ISO 4064-1:2014 Water meters for cold potable water and hot water — Part 1: Metrological and technical requirements
ISO 4064-1:2014 describes metrological and technical requirements of water meters used to measure the flow rate of hot or cold potable water flowing through a fully charged, closed supply pipe (open or insulated). These flow meters can include indicative devices which integrate total volume.
ISO 4064-1:2014 applies to Water meters, hot and cold water taps based on electrical or electronic principles are used to measure the volume of water. These devices are present in countries around the world.
ISO 4064-1:2014 applies to electronic devices that support the function of water meters. While some of these devices are ancillary, or simply support the use and functionality of a water meter, they might not be optional – depending on national and regional regulations.