IEC 62127-3:2007
(Main)Ultrasonics - Hydrophones - Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
Ultrasonics - Hydrophones - Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
IEC 62127-3:2007 specifies relevant hydrophone characteristics. This standard is applicable to hydrophones employing piezoelectric sensor elements, designed to measure the pulsed and continuous wave ultrasonic fields generated by ultrasonic equipment; hydrophones used for measurements made in water; and hydrophones with or without an associated pre-amplifier. IEC 62127-1, IEC 62127-2 and IEC 62127-3 are being published simultaneously. Together these cancel and replace IEC 60866:1987, IEC 61101:1991, IEC 61102:1991, IEC 61220:1993 and IEC 62092:2001. The French version of this standard has not been voted upon.
Ultrasons - Hydrophoes - Partie 3: Propriétés des hydrophones pour les champs ultrasoniques jusqu'à 40 MHz
La CEI 62127-3:2007 spécifie les caractéristiques pertinentes de l'hydrophone. La présente norme s'applique aux hydrophones utilisant des capteurs piézoélectriques, conçus pour mesurer les champs ultrasoniques à ondes par impulsions et entretenues générés par les appareils à ultrasons; aux hydrophones utilisés pour les mesures réalisées dans l'eau; et aux hydrophones avec ou sans préamplificateur associé. La CEI 62127-1, la CEI 62127-2 et la CEI 62127-3 ont été publiées conjointement. Ensemble, elles annulent et remplacent la CEI 60866:1987, la CEI 61101:1991, la CEI 61102:1991, la CEI 61220:1993 et la CEI 62092:2001. La version française n'a pas été soumise au vote.
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IEC 62127-3
Edition 1.0 2007-08
INTERNATIONAL
STANDARD
Ultrasonics – Hydrophones –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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please contact the address below or your local IEC member National Committee for further information.
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IEC 62127-3
Edition 1.0 2007-08
INTERNATIONAL
STANDARD
Ultrasonics – Hydrophones –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
S
ICS 17.140.50 ISBN 2-8318-9278-3
– 2 – 62127-3 © IEC:2007(E)
CONTENTS
FOREWORD.3
INTRODUCTION.5
1 Scope.6
2 Normative references.6
3 Terms, definitions and symbols .6
4 List of symbols.8
5 Hydrophone characteristics.9
5.1 General .9
5.2 Basic information.9
5.3 Sensitivity.9
5.4 Frequency response .10
5.4.1 Stated frequency band .10
5.4.2 Frequency dependence.10
5.5 Directional response .11
5.5.1 General .11
5.5.2 Symmetry of directional response.11
5.6 Effective radius.11
5.7 Dynamic range, linearity and electromagnetic interference .12
5.8 Electric output characteristics .13
5.8.1 General .13
5.8.2 Hydrophone without pre-amplifier .13
5.8.3 Hydrophone assembly.13
5.8.4 Output lead configuration .14
5.9 Environmental aspects.14
5.9.1 Temperature range .14
5.9.2 Water tightness .14
5.9.3 Water properties and incompatible materials .14
5.9.4 Exposed material .14
5.10 Guidance manual.14
5.11 List of hydrophone characteristics .14
Annex A (informative) Examples of information on hydrophone properties.16
Bibliography .21
Figure A.1 – Frequency response of 0,2 mm needle hydrophone .17
Figure A.2 – Directional response of 0,2 mm needle hydrophone .18
Table A.1 – Example of basic information for 0,2 mm needle hydrophone assembly.16
62127-3 © IEC:2007(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ULTRASONICS – HYDROPHONES –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62127-3 has been prepared by IEC technical committee 87:
Ultrasonics
IEC 62127-1, IEC 62127-2 and IEC 62127-3 are being published simultaneously. Together
these cancel and replace IEC 60866:1987, IEC 61101:1991, IEC 61102:1991, IEC 61220:1993
and IEC 62092:2001.
The text of this standard is based on the following documents:
Enquiry draft Report on voting
87/354/CDV 87/373/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
– 4 – 62127-3 © IEC:2007(E)
A list of all parts of IEC 62127 series, published under the general title Ultrasonics –
Hydrophones, can be found on the IEC website.
NOTE Words in bold in the text are defined in Clause 3.
The committee has decided that the contents of this publication will remain unchanged until the
maintenance result date indicated on the IEC website under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.
