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IEC 61685 : 1.0

IEC 61685 : 1.0

ULTRASONICS - FLOW MEASUREMENT SYSTEMS - FLOW TEST OBJECT

International Electrotechnical Committee

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Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Definitions<br>4 List of symbols<br>5 General outline of flow Doppler test object<br>6 Specification of the flow Doppler test object<br>&nbsp;&nbsp;6.1 General<br>&nbsp;&nbsp;6.2 Blood-mimicking fluid (BMF)<br>&nbsp;&nbsp;6.3 Tube<br>&nbsp;&nbsp;6.4 Tissue-mimicking material (TMM)<br>&nbsp;&nbsp;6.5 Geometry<br>7 Precautions to prevent changes in the composition of <br>&nbsp;&nbsp;the blood-mimicking fluid (BMF)<br>8 Specifications for labelling<br>Annex A (informative) Rationale concerning the position <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of this standard<br>Annex B (normative) Formulae relating various quantities<br>Annex C (informative) Rationale for the numerical values <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;chosen in this standard<br>Annex D (informative) Description of an example flow <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Doppler test object<br>Annex E (informative) Schematic diagram of a possible <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;flow circuit<br>Annex F (informative) Measuring methods<br>Bibliography

Abstract

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. Also establishes a flow Doppler test object which can be used to assess various aspects of the performance of Doppler diagnostic equipment.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 87

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