NBN EN 61685 : 2002
Current
The latest, up-to-date edition.
ULTRASONICS - FLOW MEASUREMENT SYSTEMS - FLOW TEST OBJECT
12-01-2013
Introduction
1 Scope
2 Normative references
3 Definitions
4 List of symbols
5 General outline of flow Doppler test object
6 Specification of the flow Doppler test object
6.1 General
6.2 Blood-mimicking fluid (BMF)
6.3 Tube
6.4 Tissue-mimicking material (TMM)
6.5 Geometry
7 Precautions to prevent changes in the composition
of the blood-mimicking fluid (BMF)
8 Specifications for labelling
Annex A (informative) Rationale concerning the position
of this standard
Annex B (normative) Formulae relating various quantities
Annex C (informative) Rationale for the numerical values
chosen in this standard
Annex D (informative) Description of an example flow
Doppler test object
Annex E (informative) Schematic diagram of a possible
flow circuit
Annex F (informative) Measuring methods
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
Figures
Tables
Defines parameters for a flow Doppler test object representing a blood vessel of known diameter at a certain depth in human tissue, carrying a steady flow.
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 61685:2003-02 | Identical |
| EN 61685:2001 | Identical |
| BS EN 61685:2002 | Identical |
| I.S. EN 61685:2001 | Identical |
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