1、Environmental testingPart 2-18: Tests Test R and guidance: Water (IEC 60068-2-18:2017)BS EN 60068-2-18:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60068-2-18 June 2017 ICS 19.040 Supersedes EN 60068-2-18:20
2、01 English Version Environmental testing - Part 2-18: Tests - Test R and guidance: Water (IEC 60068-2-18:2017) Essais denvironnement - Partie 2-18: Essais - Essai R et guide: Eau (IEC 60068-2-18:2017) Umgebungsprfungen - Teil 2-18: Prfungen, Prfung R und Leitfaden: Wasser (IEC 60068-2-18:2017) This
3、European Standard was approved by CENELEC on 2017-04-14. 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 refer
4、ences concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre 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
5、 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yug
6、oslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechn
7、ical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No.
8、 EN 60068-2-18:2017 E National forewordThis British Standard is the UK implementation of EN 60068-2-18:2017. It is identical to IEC 60068-2-18:2017. It supersedes BS EN 60068-2-18:2001, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee GEL/104, Environme
9、ntal conditions, classification and testing.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standa
10、rds Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 89926 3ICS 19.040Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2017.Amendmen
11、ts/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60068-2-18:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60068-2-18 June 2017 ICS 19.040 Supersedes EN 60068-2-18:2001 English Version Environmental testing - Part 2-18: Tests - Test R and guidance: Water (IEC 6
12、0068-2-18:2017) Essais denvironnement - Partie 2-18: Essais - Essai R et guide: Eau (IEC 60068-2-18:2017) Umgebungsprfungen - Teil 2-18: Prfungen, Prfung R und Leitfaden: Wasser (IEC 60068-2-18:2017) This European Standard was approved by CENELEC on 2017-04-14. CENELEC members are bound to comply wi
13、th 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 be obtained on application to the CEN-CENELEC Mana
14、gement Centre 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 the CEN-CENELEC Management Centre has the
15、 same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
16、 Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Ele
17、ktrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60068-2-18:2017 E BS EN 60068-2-18:2017EN 60068-2-18:2017 2 European foreword The text of d
18、ocument 104/719/FDIS, future edition 3 of IEC 60068-2-18, prepared by IEC/TC 104 “Environmental conditions, classification and methods of test“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60068-2-18:2017. The following dates are fixed: latest date by which the docume
19、nt has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-01-14 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-04-14 This document supersedes EN 60068-2-18:2001. Attention is dra
20、wn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60068-2-18:2017 was approved by CENELEC as a Europe
21、an Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60529 NOTE Harmonized as EN 60529. 2 IEC 60068-2-18:2017 IEC 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and
22、definitions 8 4 Survey of water tests . 9 4.1 General . 9 4.2 Description of tests R: water . 9 5 Test Ra: falling drops 10 5.1 Object . 10 5.2 Method Ra 1: artificial rain 10 5.2.1 General description of the test . 10 5.2.2 Severities 11 5.2.3 Preconditioning 11 5.2.4 Initial measurements . 11 5.2.
