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This document specifies a test method for measuring in situ the sound absorption coefficient of road surfaces for the one-third octave band frequencies ranging from 250 Hz to 1 600 Hz under normal incidence conditions. If necessary for practical applications the diameter of the tube can be reduced to 80 mm. This will increase the upper boundary of the frequency range to 2 000 Hz one-third octave…

This document specifies procedures for assessing the resistance of paint systems when a cut in the form of a right-angle lattice pattern (cross-cut) or in the form of an X (X-cut) is made into the paint, penetrating through to the substrate. This document is only applicable if the cross-cut or X-cut test method is specified, together with the rating from the appropriate rating scale. This…

IEC 61000-2-9: 2025 defines the high-altitude electromagnetic pulse (HEMP) environment that is one of the consequences of a high-altitude nuclear explosion. There are two cases of nuclear detonations: - high-altitude nuclear explosions; - low-altitude nuclear explosions. For civil systems, the most important case is the high-altitude nuclear explosion. In this case, the other effects of the…

IEC 60730-2-23:2025 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 60730-2-23:2025 EXV includes the content of the references made to IEC 60730-1:2022. IEC 60730-2-23:2025 applies to the safety of electrical,…

IEC 60730-2-23:2025 applies to the safety of electrical, electro-mechanical and electronic sensors including sensing elements and any conditioning circuitry. Sensors covered under the scope of this document serve only to transform an activating quantity into a usable output and do not perform a control operation as defined in IEC 60730-1. This document applies to sensors in so far as defining the…

This document specifies formats for redundant encoding and packaging of live segmented media (REaP). This document specifies: a)       formats for Interchangeable Live Media Ingest and stream announcement; b)       format and segmentation strategy to generate interchangeable segments; c)        formats for generating interchangeable media presentation descriptions or playlists; d)       formats…

This document specifies formats for redundant encoding and packaging of live segmented media (REaP). This document specifies: a) formats for Interchangeable Live Media Ingest and stream announcement; b) format and segmentation strategy to generate interchangeable segments; c) formats for generating interchangeable media presentation descriptions or playlists; d) formats…

IEC 60793-2-50:2025 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 60793-2-50:2025 edition 7.0 and the previous IEC 60793-2-50:2018 edition 6.0. Furthermore, comments from IEC TC 86 experts are provided to explain the reasons of the most relevant changes, or to clarify any part…

IEC 60793-2-50:2025 is applicable to optical fibre categories B-652, B-653, B-654, B-655, B‑656 and B-657. A map illustrating the connection of IEC designations to ITU-T designations is shown in Table 1. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables. Three types of requirements apply to these fibres: - general requirements, as defined…

This document defines functional and technical requirements for solutions addressing the classification, marking, handling and sharing of sensitive documents. It complements ISO 4669-1, which specifies requirements for information classification, marking and handling (ICMH). This document addresses solutions that control and distribute content in digital format, both inside and outside the…