SIST EN 60068-2-18:2017

SLOVENSKI STANDARD
01-september-2017
1DGRPHãþD
SIST EN 60068-2-18:2002
Okoljsko preskušanje - 2-18. del: Preskusi - Preskus R in navodilo: Voda (IEC
60068-2-18:2017)
Environmental testing - Part 2-18: Tests - Tests R and guidance: Water (IEC 60068-2-
18:2017)
Umweltprüfungen - Teil 2-18: Prüfungen, Prüfung R und Leitfaden: Wasser (IEC 60068-2
-18:2017)
Essais d'environnement - Partie 2-18: Essais - Essai R et guide: Eau (IEC 60068-2-
18:2017)
Ta slovenski standard je istoveten z: EN 60068-2-18:2017
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60068-2-18

NORME EUROPÉENNE
EUROPÄISCHE NORM
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 60068-2-18:2017)
Essais d'environnement -  Umgebungsprüfungen -
Partie 2-18: Essais - Essai R et guide: Eau Teil 2-18: Prüfungen, Prüfung R und Leitfaden: Wasser
(IEC 60068-2-18:2017) (IEC 60068-2-18:2017)
This 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 references 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 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 Yugoslav 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 Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für 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. EN 60068-2-18:2017 E
European foreword
The text of document 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:
(dop) 2018-01-14
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-04-14
standards conflicting with the
document have to be withdrawn
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 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 the standard indicated:

IEC 60529 NOTE Harmonized as EN 60529.
IEC 60068-2-18 ®
Edition 3.0 2017-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Environmental testing –
Part 2-18: Tests – Test R and guidance: Water

Essais d’environnement –
Partie 2-18: Essais – Essai R et guide: Eau

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 19.040 ISBN 978-2-8322-4019-9

– 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 . 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 . 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: 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 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 specification . 23
6.4 Method Rb 3: fan jet . 23
6.4.1 General description of the test . 23
6.4.2 Severities . 24

IEC 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
7.2.1 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 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 given 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 specimen . 30
A.3 Water quality for tests R .
...