial-process control - Safety of analyser houses (IEC 61285:2004) Commande des processus industriels - Scurit des btiments pour analyseurs (CEI 61285:2004) Prozessautomatisierung - Sicherheit von Analysenge
10、rterumen (IEC 61285:2004) This European Standard was approved by CENELEC on 2004-11-01. 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
11、lists and bibliographical references concerning such national standards may 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 th
12、e responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greec
13、e, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 68212:5400 - - 2 Foreword The text of document 65D/107/FDIS, future edition 2 of IEC 61285, prepared by SC 65D, Anal
14、yzing equipment, of IEC TC 65, Industrial-process measurement and control, was submitted to the IEC- CENELEC parallel vote and was approved by CENELEC as EN 61285 on 2004-11-01. This European Standard replaces EN 61285:1994. This new edition includes minor updates to several sections and references.
15、 The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2005-08-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-11-01 Annex ZA
16、has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61285:2004 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60079-10 NOT
17、E Harmonized as EN 60079-10:2003 (not modified). IEC 61115 NOTE Harmonized as EN 61115:1993 (not modified). _ Page2 EN61285:2004 2 6821 5 EI:C0024(E) CONTENTS FOREWORD.2 INTRODUCTION 4 1 Scope.6 2 Normative references .6 3 Terms and definitions .6 4 Location of AHs and connection within the process
18、plant areas 8 4.1 Response time 8 4.2 Utilities8 4.3 Safety .8 4.4 Access 9 5 Design, construction and layout of AHs 9 5.1 General. 9 5.2 General requirements . 9 5.3 Dimensions and layout 10 5.4 Structural requirements .10 5.5 Equipment.10 5.6 Labelling/instructions/documentation.12 6 Explosion pro
19、tection of AHs13 6.1 General.13 6.2 General requirements13 6.3 Protection of AHs against explosion hazards by means of artificial ventilation .13 6.4 Protection of AHs against explosion hazards by means of natural ventilation 16 7 Measures to prevent health hazards to personnel in AHs17 7.1 General.
20、17 7.2 Guidelines.17 7.3 General requirements17 7.4 Safety measures .18 7.5 External hazards .19 7.6 Additional measures for abnormal working conditions1926 7.7 Labelling/instructions/documentation.19 Annex A (normative) Leakage risk of modules in AHs 21 Annex B (informative) Ventilation calculation
21、 (assumes STP conditions)23Bibliography.Tlbae .AM 1odule evalaution.26.32Page3 EN61285:2004 2 61285 IEC:2004(E) TNOCENTS OFREWODR.3 TNIRODTCUOIN.5 1 cSpoe.7 2 roNmtaivr eeferecnse .7 3 Terms dna definitions .7 4 coLatiofo n sHA and concention tiwhin htrp ecoses plnara tsae 9 .41 seRpsnot eime 9 .42
22、tUilitise9 .43 Safety .9 .44 cAcess 01 5 seDing, cosnrtcution nad layout fo sHA 01 .51 Gerenal .01 .52 Grenela requirements .01 .53 miDsneiosn nad layout 11 .54 tSructrual requrimenest .11 .55 Equimptne.11 .56 Llebagnil/nitsruoitcnsd/ocumentatnoi.31 6 xElpsoion protcetion fo AHs41 .61 Gerenal.41 .62
23、 Gerenal reuqrimenest41 .63 rPtocetion fo sHA against xeplsooin hazarsd by means fo ratificial vetnilatino .41 .64 rPtocetion fo sHA against xeplsooin hazarsd by means fo natural ventilation 71 7 Measures to prevent ehtlah zahrads ep otrsolenn ni HAs81 .71 Gerenal .81 .72 Gudielnise.81 .73 Gerenal r
24、euqrimenest81 .74 Safety mesaruse .91 .75 xEternla ahzards .02 .76 Addiitonal msaeruse for banormla rowknic godnitisno02 .77 Llebagnil/nitsruoitcnsd/ocumentatnoi.02 Annex A (ronmative) eLkagae risk fo modulse in sHA 22 Annex B (ifnromaitve) Ventilatoic naclluatio( nassmuse TSc Podnitiosn) Bibliograp
