I.S. EN 12480:2018

National Foreword
European foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
4 Operating range
5 Metrological performance
6 Design and manufacturing
7 Meter output (conformity)
8 Durability (conformity)
9 Marking, labelling and packaging (conformity/individual)
10 Documentation (conformity)
Annex A (normative) - Pattern approval
Annex B (normative) - Individual meter testing
Annex C (normative) - Resistance to high temperature
Annex D (normative) - Compliance evaluation for gas meters
Annex E (normative) - Non-destructive testing (NDT)
Annex F (normative) - Materials for pressurized parts
Annex G (normative) - Additional tests for meters to be used
        in open locations
Annex H (normative) - Meter family
Annex ZA (informative) - Relationship between this European
         Standard and the essential requirements of
         EU Directive 2014/32/EU aimed to be covered
Annex ZB (informative) - Relationship between this European
         Standard and the essential requirements of
         EU Directive 2014/68/EU aimed to be covered
Bibliography

Describes ranges, construction, performances, output characteristics and testing of rotary displacement gas meters (hereinafter referred to as RD meters or simply meters) for gas volume measurement.