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BS EN IEC 62127-3:2022:2023 Edition

BS EN IEC 62127-3:2022:2023 Edition

$167.15

Ultrasonics. Hydrophones – Properties of hydrophones for ultrasonic fields

Published By Publication Date Number of Pages
BSI 2023 38
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IEC 62127-3:2022 is available as IEC 62127-3:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62127-3:2022 specifies relevant hydrophone characteristics. This document 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; – hydrophones with or without an associated pre-amplifier. IEC 62127-3:2022 cancels and replaces the first edition published in 2007 and Amendment 1:2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition. a) The upper frequency limit of 40 MHz has been removed. b) Hydrophone sensitivity definitions have been changed to recognize sensitivities as complex-valued quantities. c) Procedures to determine the effective hydrophone size have been changed according to the rationale outlined in Annex B. d) Requirements on the frequencies for which the effective hydrophone size shall be provided have been changed to achieve practicality for increased frequency bands. e) The new Annex B and Annex C have been added. f) Annex A has been updated to reflect the changes of the normative parts.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex A (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
9 FOREWORD
11 INTRODUCTION
12 1 Scope
2 Normative references
3 Terms, definitions and symbols
16 4 List of symbols
5 Hydrophone characteristics
5.1 General
5.2 Basic information
17 5.3 Sensitivity
18 5.4 Frequency response
5.4.1 Stated frequency band
5.4.2 Frequency dependence
5.5 Directional response
5.5.1 General
5.5.2 Determination of the directional response
19 5.5.3 Symmetry of directional response
20 5.6 Effective hydrophone size
5.6.1 General
5.6.2 Model of directional response
21 5.6.3 Fitting of experimental response to theoretical predictions
5.7 Dynamic range, linearity and electromagnetic interference
22 5.8 Electric output characteristics
5.8.1 Hydrophone without pre-amplifier
23 5.8.2 Hydrophone assembly
5.8.3 Output lead configuration
5.9 Environmental aspects
5.9.1 Temperature range
5.9.2 Water tightness
5.9.3 Water properties and incompatible materials
5.9.4 Exposed material
24 5.10 Guidance manual
5.11 List of hydrophone characteristics
25 Annex A (informative) Examples of information on hydrophone properties
A.1 General
A.2 Basic information
A.3 Sensitivity and frequency response
Table A.1 ā€“ Example of basic information for 0,2 mm needle hydrophone assembly
26 Figure A.1 ā€“ Frequency response of 0,2 mm needle hydrophone in the range 1 MHz to 40 MHz
27 Figure A.2 ā€“ Frequency response of 0,2 mm needle hydrophone in the range 100 kHz to 1 MHz
28 A.4 Directional response
A.5 Effective dimension
Figure A.3 ā€“ Directional response of 0,2 mm needle hydrophone
29 Figure A.4 ā€“ Effective radius of 0,2 mm needle hydrophone
Figure A.5 ā€“ Comparison of modelled and experimentally derived directional response
30 A.6 Dynamic range, linearity and electromagnetic interference
A.6.1 Lower dynamic limit
A.6.2 Upper dynamic limit
A.7 Electric output characteristics
A.8 Environmental aspects
32 Annex B (informative) Rationale
B.1 General
B.2 Changes to the determination of directional response
B.3 Changes to the determination of effective radius
34 Annex C (informative) Membrane hydrophone directivity model
C.1 General
C.2 Details of model
35 Bibliography

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BS EN IEC 62127-3:2022
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