IEC INTERNATIONAL 61846 STANDARD First edition 1998-04 Ultrasonics - Pressure pulse lithotripters Characteristics of fields Ultrasons - Lithotripteurs a ondes de pression - Caractérisation des champs IEC Reference number IEC 61846:1998(E) Numbering 60000 series. Consolidated publications Consolidated versions of.some IEC publications including amendments are available.For example, edition numbers 1.0,1.1 and 1.2 refer, respectively,to the publication incorporating amendments 1 and 2. Validity of this publication The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available in the IEC catalogue. Information onthe subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication, as well as the list of publications issued,is to be found at the following lEC sources: IECwebsite* Catalogue of IEC publications Published yearly with regular updates (On-line catalogue)* IEC Bulletin Available both at the IEC web site*and as a printed periodical Terminology, graphical and letter symbols are referred to For general terminology, readers IEC60050: International ElectrotechnicalVocabulary (lEV). For graphical symbols, and letter symbols and signs approved by the IEc for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology, IEc 60417: Graphical symbols for use on equipment. Index,surveyandcompilationofthesinglesheetsandIEC60617:Graphicalsymbols for diagrams. See web site address on title page. IEC INTERNATIONAL 61846 STANDARD First edition 1998-04 Ultrasonics - Pressure pulse lithotripters Characteristics of fields Ultrasons - Lithotripteurs a ondes de pression - Caractérisation des champs @ IEC 1998 Copyright - all rights reserved Droitsdereproductionréservés Aucune partie de cette publication ne peut etre reproduite ni No part of this publication may be reproduced or utilized in utilisee sous quelque forme que ce soit et par aucun any form or by any means, electronic or mechanical, procede, electronique ou mecanique, y compris la photo- including photocopying and microfilm, without permission in copie et les microfilms, sans I'accord ecrit de I'editeur writing from the publisher. International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland Telefax:+4122 9190300 e-mail: [email protected] IEC web site http: //www.iec.ch U Commission Electrotechnique Internationale PRICE CODE EC International Electrotechnical Commission MemAyHapoAHan SnekTpoTexHMyeckan KoMuccM For price, see current catalogue