Maritime navigation and radiocommunication equipment and systems - Presentation of navigation-relate...
IEC 62288:2021+AMD1:2024 CSV specifies the general requirements, methods of testing, and required test results, for the presentation of navigation-related information on shipborne navigational displays in support of IMO resolutions MSC.191(79) as amended by MSC.466(101) in June 2019, and where applicable MSC.302(87). This document also supports the guidelines included in the related IMO Circulars…
Photovoltaic devices - Part 1-2: Measurement of current-voltage characteristics of bifacial photovol...
IEC TS 60904-1-2:2024 describes procedures for the measurement of the current-voltage (I-V) characteristics of single junction bifacial photovoltaic devices in natural or simulated sunlight. It is applicable to encapsulated solar cells, sub-assemblies of such cells or entire PV modules. For measurements of I-V characteristics of non-encapsulated solar cells, IEC TS 63202-3 applies.
The…
Systèmes de canalisations en matières plastiques pour la distribution de combustibles gazeux — Systè...
Le présent document spécifie les propriétés physiques et mécaniques des tubes en polyamide non plastifié (PA-U) conformément à l’ISO 16486-1, destinés à être enterrés et utilisés pour la distribution de combustibles gazeux.
Il spécifie également les paramètres d’essai pour les méthodes d’essai auxquelles il fait référence.
La série ISO 16486 s’applique aux systèmes de canalisations en PA-U dont…
Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping syst...
This document specifies the physical and mechanical properties of pipes made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels.
It also specifies the test parameters for the test methods to which it refers.
The ISO 16486 series is applicable to PA-U piping systems, the components of which are connected by fusion…
Ophthalmic optics – Spectacle lenses – Power and prism measurements
This document describes the methods currently used in applying tolerances to the focal powers of spectacle lenses and methods that can be considered for adoption in the future; it also describes methods of measuring the prism imbalance (relative prism error) between the lenses of a mounted pair. The results of a 2014 survey of manufacturing capability for lens power and a 2018 international web…
