I.S. EN 61685:2001
Current
The latest, up-to-date edition.
ULTRASONICS - FLOW MEASUREMENT SYSTEMS - FLOW TEST OBJECT
Hardcopy , PDF
English
01-01-2001
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.
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
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.