Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
IEC 61439-4:2023 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61439-4:2023 EXV includes the content of the references made to IEC 61439-1:2020.
IEC 61439-4:2023 defines the specific requirements of ACS as follows…
Material used for producing wrappings for cigarette filters, cigarettes and other tobacco products —...
This document specifies an ion chromatographic method for the determination of the acetate and citrate content of materials used to produce wrappings for cigarette filters, cigarettes, and other tobacco products.
Dielectric and resistive properties of solid insulating materials - Part 3-2: Determination of resis...
IEC 62631-3-2:2023 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 62631-3-2:2023 edition 2.0 and the previous IEC 62631-3-2:2015 edition 1.0. Furthermore, comments from IEC TC 112 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of…
Glass types — Crystal glass, crystal and lead crystal — Specifications and test methods
This document provides the specifications and specifies the requirements for the designation of three types of glass namely crystal glass, crystal, and lead crystal, according to their chemical composition, density and refractive index. This document also describes the test methods to measure the respective characteristics of these crystal glass types.
Given the potential lead contamination…
6Al-4V titanium alloys — Determination of aluminium and vanadium contents — Inductively coupled plas...
This document specifies an inductively coupled plasma atomic emission spectrometric method for the determination of the contents (mass fraction) of aluminium and vanadium in 6Al-4V titanium alloys.
This method is applicable to all kinds of 6Al-4V titanium alloys specified in ISO 23515 (designation of titanium alloys) for aluminium in the range from 4,70 % to 7,00 % and vanadium in the range from…
High voltage direct current (HVDC) grid systems and connected converter stations - Guideline and par...
IEC TS 63291-1:2023 contains guidelines on planning, specification, and execution of multi-vendor HVDC grid systems also referred to as HVDC grids. The terms "HVDC grid systems" or "HVDC grids" are used in this document to describe HVDC systems for power transmission having more than two HVDC stations connected to a common DC circuit. The DC circuit can be of radial or meshed…
High voltage direct current (HVDC) grid systems and connected converter stations - Guideline and par...
IEC TS 63291-2:2023 defines aspects on planning, specification, and execution of multi-vendor HVDC grid systems also referred to as HVDC grids. The terms "HVDC grid systems" or "HVDC grids" are used in this document to describe HVDC systems for power transmission having more than two HVDC stations connected to a common DC circuit. The DC circuit can be of radial or meshed…
Guidelines for implementation of statistical process control (SPC) — Part 5: Quality data exchange f...
This document describes a data format for the exchange of quality information:
— the data format is distinguished by a transparent structure that is easy to edit;
— it is flexible, space saving and easily be copied and compacted;
All files are language independent because of the allocation of an explicit key to a language independent field, the content of which can be translated into any…
Electronic displays - Part 3-5: Evaluation of optical performance - Colour capabilities
IEC 62977-3-5:2023 specifies standard evaluation methods for determining the colour capabilities of electronic display modules and systems with respect to colour accuracy, colour gamut volume, and their intersection with a reference colour space. Also included is evaluation with respect to the chromaticity gamut area. These methods apply to emissive and transmissive direct view displays that…
Information technology — Computer graphics, image processing and environmental data representation —...
This document specifies the information model for representing the mixed and augmented reality (MAR) scene/contents description, namely, information constructs for:
a) representing the virtual reality scene graph and structure such that a comprehensive range of mixed and augmented reality contents can also be represented;
b) representing physical objects in the mixed and augmented…