62127-3 © IEC:2007(E) – 5 –
INTRODUCTION
The spatial and temporal distribution of acoustic pressure in an ultrasonic field in a liquid
medium is commonly determined using miniature ultrasonic hydrophones. The properties of
these hydrophones have been dealt with in a number of IEC standards in various aspects.
The purpose of this part of IEC 62127 is to bring together all these specifications and to
establish a common standard on the properties of ultrasonic hydrophones. The main
hydrophone application in this context is the measurement of ultrasonic fields emitted by
medical diagnostic equipment in water. Other medical applications are field measurements for
therapy equipment such as that used in lithotripsy, high-intensity focused ultrasound (HIFU)
and physiotherapy. Hydrophones are also used extensively in non-medical applications for both
product development and quality control including:
– mapping of the ultrasound field within ultrasonic cleaning baths;
– characterization of acoustic fields used in transmission measurement systems (e.g.
ultrasonic spectrometers, ultrasonic attenuation meters and velocimeters);
– characterization of acoustic fields used in reflection measurement systems (e.g. Doppler
flowmeters).
While the term "hydrophone" can be used in a wider sense, it is understood here as referring
to miniature piezoelectric hydrophones. It is this instrument type that is used today in various
areas of ultrasonics and, in particular, to quantitatively characterize the field structure of
medical diagnostic instruments. With regard to other pressure sensor types, such as those
based on fibre optics, some of the requirements of this standard are applicable to these as well
but others are not. If in the future these other "hydrophone" types gain more importance in
field measurement practice, their properties will have to be dealt with in a revised version of
this standard or in a separate one.
Underwater hydrophones as covered by IEC 60500 and IEC 60565 are not included in this
standard, although there is an overlap in the frequency ranges. Underwater hydrophones are
used in natural waters, even in the ocean, and this leads to different technical concepts and
requirements. In addition, the main direction of acoustic incidence in underwater applications is
typically at right angles to the hydrophone axis, whereas it is assumed in this standard that it
is in the direction of the hydrophone axis.
In the past, ultrasonic hydrophones have been applied almost exclusively as amplitude
sensors. At present a change can be seen and it is increasingly considered useful to have
additional phase information, which, however, is only possible if the phase characteristics of
the hydrophone have been determined during calibration. In this standard, therefore,
requirements are specified for the amplitude aspect of the hydrophone sensitivity, and
recommendations are provided for the phase aspect, as an option to be considered.
– 6 – 6212
...
IEC 62127-3 ®
Edition 1.0 2007-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Ultrasonics – Hydrophones –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
Ultrasons – Hydrophones –
Partie 3: Propriétés des hydrophones pour les champs ultrasoniques
jusqu’à 40 MHz
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester.
If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,
please contact the address below or your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite ni
utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les
microfilms, sans l'accord écrit de la CEI ou du Comité national de la CEI du pays du demandeur.
Si vous avez des questions sur le copyright de la CEI ou si vous désirez obtenir des droits supplémentaires sur cette
publication, utilisez les coordonnées ci-après ou contactez le Comité national de la CEI de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
Useful links:
IEC publications search - www.iec.ch/searchpub Electropedia - www.electropedia.org
The advanced search enables you to find IEC publications The world's leading online dictionary of electronic and
by a variety of criteria (reference number, text, technical electrical terms containing more than 30 000 terms and
committee,…). definitions in English and French, with equivalent terms in
It also gives information on projects, replaced and additional languages. Also known as the International
withdrawn publications. Electrotechnical Vocabulary (IEV) on-line.
IEC Just Published - webstore.iec.ch/justpublished Customer Service Centre - webstore.iec.ch/csc
Stay up to date on all new IEC publications. Just Published If you wish to give us your feedback on this publication
details all new publications released. Available on-line and or need further assistance, please contact the
also once a month by email. Customer Service Centre: csc@iec.ch.
A propos de la CEI
La Commission Electrotechnique Internationale (CEI) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications CEI
Le contenu technique des publications de la CEI est constamment revu. Veuillez vous assurer que vous possédez
l’édition la plus récente, un corrigendum ou amendement peut avoir été publié.
Liens utiles:
Recherche de publications CEI - www.iec.ch/searchpub Electropedia - www.electropedia.org
La recherche avancée vous permet de trouver des Le premier dictionnaire en ligne au monde de termes
publications CEI en utilisant différents critères (numéro de électroniques et électriques. Il contient plus de 30 000
référence, texte, comité d’études,…). termes et définitions en anglais et en français, ainsi que
Elle donne aussi des informations sur les projets et les les termes équivalents dans les langues additionnelles.
publications remplacées ou retirées. Egalement appelé Vocabulaire Electrotechnique
International (VEI) en ligne.
