Rechercher

IEC 61439-3:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61439-3:2024 EXV includes the content of the references made to IEC 61439-1:2020. IEC 61439-3:2024 defines the specific requirements for distribution…

IEC 60335-2-108:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 60335-2-108:2024 EXV includes the content of the references made to IEC 60335-1:2020. IEC 60335-2-108:2024 deals with the safety of electrolysers…

This document provides guidance for the life cycle management of systems and software, complementing the processes described in ISO/IEC/IEEE 15288 and ISO/IEC/IEEE 12207. This document: — addresses systems concepts and life cycle concepts, models, stages, processes, process application, key points of view, adaptation and use in various domains and by various disciplines; — establishes a…

This document specifies a method for the determination of the dry rubber content of natural rubber field latex. The method is not suitable for latices from natural sources other than Hevea brasiliensis, or for compounded latex, vulcanized latex or artificial dispersions of rubber.

This document specifies a method of determining the moisture content of a test sample of solid biofuels by drying in an oven and is used when the highest precision is not needed, e.g. for routine production control on site. The method described in this document is applicable to all solid biofuels. The moisture content of solid biofuels (as received) is always reported based on the total mass of…

This document provides guidance for the life cycle management of systems and software, complementing the processes described in ISO/IEC/IEEE 15288 and ISO/IEC/IEEE 12207. This document: —     addresses systems concepts and life cycle concepts, models, stages, processes, process application, key points of view, adaptation and use in various domains and by various disciplines; —     establishes a…

This document describes the general procedure for measuring the diffuse radiance factor of all types of pulp, paper and board. More particularly, it specifies in detail the procedures to be used for calibrating the equipment, and in Annex A, the characteristics of the equipment to be used for such measurements. This document can be used to measure the diffuse radiance factors and related…

This document specifies the principal requirements applied to the testing of parts produced by additive manufacturing processes. This document —     identifies quality characteristics for feedstock and parts and the corresponding test procedures, —     provides the specific procedures to build specimens using additive manufacturing process, and —     recommends the scope and content of test and…

IEC 60146-1-1:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60146-1-1:2024 edition 5.0 and the previous IEC 60146-1-1:2009 edition 4.0. Furthermore, comments from IEC TC 22 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of…

IEC 60146-1-1:2024 specifies the requirements for the performance of all semiconductor power converters and semiconductor power switches using controllable and/or non-controllable electronic valve devices. It is primarily intended to specify the basic requirements for converters in general and the requirements applicable to line commutated converters for conversion of AC power to DC power or vice…