2014DIN EN ISO 4064-1:2014 Water meters for cold potable water and hot water - Part 1: Metrological and technical requirements (ISO 4064-1:2014); German version EN ISO 4064-1:2014
2011DIN EN 14154-1:2011 Water meters - Part 1: General requirements; German version EN 14154-1:2005+A2:2011
2007DIN EN 14154-1:2007 Water meters - Part 1: General requirements German version EN 14154-1:2005+A1:2007