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    I.S. EN 61220:1996

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ULTRASONICS - FIELDS GUIDANCE FOR THE MEASUREMENT AND CHARACTERISATION OF ULTRASONIC FIELDS GENERATED BY MEDICAL ULTRASONIC EQUIPMENT USING HYDROPHONES IN THE FREQUENCY RANGE 0,5 MHZ TO 15 MHZ

    Available format(s):  Hardcopy, PDF

    Superseded date:  07-01-2010

    Language(s):  English

    Published date:  01-01-1996

    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)

    Introduction
    Clause
    1 Scope
    2 Normative references
    3 List of symbols
    4 Types of medical ultrasonic equipment
        4.1 Pulse-echo and pulsed Doppler equipment
        4.2 Continuous-wave Doppler systems
        4.3 Therapy transducers
    5 Measuring conditions
        5.1 Choice of size of the hydrophone active element
        5.2 Hydrophone cable length and amplifiers
        5.3 Rotation of the hydrophone
        5.4 Hydrophone positioning
        5.5 Avoiding reflection effects using membrane
             hydrophones
    6 Simplified procedures and guidelines
        6.1 Procedures
        6.2 Useful relationships between acoustical
             parameters
    7 Acoustic parameter specification
    Annexes
    A (normative) Bandwidth and spatial-averaging
                   corrections
    B (informative) Bibliography
    ZA (normative) Other international standards quoted in
                   this standard with the references of the
                   relevant European publications

    Abstract - (Show below) - (Hide below)

    Provides guidance on the practical measurement of the acoustic output of various types of medical ultrasonic equipment.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
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