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contactez-nous: csc@iec.ch.
IEC 62127-3 ®
Edition 1.0 2007-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Ultrasonics – Hydrophones –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
Ultrasons – Hydrophones –
Partie 3: Propriétés des hydrophones pour les champs ultrasoniques
jusqu’à 40 MHz
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX S
ICS 17.140.50 ISBN 978-2-83220-137-4
– 2 – 62127-3 IEC:2007
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references. 6
3 Terms, definitions and symbols . 6
4 List of symbols . 8
5 Hydrophone characteristics . 9
5.1 General . 9
5.2 Basic information . 9
5.3 Sensitivity . 9
5.4 Frequency response . 10
5.4.1 Stated frequency band . 10
5.4.2 Frequency dependence . 10
5.5 Directional response . 11
5.5.1 General . 11
5.5.2 Symmetry of directional response. 11
5.6 Effective radius . 11
5.7 Dynamic range, linearity and electromagnetic interference . 12
5.8 Electric output characteristics . 13
5.8.1 General . 13
5.8.2 Hydrophone without pre-amplifier . 13
5.8.3 Hydrophone assembly . 13
5.8.4 Output lead configuration . 14
5.9 Environmental aspects . 14
5.9.1 Temperature range . 14
5.9.2 Water tightness . 14
5.9.3 Water properties and incompatible materials . 14
5.9.4 Exposed material . 14
5.10 Guidance manual . 14
5.11 List of hydrophone characteristics . 14
Annex A (informative) Examples of information on hydrophone properties . 16
Bibliography . 21
Figure A.1 – Frequency response of 0,2 mm needle hydrophone . 17
Figure A.2 – Directional response of 0,2 mm needle hydrophone . 18
Table A.1 – Example of basic information for 0,2 mm needle hydrophone assembly . 16
62127-3 IEC:2007 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ULTRASONICS – HYDROPHONES –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62127-3 has been prepared by IEC technical committee 87:
Ultrasonics
IEC 62127-1, IEC 62127-2 and IEC 62127-3 are being published simultaneously. Together
these cancel and replace IEC 60866:1987, IEC 61101:1991, IEC 61102:1991, IEC 61220:1993
and IEC 62092:2001.
This bilingual version (2012-06) corresponds to the monolingual English version, published in
2007-08.
– 4 – 62127-3 IEC:2007
The text of this standard is based on the following documents:
Enquiry draft Report on voting
87/354/CDV 87/373/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
The French version of this standard has not been voted upon.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of IEC 62127 series, published under the general title Ultrasonics –
Hydrophones, can be found on the IEC website.
NOTE Words in bold in the text are defined in Clause 3.
The committee has decided that the contents of this publication will remain unchanged until the
maintenance result date indicated on the IEC website under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
62127-3 IEC:2007 – 5 –
INTRODUCTION
The spatial and temporal distribution of acoustic pressure in an ultrasonic field in a liquid
medium is commonly determined using miniature ultrasonic hydrophones. The properties of
...
IEC 62127-3 ®
Edition 1.1 2013-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Ultrasonics – Hydrophones –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
Ultrasons – Hydrophones –
Partie 3: Propriétés des hydrophones pour les champs ultrasoniques
jusqu’à 40 MHz
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester.
If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,
please contact the address below or your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite ni
utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les
microfilms, sans l'accord écrit de la CEI ou du Comité national de la CEI du pays du demandeur.
Si vous avez des questions sur le copyright de la CEI ou si vous désirez obtenir des droits supplémentaires sur cette
publication, utilisez les coordonnées ci-après ou contactez le Comité national de la CEI de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
Useful links:
IEC publications search - www.iec.ch/searchpub Electropedia - www.electropedia.org
The advanced search enables you to find IEC publications The world's leading online dictionary of electronic and
by a variety of criteria (reference number, text, technical electrical terms containing more than 30 000 terms and
committee,…). definitions in English and French, with equivalent terms in
It also gives information on projects, replaced and additional languages. Also known as the International
withdrawn publications. Electrotechnical Vocabulary (IEV) on-line.
