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This document specifies a substitution measurement method to measure internal quantum efficiency, external quantum efficiency and absorptance of ceramic phosphor powders, which are used in white light-emitting diodes (LEDs) and emit visible light when excited by UV or blue light. In this method, commercially available measurement equipment, such as a fluorescence spectrophotometer or a…

IEC 60626-1:2023 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60626-1:2023 contains the definitions related to and the general requirements to be fulfilled by combined…

This standard applies to precast reinforced concrete sewer maintenance holes, catch basins, valve chambers and pumping stations intended for use to a maximum depth of 7 m in sanitary sewer systems, combined sewer systems, storm sewer and drinking water systems. NOTE — Even if they are not mentioned in the scope of this standard, certain elements described in this standard may be used in water…

2 DOMAINE D’APPLICATION La présente norme s’applique aux regards d’égout, aux puisards, aux chambres des vannes et aux postes de pompage préfabriqués en béton armé destinés à être utilisés dans les réseaux d’égouts sanitaires, unitaires et pluviaux ainsi que dans les réseaux de distribution d’eau potable jusqu’à une profondeur maximale de 7 m. NOTE — Bien qu’ils ne soient pas mentionnés dans le…

IEC 60364-7-716:2023 specifies requirements in electrical installations for the distribution of ELV DC power using balanced, information technology cables and accessories primarily designed for data transmission, as specified in terms of a category within the channels of ISO/IEC 11801-1 using power sourcing equipment in accordance with IEC 62368-3. Requirements are included for the design,…

IEC 60364-7-716:2023 spécifie des exigences dans les installations électriques pour la distribution de l’alimentation en courant continu TBT à l’aide de câbles et accessoires symétriques des technologies de l’information. Ceux-ci sont surtout conçus pour la transmission de données, spécifiées sous forme d’une catégorie définie dans les voies de l’ISO/IEC 11801 1 utilisant des équipements source d…

IEC 61757-1-2: 2023 defines detailed specifications for distributed strain measurements with a fibre optic sensor, also known as "fibre optic distributed strain sensing". It is applicable to distributed strain sensing systems (DSS) based on spontaneous or stimulated Brillouin scattering in the optical fibre sensor (strain sensitive element), that is, to sensors capable of measuring…

IEC 61757-1-2: 2023 définit des spécifications particulières pour les mesures de déformation réparties avec un capteur fibronique, également appelées "détection de déformation répartie fibronique". Elle s’applique aux systèmes fibroniques répartis de détection de déformation (DSS) basés sur la diffusion de Brillouin spontanée ou stimulée dans le capteur à fibres optiques (élément…

IEC 60626-1:2023 contains the definitions related to and the general requirements to be fulfilled by combined flexible materials for electrical insulation. This document does not include mica papers used as a primary component, which are covered by the IEC 60371 series, but insulation materials based on mica paper can be used as component of a combined flexible material. Materials which conform…

IEC 62899-202-10:2023 defines terminology and measurement methods for the resistance change of conductive ink layer(s) as a function of thermoplastic elongation. The method measures resistance changes in-situ or post-elongation. This document is applicable to thermoformable substrates with conductive ink layers. The thermoformable substrates can have printed graphic ink as well and cover…