This European Standard specifies definitions, requirements and testing of additional functionalities for water meters, without metrological impact, in combination with Additional Functionality Devices (AFD) and in response to EU/EFTA Mandate M/441 EN. These AFDs are to be considered as "ancillary devices" as defined in EN ISO 4064-1 and EN ISO 4064-4. This European Standard does not cover the changing of metrological software within the meter or the upload/download of metrological software. NOTE A manufacturer can claim compliance only for additional functionalities described in this European Standard. It is not mandatory that an AFD complies with all additional functionalities described herein.
EN 14154-4:2014 Referenced Document
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EN 62056-21:2002 Electricity Metering - Data Exchange for Meter Reading, Tariff and Load Control Part 21: Direct Local Data Exchange
EN ISO 4064-1:2014 Water meters for cold potable water and hot water - Part 1: Metrological and technical requirements (ISO 4064-1:2014)
EN ISO 4064-2:2014 Water meters for cold potable water and hot water - Part 2: Test methods (ISO 4064-2:2014)
EN ISO 4064-3:2014 Water meters for cold potable water and hot water - Part 3: Test report format
EN ISO 4064-4:2014 Water meters for cold potable water and hot water - Part 4: Non-metrological requirements not covered in ISO 4064-1 (ISO 4064-4:2014)
EN ISO 4064-5:2014 Water meters for cold potable water and hot water - Part 5: Installation requirements (ISO 4064-5:2014)
EN 14154-4:2014 history
2023EN 14154-4:2023 Water meters - Part 4: Additional functionalities
2014EN 14154-4:2014 Water meters - Part 4: Additional functionalities