23、5 Testing 11 5.2.6 Recovery . 12 5.2.7 Final measurements 12 5.2.8 Information to be given in the relevant specification . 12 5.3 Method Ra 2: drip box . 13 5.3.1 General description of the test . 13 5.3.2 Severities 13 5.3.3 Preconditioning 14 5.3.4 Initial measurements . 14 5.3.5 Testing 14 5.3.6
24、Recovery . 14 5.3.7 Final measurements 14 5.3.8 Information to be given in the relevant specification . 14 6 Test Rb: impacting water . 15 6.1 Object . 15 6.2 Method Rb 1: oscillating tube and spray nozzle . 15 6.2.1 General description of the test . 15 6.2.2 Method Rb 1.1: oscillating tube 15 6.2.3
25、 Method Rb 1.2: spray nozzle . 19 6.3 Method Rb 2: water jet 21 6.3.1 General description of the test . 21 6.3.2 Severities 21 6.3.3 Preconditioning 22 6.3.4 Initial measurements . 22 6.3.5 Testing 22 6.3.6 Recovery . 22 6.3.7 Final measurements 23 6.3.8 Information to be given in the relevant speci
26、fication . 23 6.4 Method Rb 3: fan jet . 23 6.4.1 General description of the test . 23 6.4.2 Severities 24 BS EN 60068-2-18:2017EN 60068-2-18:2017 2 European foreword The text of document 104/719/FDIS, future edition 3 of IEC 60068-2-18, prepared by IEC/TC 104 “Environmental conditions, classificati
27、on and methods of test“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60068-2-18:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018
28、-01-14 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-04-14 This document supersedes EN 60068-2-18:2001. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not
29、be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60068-2-18:2017 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for
30、the standard indicated: IEC 60529 NOTE Harmonized as EN 60529. 2 IEC 60068-2-18:2017 IEC 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 8 4 Survey of water tests . 9 4.1 General . 9 4.2 Description of tests R: water . 9 5 Test Ra: falling drops
31、 10 5.1 Object . 10 5.2 Method Ra 1: artificial rain 10 5.2.1 General description of the test . 10 5.2.2 Severities 11 5.2.3 Preconditioning 11 5.2.4 Initial measurements . 11 5.2.5 Testing 11 5.2.6 Recovery . 12 5.2.7 Final measurements 12 5.2.8 Information to be given in the relevant specification
32、 . 12 5.3 Method Ra 2: drip box . 13 5.3.1 General description of the test . 13 5.3.2 Severities 13 5.3.3 Preconditioning 14 5.3.4 Initial measurements . 14 5.3.5 Testing 14 5.3.6 Recovery . 14 5.3.7 Final measurements 14 5.3.8 Information to be given in the relevant specification . 14 6 Test Rb: im
33、pacting water . 15 6.1 Object . 15 6.2 Method Rb 1: oscillating tube and spray nozzle . 15 6.2.1 General description of the test . 15 6.2.2 Method Rb 1.1: oscillating tube 15 6.2.3 Method Rb 1.2: spray nozzle . 19 6.3 Method Rb 2: water jet 21 6.3.1 General description of the test . 21 6.3.2 Severit
34、ies 21 6.3.3 Preconditioning 22 6.3.4 Initial measurements . 22 6.3.5 Testing 22 6.3.6 Recovery . 22 6.3.7 Final measurements 23 6.3.8 Information to be given in the relevant specification . 23 6.4 Method Rb 3: fan jet . 23 6.4.1 General description of the test . 23 6.4.2 Severities 24 BS EN 60068-2
35、-18:2017IEC 60068-2-18:2017 IEC 2017 3 6.4.3 Preconditioning 24 6.4.4 Initial measurements . 24 6.4.5 Testing 24 6.4.6 Recovery . 24 6.4.7 Final measurements 24 6.4.8 Information to be given in the relevant specification . 25 7 Test Rc: immersion 25 7.1 Object . 25 7.2 Method Rc 1: water tank . 25 7
36、.2.1 General description . 25 7.2.2 Severities 25 7.2.3 Preconditioning 26 7.2.4 Initial measurements . 26 7.2.5 Testing 26 7.2.6 Recovery . 26 7.2.7 Final measurements 26 7.2.8 Information to be given in the relevant specification . 26 7.3 Method Rc 2: pressurized water chamber . 27 7.3.1 General d
37、escription of the test . 27 7.3.2 Severities 27 7.3.3 Preconditioning 27 7.3.4 Initial measurements . 27 7.3.5 Testing 27 7.3.6 Recovery . 28 7.3.7 Final measurements 28 7.3.8 Information to be given in the relevant specification . 28 Annex A (informative) Water characteristics to be considered when
