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IEC 60076-10-1:2016+A1:2020 provides supporting information to help both manufacturers and purchasers to apply the measurement techniques described in IEC 60076-10. Besides the introduction of some basic acoustics, the sources and characteristics of transformer and reactor sound are described. Practical guidance on making measurements is given, and factors influencing the accuracy of the methods…

1 Scope 1.1 General This Standard outlines installation and maintenance requirements associated with a number of commonly used ESC measures. In addition, this Standard provides general best practice guidance for installing and maintaining ESC measures in conjunction with construction activity, including standardized guidance with respect to adhering to product manufacturer instructions. This…

1 Scope This International Standard specifies requirements for self-declared environmental claims, including statements, symbols and graphics, regarding products. It further describes selected terms commonly used in environmental claims and gives qualifications for their use. This International Standard also describes a general evaluation and verification methodology for self-declared…

1 Domaine d’application La présente Norme internationale spécifie les exigences relatives aux autodéclarations environnementales, y compris les mentions, symboles et graphiques concernant les produits. Elle décrit, en outre, des termes choisis, couramment employés dans les allégations environnementales, en précisant leur utilisation. La présente Norme internationale décrit également une…

1 Scope This Standard promotes best practices for collecting metadata for hydrometeorological stations and for publishing those metadata publicly at a central repository. Any operator of a hydrometeorological station located in Canada should follow the WIGOS Metadata (see https://library.wmo.int/doc_num.php?explnum_id=10109). The metadata collected includes information about the observed…

1 Scope 1.1 This Standard applies to newly produced gas-fired outdoor infrared patio heaters (see Clause 3) hereinafter referred to as “heaters” or “appliances”, constructed entirely of new, unused parts and materials for use with: a) natural gas; or b) propane. 1.2 The heaters covered by this Standard are intended for installation in and heating of residential or nonresidential spaces…

1 Domaine d’application 1.1 Généralités Cette norme indique les exigences cartographiques en matière de documentation et de représentation des infrastructures souterraines de services publics et des équipements connexes au niveau ou sous le niveau du sol. Cette norme ne s’applique pas aux infrastructures de services publics installées normalement au-dessus du niveau du sol (p. ex., fils aériens…

1 Domaine d’application 1.1 Types de compresseurs Cette norme s’applique au gaz d’échappement des joints de compresseur à partir des garnitures de tige de compresseur alternatif et des joints de compresseur centrifuge, y compris tous les systèmes auxiliaires et de support nécessaires au bon fonctionnement du système d’étanchéité ou de garniture. Les procédures prises en compte dans cette norme…

1 Scope This document integrates many different types of audio coding: natural sound with synthetic sound, low bitrate delivery with high-quality delivery, speech with music, complex soundtracks with simple ones, and traditional content with interactive and virtual-reality content. This document standardizes individually sophisticated coding tools to provide a novel, flexible framework for…

1 Scope This document defines the MP4 file format, as derived from the ISO Base Media File format.