IEC Just Published - webstore.iec.ch/justpublished Customer Service Centre - webstore.iec.ch/csc
Stay up to date on all new IEC publications. Just Published If you wish to give us your feedback on this publication
details all new publications released. Available on-line and or need further assistance, please contact the
also once a month by email. Customer Service Centre: csc@iec.ch.
A propos de la CEI
La Commission Electrotechnique Internationale (CEI) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications CEI
Le contenu technique des publications de la CEI est constamment revu. Veuillez vous assurer que vous possédez
l’édition la plus récente, un corrigendum ou amendement peut avoir été publié.
Liens utiles:
Recherche de publications CEI - www.iec.ch/searchpub Electropedia - www.electropedia.org
La recherche avancée vous permet de trouver des Le premier dictionnaire en ligne au monde de termes
publications CEI en utilisant différents critères (numéro de électroniques et électriques. Il contient plus de 30 000
référence, texte, comité d’études,…). termes et définitions en anglais et en français, ainsi que
Elle donne aussi des informations sur les projets et les les termes équivalents dans les langues additionnelles.
publications remplacées ou retirées. Egalement appelé Vocabulaire Electrotechnique
International (VEI) en ligne.
Just Published CEI - webstore.iec.ch/justpublished
Service Clients - webstore.iec.ch/csc
Restez informé sur les nouvelles publications de la CEI.
Just Published détaille les nouvelles publications parues. Si vous désirez nous donner des commentaires sur
Disponible en ligne et aussi une fois par mois par email. cette publication ou si vous avez des questions
contactez-nous: csc@iec.ch.
IEC 62127-3 ®
Edition 1.1 2013-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Ultrasonics – Hydrophones –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
Ultrasons – Hydrophones –
Partie 3: Propriétés des hydrophones pour les champs ultrasoniques
jusqu’à 40 MHz
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 11.040.50 ISBN 978-2-8322-0850-2
– 2 – 62127-3 IEC:2007+A1:2013
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references. 6
3 Terms, definitions and symbols . 6
4 List of symbols . 8
5 Hydrophone characteristics . 9
5.1 General . 9
5.2 Basic information . 9
5.3 Sensitivity . 9
5.4 Frequency response . 10
5.4.1 Stated frequency band . 10
5.4.2 Frequency dependence . 10
5.5 Directional response . 11
5.5.1 General . 11
5.5.2 Symmetry of directional response. 11
5.6 Effective radius . 11
5.7 Dynamic range, linearity and electromagnetic interference . 12
5.8 Electric output characteristics . 13
5.8.1 General Hydrophone without pre-amplifier . 13
5.8.2 Hydrophone without pre-amplifier .
5.8.2 Hydrophone assembly . 13
5.8.3 Output lead configuration . 14
5.9 Environmental aspects . 14
5.9.1 Temperature range . 14
5.9.2 Water tightness . 14
5.9.3 Water properties and incompatible materials . 14
5.9.4 Exposed material . 14
5.10 Guidance manual . 14
5.11 List of hydrophone characteristics . 14
Annex A (informative) Examples of information on hydrophone properties . 16
Bibliography . 21
Figure A.1 – Frequency response of 0,2 mm needle hydrophone . 17
Figure A.2 – Directional response of 0,2 mm needle hydrophone . 18
Table A.1 – Example of basic information for 0,2 mm needle hydrophone assembly . 16
62127-3 IEC:2007+A1:2013 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ULTRASONICS – HYDROPHONES –
Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
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with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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6) All users should ensure that they have the latest edition of this publication.
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This consolidated version of IEC 62127-3 consists of the first edition (2007) [documents
87/354/CDV and 87/373/RVC] and its amendment 1 (2013) [documents 87/530/FDIS and
87/535/RVD]. It bears the edition number 1.1.
The technical content is therefore identical to the base edition and its amendment and
has been prepared for user convenience. A vertical line in the margin shows where the
base publication has been modified by amendment 1. Additions and deletions are
displayed in red, with deletions being struck through.
– 4 – 62127-3 IEC:2007+A1:2013
International Standard IEC 62127-3 has been prepared by IEC technical committee 87:
Ultrasonics.
The French version of the standard has not been voted upon.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of IEC 62127 series, published under the general title Ultrasonics –
Hydrophones, can be found on the IEC website.
NOTE Words in bold in the text are defined in Clause 3.
The committee has decided that the contents of the base publication and its amendment will
remain unchanged until the maintenance result date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The “colour inside” logo on the cover page of this publication indicates
that it contains co
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