Géotextiles et produits apparentés — Détermination des caractéristiques de perméabilité à l'eau...
Le présent document décrit deux méthodes d'essai pour déterminer la perméabilité à l'eau d'une couche d'un géotextile ou produit apparenté normalement à son plan:
a) la méthode à hauteur de charge constante; et
b) la méthode avec hauteur de charge variable décroissante.
Geotextiles and geotextile-related products — Determination of water permeability characteristics no...
This document specifies two test methods for determining the water permeability characteristics of a single layer of geotextile or geotextile-related product normal to the plane:
a) the constant head method; and
b) the falling head method.
IEC 62402:2019 provides requirements and guidance for obsolescence management applicable to any organization that is dependent on another organization to obtain value from the usefulness of the items that it provides. A cost-effective obsolescence management process and the activities used to implement the process are applicable throughout all phases of an item’s life cycle. This document covers…
IEC 62402:2019 fournit des exigences et des recommandations relatives à la gestion de l'obsolescence qui s'appliquent à toute organisation faisant appel à une autre organisation pour tirer parti des entités fournies par cette dernière. Un processus rentable de gestion de l'obsolescence ainsi que les activités de mise en œuvre de ce processus s'appliquent à chaque phase du…
Wind energy generation systems - Part 26-1: Availability for wind energy generation systems
IEC 61400-26-1:2019 defines an information model from which time-based, and production-based availability indicators for services can be derived and reported.
The purpose is to provide standardised metrics that can be used to create and organise methods for availability calculation and reporting according to the user’s needs.
The document provides information categories, which unambiguously…
Systèmes de génération d'énergie éolienne - Partie 26-1: Disponibilité des systèmes de générati...
l'IEC 61400-26-1:2019 définit un modèle d'informations à partir duquel peuvent être déduits et consignés les indicateurs de disponibilité temporelle et en production des services.
Il s'agit de fournir des mesures normalisées pouvant être utilisées pour créer et organiser des méthodes de calcul et de déclaration de la disponibilité en fonction des besoins de l'utilisateur.
Le…
Gas cylinders — Compilation of national and international valve stem/gas cylinder neck threads and t...
This document lists the different valve stem to gas cylinder connection threads currently and historically existing worldwide and provides official coded designations for them. These coded designations will then be available for identification and marking purposes.
It also gives guidance concerning which threads are dimensionally identical and which are interchangeable.
Furthermore, this document…
Household and similar electrical appliances - Test code for the determination of airborne acoustical...
IEC 60704-3:2019 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 60704-3:2019 describes procedures for determining and verifying the declared values of the noise emitted by…
High-voltage switchgear and controlgear - Part 107: Alternating current fused circuit-switchers for ...
IEC 62271-107:2019 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 62271-107:2019 applies to three-pole-operated fused circuit-switchers designed with rated voltages above 1 kV…