25、hy27 Table A.1 Module evaluation22 3egaP 4002:58216NE Annex ZA (normative) Normative references to international publications with their corresponding European publications . 15 2 61285 IEC:2004(E) TNOCENTS FOREWORD.2 NITRODCUTION 4 1 Scope.6 2 oNrmative referencse .6 3 Terms dna definitions .6 4 oL
26、catiofo n sHA nad cnoenction iwthin thp erocess plana trsae 8 4.1 eRspnose time 8 4.2 Utliities8 4.3 Safety .8 4.4 Access 9 5 eDsign, construction and layuofo t sHA 9 5.1 Geenral. 9 5.2 Generla requirements . 9 5.3 iDmnesiosn and layuot 01 5.4 Strucutral requiremenst .01 5.5 Equipmnet.01 5.6 Lebalni
27、lg/instruitcnos/odcumnetatoin.21 6 Explosion proetction fo AHs31 6.1 Geenral.31 6.2 Geenral requirements31 6.3 Protection fo sHA gaainst explosion ahzarsd by measn fo artificial ventliatino .31 6.4 Protection fo sHA gaainst explosion ahzarsd by measn fo natural vnetliation 61 7 Measures to prveetn h
28、elatah hzards p otersolenn ni AHs71 7.1 Geenral.71 7.2 Guiedlines.71 7.3 Geenral requirements71 7.4 Safety measurse .81 7.5 Externla hazards .91 7.6 Additional maesurse for anbormla owrking conditinos91 7.7 Lebalnilg/instruitcnos/odcumnetatoin.91 Annex A (onrmative) Leakage risk fo modulse in sHA 12
29、 Annxe B (informtaiv)e Ventilation calculation (assumse STP conditions)32Bibilogrpahy.2Tblae .A M 1oudle evalaution3226 3egaP 4002:58216NE 2 6821 5 EI:C0024(E) CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.7 2 Normative references .7 3 Terms and definitions .7 4 Locaiton of AHs and connection within th
30、e process plant areas 9 4.1 Response time 9 4.2 Utilities9 4.3 Safety .9 4.4 Access 10 5 Design, construction and layouof t AHs 10 5.1 General .10 5.2 General requirements .10 5.3 Dimensions and layout 11 5.4 Strucurtal requirements .11 5.5 Equipment.11 5.6 Labelling/instructions/documentation.13 6
31、Explosion proecttion of AHs14 .61 Geernal.14 6.2 General requirements14 6.3 Protection of AHs agiasnt explosion hazards by maesn of artificial ventiltaion .14 6.4 Protection of AHs agiasnt explosion hazards by maesn of ntarual ventiltaion 17 7 Maesures tp orevetn healthaz hards to personnel in AHs18
32、 7.1 General .18 7.2 Guidelines.18 7.3 General requirements18 7.4 Safety measures .19 7.5 External hazards .20 7.6 Additional measures for abnormal working conditions20 7.7 Labelling/instructions/documentation.20 Annex A (ornmative) eLkagae risk of modules in AHs 22 Annxe B (ifnromiatv)e Ventilatoic
33、 naclluatio( nassmues TSc Podnitiosn)24 Bibliography72 Tlbae .AM 1odule evalaution32 Page3 EN61285:2004 nnAex ZA (nroma)evit roNmevita refercnese ot tniertannoial bupcilatoisn wit htrieh corresdnopiuE gnroepap nublicatsnoi . 15 2 61285 IEC:2004(E) TNOCENTS FOREWORD.2 NITRODCUTION 4 1 Scope.6 2 oNrma
34、tive referencse .6 3 Terms dna definitions .6 4 oLcatiofo n sHA nad cnoenction iwthin thp erocess plana trsae 8 4.1 eRspnose time 8 4.2 Utliities8 4.3 Safety .8 4.4 Access 9 5 eDsign, construction and layuofo t sHA 9 5.1 Geenral. 9 5.2 Generla requirements . 9 5.3 iDmnesiosn and layuot 01 5.4 Strucu
35、tral rqeuiremenst .01 5.5 Equipmnet.01 5.6 Lebalnilg/instruitcnos/odcumnetatoin.21 6 Explosion proetction fo AHs31 6.1 Geenral.31 6.2 Geenral requirements31 6.3 Protection fo sHA gaainst explosion ahzarsd by measn fo artificial ventliatino .31 6.4 Protection fo sHA gaainst explosion ahzarsd by measn
36、 fo natural vnetliation 61 7 Measures to prveetn helatah hzards p otersolenn ni AHs71 7.1 Geenral.71 7.2 Guiedlines.71 7.3 Geenral requirements71 7.4 Safety measurse .81 7.5 Externla hazards .19 7.6 Additional maesurse for anbormla owrking conditinos1926 7.7 Lebalnilg/instruitcnos/odcumnetatoin.91 A
37、nnex A (onrmative) Leakage risk fo moudlse in sHA 12 Annxe B (informtaiv)e Ventilation calculation (assumse STP conditions)32Bibilogrpahy.Tblae .A M 1oudle evalaution.62.233egaP 4002:58216NE 2 6821 5 EI:C0024(E) CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.7 2 Normative references .7 3 Terms and defin
