BS EN 61220:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
Hardcopy , PDF
30-05-2008
BS EN 62127-1:2007+A1:2013
BS EN 62127-3:2007+A1:2013
BS EN 62127-2:2007+A2:2017
BS EN 62127-3 : 2007
BS EN 62127-1 : 2007
BS EN 62127-2 : 2007
English
15-10-1995
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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
Includes procedures for correcting for limitations caused by use of hydrophones with finite bandwidth and active element size.
| Committee |
EPL/87
|
| DevelopmentNote |
Also numbered as IEC 61220 Supersedes 91/26432 DC (11/2005)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| I.S. EN 61220:1996 | Identical |
| SN EN 61220 : 1995 | Identical |
| EN 61220:1995 | Identical |
| NF EN 61220 : 1995 | Identical |
| UNE-EN 61220:1996 | Identical |
| NBN EN 61220 : 1996 | Identical |
| BS EN 61161:2013 | Ultrasonics. Power measurement. Radiation force balances and performance requirements |
| BS EN 61101:1994 | Specification for absolute calibration of hydrophones using the planar scanning technique in the frequency range 0,5 MHz to 15 MHz |
| BS EN 61102:1994 | Specification for measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0.5 MHz to 15 MHz |
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