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IEC 61300-2-22:2024 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 61300-2-22:2024 edition 3.0 and the previous IEC 61300-2-22:2007 edition 2.0. Furthermore, comments from IEC SC 86B experts are provided to explain the reasons of the most relevant changes, or to clarify any part…

IEC 60704-2-9:2024 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 60704-2-9:2024 EXV includes the content of the references made to IEC 60704-1:2021. IEC 60704-2-9:2024 applies to electric hand-held hairdryers for…

This document describes methods for the determination of mineralogical phases typically apparent in nitride and oxy-nitride bonded silicon carbide refractory products using a Bragg-Brentano diffractometer. It includes details of sample preparations and general principles for qualitative and quantitative analyses of mineralogical phase composition. Quantitative determination of α-Si3N4, β-Si3N4,…

This document specifies analytical techniques for the determination of volatile components by thermal treatment at specified temperatures, and methods for the determination of the total carbon, free carbon, silicon carbide, total and free silicon and free and surface silica content of silicon-carbide, silicon-nitride and silicon-oxynitride containing raw materials and refractory products.

IEC 61558-2-8:2024 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 61558-2-8:2024 EXV includes the content of the references made to IEC 61558-1:2017. IEC 61558-2-8:2024 deals with the safety of bell and chime…

IEC 61558-2-9:2024 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 61558-2-9:2024 EXV includes the content of the references made to IEC 61558-1:2017. IEC 61558-2-9:2024 deals with the safety of transformers for…

IEC 61558-2-10:2024 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 61558-2-10:2024 EXV includes the content of the references made to IEC 61558-1:2017. IEC 61558-2-10:2024 deals with the safety of separating…

IEC 61558-2-23:2024 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 61558-2-23:2024 EXV includes the content of the references made to IEC 61558-1:2017. IEC 61558-2-23:2024 deals with the safety of transformers for…

This document describes three types of copyright protection technologies in use in the publishing industry: —     digital rights management (DRM) free protection, i.e. technologies which do not rely on content encryption but rather use content fingerprinting or watermarking, adequate for use cases where user convenience is the top priority; —     user key-based DRM protection, adequate where user…

This document describes three types of copyright protection technologies in use in the publishing industry: — digital rights management (DRM) free protection, i.e. technologies which do not rely on content encryption but rather use content fingerprinting or watermarking, adequate for use cases where user convenience is the top priority; — user key-based DRM protection, adequate where user…