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This document defines the General Feature Model (GFM) as the metamodel for creating application schemas in the context of geo-information modelling. The GFM is explained and implemented as rules for creating and documenting application schemas, including principles for the definition of features. This document is applicable to: —     conceptual modelling of features and their properties from a…

This document specifies requirements for procedures that use the mechanical action of a Vettermann drum tester to produce changes in appearance (surface, structure and colour) to all types of textile floor coverings. It does not include pilling or colour changes due to other actions. NOTE            Changes produced by these drum tester are assessed in accordance with the applicable assessment…

IEC 60268-7:2025 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 60268-7:2025 edition 4.0 and the previous IEC 60268-7:2010+AMD1:2020 CSV edition 3.1. Furthermore, comments from IEC TC 100 experts are provided to explain the reasons of the most relevant changes, or to clarify any…

IEC 60122-2:2025 has been compiled in response to a generally expressed desire on the part of both users and manufacturers for guidelines to the use of quartz crystal units for filters and oscillators so that the crystal units may be used to their best advantage. It draws attention to some of the more fundamental questions which will be considered by the user before it places its order for a…

IEC 60268-7:2025 is applicable to headphones, earphones, headsets and earsets, intended to be used on, or in, the human ear. It also applies to equipment, such as pre-amplifiers, passive networks and power supplies which form an integral part of the headphone system. This document does not deal with: - safety, for which reference is made to IEC 62368-1 or another appropriate standard; - the…

Domaine d’application 1.1 L’objectif de cette norme est d’évaluer l’intégrité des câbles d’alimentation, de commande, d’instrumentation et de données/communications (tels que les câbles en cuivre, coaxiaux ou à fibres optiques) pour déterminer leur capacité à maintenir l’intégrité du circuit lorsqu’ils sont soumis à un essai de tenue au feu standard et à l’essai de tenue à l’eau associé. 1.2…

IEC TS 63528:2025 specifies descriptors for classifying and grouping the diverse and wide range of haptics events and functions in multimedia systems, which are already used in consumer electronics, computer interfaces, automobiles, amusements, and communications. The scope of this document is to define descriptors for classifying various types of haptics systems from different perspectives.…

IEC 60436:2025 applies to electric dishwashers for household and similar use that are supplied with hot and/or cold water. The object of this document is to state and define the principal performance characteristics of electric dishwashers for household and similar use and to describe the standard methods of measuring these characteristics. This document is concerned neither with safety nor with…

This document provides guidance on the characterization of wood chips produced from raw materials, as defined in ISO 17225-4, for the following aspects: —    quality classes and specifications; —    sampling, sample preparation and test methods for physical characteristics which can be conducted on site; —    practical information about testing to be carried out by external laboratories. This…

IEC 60079-18:2025 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 60079-18:2025 edition 5.0 and the previous IEC 60079-18:2014+AMD1:2017 CSV edition 4.1. Furthermore, comments from IEC TC 31 experts are provided to explain the reasons of the most relevant changes, or to clarify…