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EN 61220:1995

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 characterization of ultrasonic fields generated by medical ultrasonic equipment using hydrophones in the frequency range 0,5 MHz to 15 MHz

Superseded date

01-10-2007

Published date

14-02-1995

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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

Provides guidance on the practical measurement of the acoustic output of various types of medical ultrasonic equipment. Contains also procedures for correcting limitations caused by the use of hydrophones with finite bandwidth and finite active element size.

Committee
CLC/SR 87
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

Standards Relationship
NF EN 61220 : 1995 Identical
NBN EN 61220 : 1996 Identical
NEN 11220 : 1995 Identical
I.S. EN 61220:1996 Identical
PN EN 61220 : 2002 Identical
SN EN 61220 : 1995 Identical
BS EN 61220:1995 Identical
UNE-EN 61220:1996 Identical
CEI EN 61220 : 1996 Identical

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