• I.S. EN IEC 61689:2022

    Current The latest, up-to-date edition.

    Ultrasonics - Physiotherapy systems - Field specifications and methods of measurement in the frequency range 0,5 MHz to 5 MHz (IEC 61689:2022)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  09-05-2022

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols
    5 Ultrasonic field specifications
    6 Conditions of measurement and test equipment used
    7 Type testing reference procedures and measurements
    8 Routine measurement procedure
    9 Sampling and uncertainty determination
    Annex A (normative) Guidance for performance and safety
    Annex B (normative) Raster scan measurement and analysis procedures
    Annex C (normative) Diametrical or line scan measurement and analysis procedures
    Annex D (informative) Rationale concerning the beam cross-sectional area definition
    Annex E (informative) Factor used to convert the beam cross-sectional area (ABCS) at the face of th treatment head to the effective radiating area (AER)
    Annex F (informative) Determining acoustic power through radiation force measurements
    Annex G (informative) Validity of low-power measurements of the beam crosssectional area (ABCS)
    Annex H (informative) Influence of hydrophone effective diameter
    Annex I (informative) Effective radiating area measurements using a radiation force balance and absorbing apertures
    Annex J (informative) Guidance on uncertainty determination
    Annex K (informative) Examples of pulse duration and pulse repetition period of amplitude modulated waves
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document is applicable to ultrasonic equipment designed for physiotherapy containing an ultrasonic transducer generating continuous or quasi-continuous (e.g. tone burst) wave ultrasound in the frequency range 0,5 MHz to 5 MHz.

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    Committee IEC/TC 87
    Document Type Standard
    Product Note This standard also refers to IEC TR 60854 The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes
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