Electricity metering equipment - Particular requirements - Part 22: Static meters for AC active energy (classes 0,1S, 0,2S and 0,5S) (Endorsed by Asociación Española de Normalización in May of 2021.)
Edition 2021-05-01

Electricity metering equipment - Particular requirements - Part 21: Static meters for AC active energy (classes 0,5, 1 and 2) (Endorsed by Asociación Española de Normalización in May of 2021.)
Edition 2021-05-01

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-030: Particular requirements for equipment having testing or measuring circuits (Endorsed by Asociación Española de Normalización in May of 2021.)
Edition 2021-05-01

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-030: Particular requirements for equipment having testing or measuring circuits (Endorsed by Asociación Española de Normalización in May of 2021.)
Edition 2021-05-01

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
Edition 2020-06-17

Explosive atmospheres - Part 0: Equipment - General requirements
Edition 2021-01-20

Electricity metering equipment - Particular requirements - Part 21: static meters for AC active energy (classes 0,5, 1 and 2)
Edition 2021-04-02

Electricity metering equipment - Particular requirements - Part 22 :static meters for AC active energy (classes 0,1S, 0,2S and 0,5S)
Edition 2021-04-02

Electricity metering equipment - Particular requirements - Part 21: Static meters for AC active energy (classes 0,5, 1 and 2) (Endorsed by Asociación Española de Normalización in September of 2021.)
Edition 2021-09-01

Electricity metering equipment - Particular requirements - Part 22: Static meters for AC active energy (classes 0,1S, 0,2S and 0,5S) (Endorsed by Asociación Española de Normalización in September of 2021.)
Edition 2021-09-01