38、 writing the relevant specification 29 A.1 General . 29 A.2 Purity 29 A.2.1 General . 29 A.2.2 Effect on test specimen . 29 A.2.3 Effect on test apparatus . 29 A.2.4 Ingress of water into the specimen 30 A.3 Water quality for tests R . 30 A.3.1 Test Ra: falling drops. 30 A.3.2 Test Rb: impacting wat
39、er . 30 A.3.3 Test Rc: immersion 30 Annex B (informative) General guidance 31 B.1 General . 31 B.2 Factors affecting the test severity . 31 Annex C (informative) Guidance for test Ra . 32 C.1 General . 32 C.2 Example of test apparatus 32 C.2.1 Method Ra 1: artificial rain . 32 C.2.2 Method Ra 2: dri
40、p box . 33 C.3 Verification of test apparatus 34 C.3.1 Intensity . 34 C.3.2 Drop size . 34 BS EN 60068-2-18:2017IEC 60068-2-18:2017 IEC 2017 3 6.4.3 Preconditioning 24 6.4.4 Initial measurements . 24 6.4.5 Testing 24 6.4.6 Recovery . 24 6.4.7 Final measurements 24 6.4.8 Information to be given in th
41、e relevant specification . 25 7 Test Rc: immersion 25 7.1 Object . 25 7.2 Method Rc 1: water tank . 25 7.2.1 General description . 25 7.2.2 Severities 25 7.2.3 Preconditioning 26 7.2.4 Initial measurements . 26 7.2.5 Testing 26 7.2.6 Recovery . 26 7.2.7 Final measurements 26 7.2.8 Information to be
42、given in the relevant specification . 26 7.3 Method Rc 2: pressurized water chamber . 27 7.3.1 General description of the test . 27 7.3.2 Severities 27 7.3.3 Preconditioning 27 7.3.4 Initial measurements . 27 7.3.5 Testing 27 7.3.6 Recovery . 28 7.3.7 Final measurements 28 7.3.8 Information to be gi
43、ven in the relevant specification . 28 Annex A (informative) Water characteristics to be considered when writing the relevant specification 29 A.1 General . 29 A.2 Purity 29 A.2.1 General . 29 A.2.2 Effect on test specimen . 29 A.2.3 Effect on test apparatus . 29 A.2.4 Ingress of water into the spec
44、imen 30 A.3 Water quality for tests R . 30 A.3.1 Test Ra: falling drops. 30 A.3.2 Test Rb: impacting water . 30 A.3.3 Test Rc: immersion 30 Annex B (informative) General guidance 31 B.1 General . 31 B.2 Factors affecting the test severity . 31 Annex C (informative) Guidance for test Ra . 32 C.1 Gene
45、ral . 32 C.2 Example of test apparatus 32 C.2.1 Method Ra 1: artificial rain . 32 C.2.2 Method Ra 2: drip box . 33 C.3 Verification of test apparatus 34 C.3.1 Intensity . 34 C.3.2 Drop size . 34 4 IEC 60068-2-18:2017 IEC 2017 C.3.3 Resistivity and pH value 34 Annex D (informative) Guidance for test
46、Rb . 36 D.1 General . 36 D.2 Example of test apparatus 36 D.2.1 Method Rb 1: oscillating tube and spray nozzle . 36 D.2.2 Method Rb 2: water jet . 37 D.2.3 Method Rb 3: fan jet nozzle . 38 Annex E (informative) Guidance for test Rc 45 E.1 General . 45 E.2 Example of test apparatus 45 E.2.1 Method Rc
47、 1: water tank 45 E.2.2 Method Rc 2: pressurized water chamber 45 E.3 Verification of test apparatus 45 Bibliography 46 Figure 1 Structuring of test methods and equivalence with the IP Code of IEC 60529 10 Figure 2 Test Ra, definitions of angles and axes 12 Figure C.1 Test Ra 1, test apparatus and m
48、easurement setup for drop sizes and intensity for artificial rain method 33 Figure C.2 Test Ra 2, recommended test apparatus for the drip box method 35 Figure D.1 Test Rb 1.1, recommended test apparatus for the oscillating tube method . 37 Figure D.2 Distribution of mean value of precipitation inten
49、sity in the oscillating tube area 39 Figure D.3 Test Rb 1.2, recommended test apparatus for the spray nozzle method 40 Figure D.4 Standard test nozzle for the water jet method (hose nozzle) . 40 Figure D.5 Standard test nozzle for the fan jet method . 41 Figure D.6 Fan jet nozzle resulting dimensions of spraying hole for checking purpose . 41 Figure D.7 Example of different quality achievements of the surface finish of the fan jet nozzle 42 Figure D.8 Set-up for measuring the impact force of the
