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This document specifies a test method to measure the surface tension of liquids with an optical method using the pendant drop. The method can be applied for the characterization of liquid coating materials. If applied to liquids with non-Newtonian flow behaviour (as defined in ISO 3219-1:2021, 3.22), restrictions can apply. NOTE       For other methods to determine the surface tension, see e.g.…

This document provides guidance to community authorities on how to use smart technologies and smart ways of working to improve their ability to anticipate, manage and mitigate public-health emergencies (PHEs), including through transparent, interactive and citizen-centric communications with citizens. It does this by demonstrating how the principles and good practices for smart city operating…

This document specifies requirements and recommendations for the core competences taught in training programmes in community interpreting. This document also identifies the core competences of educators who deliver training programmes in community interpreting. This document is applicable to signed languages and spoken languages, and addresses consecutive interpreting and simultaneous…

This document specifies the principal characteristics of synchronous endless and open belts and pulleys of the profile systems T and AT for use in synchronous belt drives for mechanical power transmission and where positive indexing or synchronization can be required. NOTE            Synchronous belt drives have been known by various titles in the past, for example: timing belt drives, positive…

Le présent document spécifie les exigences et recommandations relatives aux compétences fondamentales enseignées dans les programmes de formation à l’interprétation en milieu social. Le présent document identifie également les compétences fondamentales des enseignants qui dispensent des programmes de formation à l’interprétation en milieu social. Le présent document s’applique aux langues signées…

IEC 62514:2024 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 62514:2024 describes the general guidelines for typical applications of the home multimedia gateway in home…

IEC 62271-211:2024 is applicable to single- and three-phase direct connections between gas-insulated metal-enclosed switchgear (GIS) for rated voltages above 52 kV and transformer arrangements to establish electrical and mechanical interchange ability and to determine the limits of supply for the transformer connection. This second edition cancels and replaces the first edition of IEC 62271-211:…

L'IEC 62271-211:2024 s'applique aux raccordements directs monophasés et triphasés entre l'appareillage sous enveloppe métallique à isolation gazeuse (GIS) pour des tensions assignées supérieures à 52 kV et des dispositions de transformateurs pour établir des possibilités d'échanges électriques et mécaniques et pour déterminer les limites d'alimentation pour le…

IEC 62514:2024 describes the general guidelines for typical applications of the home multimedia gateway in home networks supporting IP networking. This document specifies recommended functions and services to be supported by the home multimedia gateway and, where appropriate, refers to existing standards supported in the market. For general requirements, it is expected that widely adopted…

This document specifies the temperature, humidity and time conditions used for the conditioning and testing of all types of conveyor belt, irrespective of whether they have plastics or rubber covers. It also specifies the requirements for the time interval to be observed between production and testing of conveyor belt test pieces. Special conditions applicable to a particular test or material or…