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This document specifies the testing procedures for the instrumental determination of the opacity of tissue paper or tissue products by diffuse reflectance using a paper backing. This document contains specific instructions for the preparation of test pieces of single-ply and multi-ply products, where special preparation/procedures might be necessary. It can be used to determine the opacity of…

ISO/IEC 80079-49:2024 specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use…

IEC 61108-7:2024 specifies the minimum performance standards, methods of testing and required test results for Satellite based augmentation system (SBAS) shipborne receiver equipment, which uses L1 signals from GPS and satellite based augmentation system (SBAS) in order to improve the estimated GPS position. This document addresses the use of SBAS L1 to provide augmentation to the GPS shipborne…

Scope This standard specifies the minimum requirements for a digital credential management system. NOTE 1: This standard is applicable for all organizations looking to establish a single management system for digital credentials or enables an organization to use a common approach and risk-based thinking to integrate its digital credential management system with the requirements of other…

Portée La présente norme décrit les exigences minimales pour un système de gestion des justificatifs d’identité numériques. NOTE 1 : La présente norme s’applique aux organisations qui souhaitent établir un système de gestion unique pour les justificatifs d’identité numériques ou permet à une organisation d’utiliser une approche commune et une réflexion fondée sur les risques pour intégrer son…

This document specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designation, and marking. It is applicable to all such rings of a nominal diameter from 30 mm up…

IEC TR 61282-14:2024 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 TR 61282-14:2024, which is a Technical Report, establishes a detailed analysis and calculations of the…

Scope 1.1 These requirements cover Type I commercial kitchen exhaust hoods intended for placement over commercial cooking equipment. Exhaust hoods with and without exhaust dampers are covered by these requirements. 1.2 Exhaust hoods with and without exhaust fire actuated fire dampers are covered by these requirements. 1.3 Exhaust hoods are evaluated relative to minimum exhaust air flow…

Domaine d'application 1.1 Ces exigences couvrent les hottes d’évacuation de cuisine commerciale de type I éventuellement placées au-dessus d’équipements de cuisson commerciale. Les hottes d’évacuation avec et sans registres d’évacuation sont couvertes par ces exigences. 1.2 Les hottes d’évacuation avec et sans registres d’évacuation automatiques déclenchés en cas de feu sont couvertes…

IEC 62841-2-7:2024 deals with the safety of electric motor-operated hand-held spray guns for non-flammable materials. The rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.c. tools. The rated input is not more than 3 700 W. The limits for the applicability of this standard for battery tools are given in K.1 and L.1. This standard deals with the…