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ULTRASONICS - PHYSIOTHERAPY SYSTEMS - FIELD SPECIFICATIONS AND METHODS OF MEASUREMENT IN THE FREQUENCY RANGE 0,5 MHZ TO 5 MHZ (IEC 61689:2013 (EQV))
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Available format(s): Hardcopy, PDF
Superseded date: 14-05-2022
Language(s): English
Published date: 01-01-2013
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.
FOREWORDINTRODUCTION1 Scope2 Normative references3 Terms and definitions4 List of symbols5 Ultrasonic field specifications6 Conditions of measurement and test equipment used7 Type testing reference procedures and measurements8 Routine measurement procedure9 Sampling and uncertainty determinationAnnex A (informative) - Guidance for performance and safetyAnnex B (normative) - Raster scan measurement and analysis proceduresAnnex C (normative) - Diametrical or line scan measurement and analysis proceduresAnnex D (informative) - Rationale concerning the beam cross-sectional area definitionAnnex E (informative) - Factor used to convert the beam cross-sectional area (A[BCS]) at the face of the treatment head to the effective radiating area (A[ER])Annex F (informative) - Determining acoustic power through radiation force measurementsAnnex G (informative) - Validity of low-power measurements of the beam cross-sectional area (A[BCS])Annex H (informative) - Influence of hydrophone effective diameterAnnex I (informative) - Effective radiating area measurement using a radiation force balance and absorbing aperturesAnnex J (informative) - Guidance on uncertainty determinationBibliographyAnnex ZA (normative) - Normative references to international publications with their corresponding European publications
Applies to ultrasonic equipment designed for physiotherapy consisting of an ultrasonic transducer generating continuous or quasi-continuous wave ultrasonic energy in the frequency range 0,5 MHz to 5 MHz.
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