IEC_62092-2001.pdf

INTERNATIONALSTANDARDIEC62092First edition2001-08Ultrasonics Hydrophones Characteristics and calibration in thefrequency range from 15 MHz to 40 MHzUltrasons Hydrophones Caractristiques et talonnage dans la gammede frquences de 15 MHz 40 MHzReference numberIEC 62092:2001(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.Further information on IEC publicationsThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating tothis publication,including its validity,is available in the IEC Catalogue ofpublications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(www.iec.ch/catlg-e.htm)enablesyou to search by a variety of criteria including text searches,technicalcommittees and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publications,as well ascorrigenda.IEC Just PublishedThis summary of recently issued publications(www.iec.ch/JP.htm)is alsoavailable by email.Please contact the Customer Service Centre(see below)forfurther information.Customer Service CentreIf you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC62092First edition2001-08Utrasonics Hydrophones Characteristics and calibration in thefrequency range from 15 MHz to 40 MHzUltrasons Hydrophones Caractristiques et talonnage dans la gammede frquences de 15 MHz 40 MHzPRICE CODE IEC 2001 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chXAFor price,see current catalogue Commission Electrotechnique Internationale International Electrotechnical CommissionLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62092 IEC:2001(E)CONTENTSFOREWORD.4INTRODUCTION.51Scope.62Normative references.63Definitions.74List of symbols.95Hydrophone characteristics.115.1General.115.2Basic information.115.3Hydrophone class.115.4Sensitivity.125.5Frequency response.125.6Directional response.135.7Effective radius.135.8Dynamic range and linearity.145.9Electric output characteristics.145.9.1Electric output termination.145.9.2Output lead configuration and ringing resonance in cable.155.10 Information on the integral amplifier,if included.155.11 Environmental and other aspects.165.11.1 Temperature range.165.11.2 Water tightness.165.11.3 Water properties and incompatible materials.165.11.4 Other aspects.166Relative measurements of hydrophone characteristics.166.1General concepts.166.1.1Relative measurement for directional response and for comparison ofsensitivity.166.1.2Temporal waveform and frequency concepts and hydrophone position.176.2Measurement concepts.186.2.1Source transducer.186.2.2Types of measurement.186.2.3Temporal waveform concepts.196.2.4Hydrophone position concepts.21LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62092 IEC:2001(E)3 6.3Requirements.246.3.1Measurement vessel and water.246.3.2Temperature stability.246.3.3Positional accuracy.246.3.4Maximum hydrophone size.256.3.5Requirements for the electronic equipment.276.3.6Requirements with particular respect to time delay spectrometry.277Hydrophone calibration.27Annex A(informative)Tables.29Annex B(informative)Behaviour of PVDF polymer sensors in high intensityultrasonic fields.31Annex C(informative)Hydrophone positioning in the ultrasonic near field.34Annex D(informative)Time delay spectrometry Requirements and a brief reviewof the technique.36Annex E(informative)The absolute calibration of hydrophones up to 40 MHz.39Bibliography.5