Normativa ISO UNE gratis

Fecha de publicación: 16/12/2021 Industrial-process control valves – Part 4: Inspection and routine testing IEC 60534-4:2021

Fecha de publicación: 16/12/2021 Railway applications – Current collection systems – Pantographs, testing methods for contact strips IEC 62499:2021

Fecha de publicación: 16/12/2021 Communication networks and systems for power utility automation – Part 7-510: Basic communication structure – Hydroelectric power plants, steam and gas turbines – Modelling concepts and guidelines IEC TR 61850-7-510:2021

Fecha de publicación: 17/12/2021 Corrigendum 1 – Global maritime distress and safety system (GMDSS) – Part 2: Cospas-Sarsat EPIRB – Emergency position indicating radio beacon operating on 406 MHz – Operational and performance requirements, methods of testing and required test results IEC 61097-2:2021/COR1:2021

Fecha de publicación: 20/12/2021 Maritime navigation and radiocommunication equipment and systems – Presentation of navigation-related information on shipborne navigational displays – General requirements, methods of testing and required test results IEC 62288:2021 CMV

Fecha de publicación: 07/01/2022 Semiconductor devices – Part 5-15: Optoelectronic devices – Light emitting diodes – Test method of the flat-band voltage based on the electroreflectance spectroscopy IEC 60747-5-15:2022

Fecha de publicación: 07/01/2022 Mechanical structures for electrical and electronic equipment – Tests for IEC 60917 and IEC 60297 series – Part 1: Environmental requirements, test setups and safety aspects IEC 61587-1:2022

Fecha de publicación: 07/01/2022 Wind energy generation systems – Part 50-3: Use of nacelle-mounted lidars for wind measurements IEC 61400-50-3:2022

Fecha de publicación: 10/01/2022 Photovoltaic system power conversion equipment – Design qualification and type approval IEC 62093:2022

Fecha de publicación: 17/01/2022 Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure «t» IEC 60079-31:2022