BS-EN-60721-3-7-1996 IEC-60721-3-7-1995.pdf
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1、BRITISH STANDARD BS EN 60721-3-7: 1996 IEC 721-3-7: 1995 Incorporating Amendment No. 1 Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 3.7 Portable and non-stationary use The European Standard EN 60721-3-7:1995 has
2、the status of a British Standard ICS 19.040 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 06:15:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60721-3-7:1996 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the au
3、thority of the Standards Board and comes into effect on 15 February 1996 BSI 04-2000 The following BSI references relate to the work on this standard: Committee reference GEL/50/-/1 Draft for comment 93/209314 DC ISBN 0 580 25138 1 Committees responsible for this British Standard The preparation of
4、this British Standard was entrusted by Technical Committee GEL/50, Environmental testing of electrotechnical products, to panel GEL/50/-/1, Coordination of IEC/TC 75 work, upon which the following bodies were represented: Federation of the Electronics Industry Society of Motor Manufacturers and Trad
5、ers Limited Amendments issued since publication Amd. No.DateComments 9515June 1997Indicated by a sideline in the margin Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 06:15:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60721-3-7:1996 BSI 04-2000i Contents Page Committees responsibleIns
6、ide front cover National forewordii Foreword2 Text of EN 60721-3-73 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 06:15:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60721-3-7:1996 ii BSI 04-2000 National foreword This Section of BS EN 60721 has bee
7、n prepared by panel GEl/50/-/1 and is the English language version of EN 60721-3-7:1995 Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 7: Portable and non-stationary use including amendment A1:1997, published by th
8、e European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 721-3-7:1995 including Amendment 1:1996 published by the International Electrotechnical Commission (IEC). This standard supersedes BS EN 60721-3-7:1993 which is withdrawn. A British Standard does not purpor
9、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. Cross-references Publication referred toCorresponding British Standard HD 4
10、78.1 S2:1994a (IEC 721-1:1990) BS EN 60721 Classification of environmental conditions Part 1:1996 Environmental parameters and their severities HD 478.2.1 S1:1989 (IEC 721-2-1:1982) BS 7527 Classification of environmental conditions Part 2 Environmental conditions appearing in nature Section 2.1:199
11、1 Temperature and humidity BS EN 60721 Classification of environmental conditions Part 3 Classification of groups of environmental parameters and their severities EN 60721-3-0:1993 (IEC 721-3-0:1984) Section 3.0:1993 Introduction EN 60721-3-2:1993 (IEC 721-3-2:1985) Section 3.2:1993 Transportation E
12、N 60721-3-3:1995 (IEC 721-3-3:1994) Section 3.3:1995 Stationary use at weatherprotected locations EN 60721-3-4:1995 (IEC 721-3-4:1995) Section 3.4:1995 Stationary use at non-weatherprotected locations a HD 478.1 S2 has now been converted into EN 60721-1:1995 and this has been implemented as BS EN 60
13、721-1:1996. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 30, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in
14、the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 06:15:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60721-3-7 February 1995 + A1 January 1997 ICS 19.040Supersedes EN 60721-3-7:1993 and its amen
15、dment Descriptors: Environmental conditions, groups of environmental parameters, non-stationary locations English version Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 7: Portable and non-stationary use (includes
16、amendment A1:1997) (IEC 721-3-7:1995 + A1:1996) Classifications des conditions denvironnement Partie 3: Classification des groupements des agents denvironnement et de leurs svrits Section 7: Utilisation en dplacement (inclut lamendement A1:1997) (CEI 721-3-7:1995 + A1:1996) Klassifizierung von Umwel
17、tbedingungen Teil 3: Klassen von Umwelteinflugroen und deren Grenzwerte Hauptabschnitt 7: Ortsveranderlicher Einsatz (enthlt nderung A1:1997) (IEC 721-3-7:1995 + A1:1996) This European Standard was approved by CENELEC on 1994-10-04. CENELEC members are bound to comply with the CEN/CENELEC Internal R
18、egulations 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 Central Secretariat or to any CENELEC member.
19、 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 Central Secretariat has the same status as the official versions. CENELEC me
20、mbers are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit
21、Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. EN 60721-3-7:1995 + A1:1997 E Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 06:15:42 GMT+00
22、:00 2006, Uncontrolled Copy, (c) BSI EN 60721-3-7:1995 BSI 04-2000 2 Foreword The text of document 75(CO)105 + 105A, future amendment to IEC 721-3-7, prepared by IEC TC 75, Classification of environmental conditions, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amend
23、ment A3 to EN 60721-3-7:1993 on 1994-10-04. The text of this document, together with that of IEC 721-3-7:1987 and its amendments 1:1991 and 2:1993, was published by IEC as the second edition of IEC 721-3-7 in January 1995. According to a decision of principle taken by the Technical Board of CENELEC,
24、 the approval of EN 60721-3-7:1993/A3 has been converted into the approval of a new EN 60721-3-7. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. Annexes designated “informative” are given for information only. In this standard, Annex ZA is normat
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