I.S. EN IEC 61828:2021
Current
The latest, up-to-date edition.
Ultrasonics - Transducers - Definitions and measurement methods regarding focusing for the transmitted fields
Hardcopy , PDF
English
22-02-2021
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Independent measurement of total acoustic output power
6 Acoustic field measurement: equipment
7 Measurement procedure
Annex A (informative) Background for the transmission/ Characteristics of focusing transducers
Annex B (informative) Rationale for focusing and nonfocusing definitions
Annex C (informative) Methods for determining the beam axis for well-behaved beams
Annex D (informative) Methods for determining the beam axis for beams that are not well behaved
Annex E (informative) Uncertainties
Annex F (informative) Transducer and hydrophone positioning systems
Annex G (informative) Planar scanning of a hydrophone to determine acoustic output power
Annex H (informative) Properties of water
Bibliography
This document – provides definitions for the transmitted field characteristics of focusing and nonfocusing transducers for applications in medical ultrasound; – relates these definitions to theoretical descriptions, design, and measurement of the transmitted fields of focusing transducers; – gives measurement methods for obtaining defined field characteristics of focusing and nonfocusing transducers; – specifies beam axis alignment methods appropriate for focusing and nonfocusing transducers.
| Committee |
IEC/TC 87
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-9019-4
|
| Pages |
242
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN IEC 61828:2021 | Identical |
| IEC 61828:2020 | Identical |
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