Semiconductor devices - Part 5-13: Optoelectronic devices - Hydrogen sulphide corrosion test for LED...
IEC 60747-5-13:2021 provides the accelerated test method to assess effects of the tarnishing of silver and silver alloys used for LED packages due to hydrogen sulphide. Particularly, this test method is intended to give information on silver and silver alloy tarnishing effects to the luminous/radiant flux maintenance of LED packages. Additionally, this test method can give information on electric…
Electricity metering equipment - Particular requirements - Part 41: Static meters for DC energy (cla...
IEC 62053-41:2021 applies only to static watt-hour meters of accuracy classes 0,5 and 1 for the measurement of DC electrical energy in DC systems, and it applies to their type tests only.
This document applies to electricity metering equipment designed to:
• measure and control electrical energy on electrical networks with two poles where one of the poles is connected to earth and with voltage…
Équipement de comptage de l'électricité - Exigences particulières - Partie 41: Compteurs statiq...
IEC 62053:41:2021 est applicable uniquement aux compteurs statiques d'énergie de classes d'exactitude 0,5 et 1, destinés au mesurage de l'énergie électrique en courant continu dans les systèmes en courant continu, et à leurs essais de type.
Le présent document s'applique aux équipements de comptage de l'électricité conçus pour:
• mesurer et piloter l'énergie…
Gas cylinders — Specifications and testing of LPG cylinder valves — Manually operated
This document specifies the requirements for design, specification, type testing and production testing and inspection of dedicated LPG manually operated cylinder valves for use with and directly connected to transportable refillable LPG cylinders.
It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this…
Road vehicles — Vehicle domain service (VDS) — Part 1: General information and use case definitions
This document, as the first document in the ISO 23239 series, provides a basic definition of vehicle domain service and supplementary information on detailed concepts, as well as definitions of the typical and supplementary use cases being used to define the specification of applications.
Detailed specifications of communications and applications are provided in other documents in the ISO 23239…
Small medical gas cylinders — Pin-index yoke-type valve connections
This document is applicable to pin-index yoke-type valve connections for medical gas cylinders, with a working pressure up to a maximum of 200 bar or test pressure up to a maximum of 300 bar, or both.
NOTE 1 This type of connection is primarily used for small cylinders (5 l or below).
NOTE 2 In this document the unit bar is used, due to its universal use in the field of technical gases. It…
Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic currents produced by e...
IEC 61000-3-12:2011+A1:2021 deals with the limitation of harmonic currents injected into the public supply system. The limits given in this International Standard are applicable to electrical and electronic equipment with a rated input current exceeding 16 A and up to and including 75 A per phase, intended to be connected to public low-voltage a.c. distribution systems of the following types:
-…
Compatibilité électromagnétique (CEM) - Partie 3-12: Limites - Limites pour les courants harmoniques...
L'IEC 61000-3-12:2011 traite de la limitation des courants harmoniques injectés dans le réseau public d'alimentation. Les limites définies dans la présente Norme internationale sont applicables aux appareils électriques et électroniques ayant un courant assigné d'entrée strictement supérieur à 16 A et inférieur ou égal à 75 A par phase, destinés à être connectés aux réseaux publics…