ISO 4064-3:2014|OIML R 49-3:2013 specifies a test report format to be used in conjunction with ISO 4064-1:2014|OIML R 49-1:2013 and ISO 4064-2:2014|OIML R 49-2:2013 for water meters for cold potable water and hot water.
prEN ISO 4064-3 history
2025EN ISO 4064-3:2025 Water meters for cold potable water and hot water - Part 3: Test report format (ISO 4064-3:2024)
2014EN ISO 4064-3:2014 Water meters for cold potable water and hot water - Part 3: Test report format