DIN EN 14154-3 E : 2011

National foreword<br>National Annex NA (informative) - Bibliography<br>Foreword<br>1 Scope<br>2 Normative references<br>3 Reference conditions<br>4 Administrative and external examination <br>&nbsp;&nbsp;for approval programme<br>5 Performance tests for approval programme<br>6 Performance tests related to influence quantities<br>Annex A (normative) - Irregularity in water velocity field<br>Annex B (informative) - Examples of methods and <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;components used for testing Concentric Water<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Meters<br>Annex C (normative) - Equipment and method used<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to determine meter error<br>Annex D (informative) - Equipment and methods for<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pressure loss test<br>Annex E (informative) - Characteristics of reference devices<br>Annex ZA (informative) - Relationship between this European <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Standard and the Essential Requirements of <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;EU Directive 22/2004/EC on Measuring Instruments<br>Bibliography

Applicable to water meters intended for residential, commercial, light industrial and industrial use, and specifies the test parameters and the test methods for water meters, irrespective of the design technologies, as specified in EN 14154-1:2005+A2, used to meter the actual volume of clean cold potable water or heated water, flowing through a fully charged, closed conduit.