08-30176438-DC.pdf
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1、a Date: 15 January 2008 Origin: International Latest date for receipt of comments: 30 April 2008 Project no.: 2008/00202 Responsible committee: EPL/29 Electroacoustics Interested committees: Title: Draft BS EN 60645-1 ED.3 Electroacoustics - Audiometric equipment - Part 1: Pure-tone audiometers (Rev
2、ision of IEC 60645-1: 2001 and IEC 60645-4:1994) Supersession information: If this document is published as a standard, the UK implementation of it will supersede BSEN60645-1 : 2001;BSEN60645-4 : 1995 and partially supersede. NONE If you are aware of a current national standard which may be affected
3、, please notify the secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 April 2008. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to pu
4、blication. No acknowledgement will normally be sent. See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for
5、briefing purposes. Electronic circulation is limited to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email ordersbsi-. British, International and foreign standards are a
6、lso available from BSI Customer Services. Information on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to i
7、n this draft may be found via the British Standards Online Service on the BSI web site http:/www.bsi-. Direct tel: 020 8996 7205 Responsible Committee Secretary: Mr A Ashrafi (BSI) E-mail: asghar.ashrafibsi- Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)2
8、0 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 7.0 DPC: 08/30176438 DC Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:35:51 GMT+00:00 2008, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on international discussions in which the
9、UK has taken an active part. Your comments on this draft are welcome and will assist in the preparation of the consequent standard. If no comments are received to the contrary, then the UK will approve this draft. There is a high probability that this text could be adopted by CENELEC as a reference
10、document for harmonization or as a European Standard. Recipients of this draft are requested to comment on the text bearing in mind this possibility. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Submission The guidance gi
11、ven below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsible Committee Secretary at the address g
12、iven on the front cover. Comments should be compatible with Version 6.0 or Version 97 of Microsoft Word for Windows, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these format requirements. All comments submitted
13、 should be presented as given in the example below. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at: http:/www.bsi- Template for comments and secretariat observations Date: xx/xx/200x Document: ISO/DIS x
14、xxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- ment Comment (justification for change) by the MB Proposed change by the MB Secretariat observations on each comment submitted 3.1 Definition 1 ed Definition is ambiguous
15、 and needs clarifying. Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Delete reference to UV photometer. Microsoft and MS-DOS ar
16、e registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:35:51 GMT+00:00 2008, Uncontrolled Copy, (c) BSI 29/644/CD COMMITTEE DRAFT (CD) IEC/TC or SC: IEC/TC 29 Project number IEC 60645-1 Ed
17、. 3 Title of TC/SC: ELECTROACOUSTICS Date of circulation 2008-01-11 Closing date for comments 2008-04-11 Also of interest to the following committees Supersedes document 29/643/MCR Functions concerned: Safety EMC Environment Quality assurance Secretary: L.E. NIELSEN, DS THIS DOCUMENT IS STILL UNDER
18、STUDY AND SUBJECT TO CHANGE. IT SHOULD NOT BE USED FOR REFERENCE PURPOSES. RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION. Title: First IEC/CD 60645-1Ed.3: “Electroacou
19、stics Audiometric equipment Part 1: Pure- tone audiometers“ (Revision of IEC 60645-1:2001 and IEC 60645-4:1994) (Titre) : Introductory note As reported at the IEC/TC 29 meeting, September 2006 in Barcelona, doc. 29/616/RM, item 6.3 refers, it was the intention of IEC/TC 29/WG 10 to revise IEC 60645-
20、1:2001 and IEC 60645-4:1994 and to amalgamate these standards to become IEC 60645-1 Ed.3. In accordance with the maintenance rules, the present document is now circulated as a first CD 60645-1 for comments together with the Maintenance Cycle Report for the revision of IEC 60645-1:2001. IEC 60645-4:1
21、994 will be withdrawn at the time of publication of the revised IEC 60645-1. FORM CD (IEC) 2002-08-08 Copyright 2008 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this electronic file, to make a copy and to print out the content for the sole purpose
22、 of preparing National Committee positions. You may not copy or “mirror“ the file or printed version of the document, or any part of it, for any other purpose without permission in writing from IEC. Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:35:51 GMT+00
23、:00 2008, Uncontrolled Copy, (c) BSI CD 60645-1 IEC:2008 29/644/CD 2 CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 2 Normative references .8 3 Terms and definitions .9 4 Requirements for specific types of fixed frequency audiometer.13 5 General requirements.14 5.1 Electrical safety requirements .14 5
24、.2 Acoustic safety requirements.14 5.3 Environmental conditions 14 5.4 Warm-up time14 5.5 Power supply variation 14 5.5.1 Mains operation.14 5.5.2 Battery operation.14 5.6 Immunity to power and radio frequency fields14 5.7 Unwanted sound .15 5.7.1 General .15 5.7.2 Unwanted sound from an earphone .1
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