Table of Contents

Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Reference conditions<br>5 Symbols, units and equations<br>6 External examination<br>7 Performance tests for all water meters<br>8 Performance tests related to influence<br>&nbsp;&nbsp;&nbsp;factors and disturbances<br>9 Test program for type evaluation<br>10 Tests for initial verification<br>11 Presentation of results<br>Annex A (normative) - Type examination and testing<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of checking facilities of electronic devices<br>Annex B (normative) - Calculating the relative error<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(of indication) of a water meter<br>Annex C (normative) - Installation requirements for flow<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;disturbance tests<br>Annex D (normative) - Type evaluation of a family of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;water meters<br>Annex E (informative) - Examples of methods and<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;components used for testing concentric Water meters<br>Annex F (informative) - Determining the density of water<br>Annex G (informative) - Maximum uncertainties in the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;measurement of influence factors and disturbances<br>Annex H (informative) - Pressure loss test pressure tappings,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;hole and slot details<br>Annex I (normative) - Flow disturbers<br>Bibliography<br>Annex ZA (informative) - Relationship between this<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Standard and the essential requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of Directive 2014/32/EU aimed to be covered

Abstract

Provides details of the test programme, principles, equipment and procedures to be used for the type evaluation, and initial verification of a meter type.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	CPI/30/7
Supersedes	11/30217192 DC : 0 16/30342841 DC : 0 12/30266709 DC : 0