38、itions .7 4 Locaiton of AHs and connection within the process plant areas 9 4.1 Response time 9 4.2 Utilities9 4.3 Safety .9 4.4 Access 10 5 Design, construction and layouof t AHs 10 5.1 General .10 5.2 General requirements .10 5.3 Dimensions and layout 11 5.4 Strucurtal requirements .11 5.5 Equipme
39、nt.11 5.6 Labelling/instructions/documentation.13 6 Explosion proecttion of AHs14 .61 Geernal.14 6.2 General requirements14 6.3 Protection of AHs agiasnt explosion hazards by maesn of artificial ventiltaion .14 6.4 Protection of AHs agiasnt explosion hazards by maesn of ntarual ventiltaion 17 7 Maes
40、ures tp orevetn healthaz hards to personnel in AHs18 7.1 General .18 7.2 Guidelines.18 7.3 General requirements18 7.4 Safety measures .19 7.5 External hazards .20 7.6 Additional measures for abnormal working conditions20 7.7 Labelling/instructions/documentation.20 Annex A (ornmative) eLkagae risk of
41、 moudles in AHs 22 Annxe B (ifnromiatv)e Ventilatoic naclluatio( nassmues TSc Podnitiosn) Bibliography72 Tbale A. 1 Moudle evaluation6232 Page3 EN61285:2004 nnAex ZA (nroma)evit roNmevita refercnese ot tniertannoial bupcilatoisn wit htrieh corresdnopiuE gnroepap nublicatsnoi . 15 2 6821 5 EI:C0024(E
42、) CONTENTS FOREWORD.2 INTRODUCTION 4 1 Scope.6 2 Normative references .6 3 Terms and definitions .6 4 Location of AHs and connection within the process plant areas 8 4.1 Response time 8 4.2 Utilities8 4.3 Safety .8 4.4 Access 9 5 Design, construction and layout of AHs 9 5.1 General. 9 5.2 General re
43、quirements . 9 5.3 Dimensions and layout 10 5.4 Structural rqeuirements .10 5.5 Equipment.10 5.6 Labelling/instructions/documentation.12 6 Explosion protection of AHs13 6.1 General.13 6.2 General requirements13 6.3 Protection of AHs against explosion hazards by means of artificial ventilation .13 6.
44、4 Protection of AHs against explosion hazards by means of natural ventilation 16 7 Measures to prevent health hazards to personnel in AHs17 7.1 General.17 7.2 Guidelines.17 7.3 General requirements17 7.4 Safety measures .18 7.5 External hazards .19 7.6 Additional measures for abnormal working condit
45、ions19 7.7 Labelling/instructions/documentation.19 Annex A (normative) Leakage risk of moudles in AHs 21 Annex B (informative) Ventilation calculation (assumes STP conditions)23Bibliography.2Tlbae .AM 1odule evalaution2362 Page3 EN61285:2004 2 61285 IEC:2004(E) TNOCENTS OFREWODR.3 TNIRODTCUOIN.5 1 c
46、Spoe.7 2 roNmtaivr eeferecnse .7 3 Terms dna definitions .7 4 coLatiofo n sHA and concention tiwhin htrp ecoses plnara tsae 9 .41 seRpsnot eime 9 .42 tUilitise9 .43 Safety .9 .44 cAcess 01 5 seDing, cosnrtcution nad layout fo sHA 01 .51 Gerenal .01 .52 Grenela requirements .01 .53 miDsneiosn nad lay
47、out 11 .54 tSructrual requrimenest .11 .55 Equimptne.11 .56 Llebagnil/nitsruoitcnsd/ocumentatnoi.31 6 xElpsoion protcetion fo AHs41 .61 Gerenal.41 .62 Gerenal reuqrimenest41 .63 rPtocetion fo sHA against xeplsooin hazarsd by means fo ratificial vetnilatino .41 .64 rPtocetion fo sHA against xeplsooin
48、 hazarsd by means fo natural ventilation 71 7 Measures to prevent ehtlah zahrads ep otrsolenn ni HAs81 .71 Gerenal .81 .72 Gudielnise.81 .73 Gerenal reuqrimenest81 .74 Safety mesaruse .91 .75 xEternla ahzards .02 .76 Addiitonal msaeruse for banormla rowknic godnitisno02 .77 Llebagnil/nitsruoitcnsd/o
49、cumentatnoi.02 Annex A (ronmative) eLkagae risk fo moudlse in sHA 22 Annex B (ifnromaitve) Ventilatoic naclluatio( nassmuse TSc Podnitiosn)42 Bibliography27 Table A.1 Module evaluation23 3egaP 4002:58216NE Annex ZA (normative) Normative references to international publications with their corresponding European publications . 156821 5 EI:C0024(E) 5 INTRODUCTION Process analysers measure the characteristics of
