Electricity metering equipment - Particular requirements, Part 22: Static meters for AC active energy (classes 0.1S, 0.2S and 0.5S) (IEC 2053-22:2020 (ED.2.0) MOD)
Edition 2023

Radiological protection - X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - Part 1: Radiation characteristics and production methods (ISO 4037-1:2019) (Endorsed by Asociación Española de Normalización in March of 2021.)
Edition 2021-03-01

Electricity metering equipment (a.c.) - Particular requirements - Part 11: Electromechanical meters for active energy (classes 0,5, 1 and 2)
Edition 2003-11-14

Electricity metering equipment (a.c.) - Particular requirements - Part 11: Electromechanical meters for active energy (classes 0,5, 1 and 2)
Edition 2018-12-05

BS EN ISO 4064-4. Water meters for cold potable water and hot water. Part 4. Non-metrological requirements not covered in ISO 4064-1
Edition 2023-10-09

Human response to vibration - Measuring instrumentation - Part 2: Personal vibration exposure meters (ISO 8041-2:2021) (Endorsed by Asociación Española de Normalización in September of 2021.)
Edition 2021-09-01

LIQUID HYDROCARBONS. DYNAMIC MEASUREMENT. PROVING SYSTEMS FOR VOLUMETRIC METERS. PART 1: GENERAL PRINCIPLES. (ISO 7278-1:1987) (Endorsed by AENOR in February of 1996.)
Edition 1996-02-01

Calibration of wavelength/optical frequency measurement instruments - Part 3:Optical frequency meters internally referenced to a frequency comb (Endorsed by Asociación Española de Normalización in September of 2019.)
Edition 2019-09-01

Radiation protection instrumentation - Measurement of personal dose equivalents Hp(10) and Hp(0,07) for X, gamma, neutron and beta radiations - Direct reading personal dose equivalent meters (Endorsed by AENOR in May of 2013.)
Edition 2013-05-01

Communication system for meters - Accompanying TR to EN 13757-2,-3 and -7, Examples and supplementary information (Endorsed by Asociación Española de Normalización in February of 2024.)
Edition 2024-02-01