BS-EN-60645-1-2001 IEC-60645-1-2001.pdf
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1、BRITISH STANDARD BS EN 60645-1:2001 IEC 60645-1:2001 Electroacoustics Audiological equipment Part 1: Pure-tone audiometers The European Standard EN 60645-1:2001 has the status of a British Standard ICS 17.140.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sh
2、effieldun sheffieldun, na, Thu Nov 09 01:22:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60645-1:2001 This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Str
3、ategy Committee on 19 November 2001 BSI 19 November 2001 ISBN 0 580 38676 7 National foreword This British Standard is the official English language version of EN 60645-1:2001. It is identical with IEC 60645-1:2001. It supersedes BS EN 60645-1:1995 which is withdrawn. The UK participation in its pre
4、paration was entrusted to Technical Committee EPL/29, Eletroacoustics, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For inst
5、ance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references The British Standards which implement international or European publications referred to in
6、this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. U
7、sers of British Standards are responsible for their 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 European committee any enquiries on the interpretation, or proposals
8、 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 title page, pages 2 to 37, and a back cover. The BSI copyright date displayed
9、in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 01:22:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 60645-1 NORME EUROPENNE EUROPISCHE NORMOctober 2001 C
10、ENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC -All rights of exploitation in any form and by any means reserved wo
11、rldwide for CENELEC members. Ref. No. EN 60645-1:2001 E ICS 17.140.50Supersedes EN 60645-1:1994 English version Electroacoustics - Audiological equipment Part 1: Pure-tone audiometers (IEC 60645-1:2001) Electroacoustique - Appareils daudiologie Partie 1: Audiomtres tonaux (CEI 60645-1:2001) Akustik
12、- Audiometer Teil 1: Reinton-Audiometer (IEC 60645-1:2001) This European Standard was approved by CENELEC on 2001-09-25. 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 wi
13、thout 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. This European Standard exists in three official versions (English, French, German). A version in any other lang
14、uage 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 members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France
15、, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 01:22:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 64605-:10021- 2 - Foreword The text of document 2
16、9/489/FDIS, future edition 2 of IEC 60645-1, prepared by IEC TC 29, Electroacoustics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60645-1 on 2001-09-25. This European Standard supersedes EN 60645-1:1994. The following dates were fixed: latest date by which the EN
17、 has to be implemented at national level by publication of an identical national standard or by endorsement(dop)2002-07-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow)2004-10-01 Annexes designated “normative“ are part of the body of the standard. Anne
18、xes designated “informative“ are given for information only. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60645-1:2001 was approved by CENELEC as a European Standard without any modification. In the offic
19、ial version, for Bibliography, the following note has to be added for the standard indicated: IEC 61260NOTEHarmonized as EN 61260:1995 (not modified). _ Page 2 EN 606451:2001 BSI 19 November 2001 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 01:22:01 GMT+00:00 2006, Uncontrolled Copy, (c) B
20、SI 066-541 ? EI:C0021 3 CONTENTS INTRODUCTION 6 1Scope and object. 7 2Normative references. 7 3Terms and definitions 9 4Requirements for specific types of fixed frequency audiometer .12 5General requirements .13 5.1Electrical safety requirements13 5.2Acoustic safety requirements.14 5.3Environmental
21、conditions.14 5.4Warm-up time14 5.5Power supply variation.14 5.5.1Mains operation .14 5.5.2Battery operation .14 5.6Immunity to power and radio frequency fields 14 5.7Unwanted sound15 5.7.1General15 5.7.2Unwanted sound from an earphone15 5.7.3Unwanted sound from a bone vibrator15 5.7.4Unwanted sound
22、 radiated by an audiometer.15 5.8Testing of automatic recording and computer-controlled audiometers 15 5.9Interface connections.16 6Test signal sources.16 6.1Pure tones.16 6.1.1Frequency range and hearing level range 16 6.1.2Frequency accuracy.16 6.1.3Total harmonic distortion17 6.1.4Rate of frequen
23、cy change 17 6.2Frequency modulation .18 6.3External signal source .18 6.3.1Signals 18 6.3.2Frequency response 18 6.3.3Electrical sensitivity .19 6.3.4Reference level for external signal source. 19 6.3.5Operator to subject speech communication19 6.3.6Subject to operator speech communication19 6.4Mas
24、king sound 19 6.4.1General19 6.4.2Narrow-band noise.19 6.4.3Other masking sound.20 Page 3 EN 606451:2001 BSI 19 November 2001 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 01:22:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 066-541 ? EI:C0021 4 7Loudspeaker output 21 8Signal level control .
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