Solid biofuels — Determination of total content of sulfur and chlorine
1 Scope
This International Standard describes methods for the determination of the total sulfur and total chlorine content in solid biofuels. This International Standard specifies two methods for decomposition of the fuel and different analytical techniques for the quantification of the elements in the decomposition solutions. The use of automatic equipment is also included in this International…
Semiconductor converters - General requirements and line commutated converters - Part 1-2: Applicati...
IEC TR 60146-1-2:2019 is available as IEC TR 60146-1-2:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC TR 60146-1-2:2019 gives guidance on variations to the specifications given in IEC 60146-1-1:2009 to enable the specification to be extended in a controlled form for special cases.…
Summary of requirements and tests for products in the scope of IEC 60601-2-66
IEC TR 62809:2019 is available as IEC TR 62809:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC TR 62809:2019 provides an overview of the requirements and tests of IEC 60601-2-66 in combination with the applicable sections of IEC 60601-1, and the collateral standards of the IEC 60601…
Installation couplers intended for permanent connection in fixed installations
IEC 61535:2019 is available as IEC 61535:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61535:2019 applies to two-wire, up to five-wire installation couplers, including earth, if provided, with a rated voltage up to and including 500 V AC or DC and a rated connecting capacity up to…
Organic light emitting diode (OLED) displays - Part 5-3: Measuring methods of image sticking and lif...
IEC 62341-5-3:2019 is available as IEC 62341-5-3:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62341-5-3:2019 specifies the standard measuring methods for determining the image sticking and lifetime of organic light emitting diode (OLED) display panels and modules, except finalized…
Lightning density based on lightning location systems - General principles
IEC 62858:2019 is available as IEC 62858:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62858:2019 introduces and discusses all necessary measures to make reliable and homogeneous the values of ground flash density, NG and ground strike point density, NSG, obtained from lightning…
Optical fibre cables - Part 1-23: Generic specification - Basic optical cable test procedures - Cabl...
IEC 60794-1-23:2019 is available as IEC 60794-1-23:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60794-1-23:2019 describes test procedures to be used in establishing uniform requirements for the geometrical, material, mechanical, environmental properties of optical fibre cable…
Systems and software engineering — Lifecycle profiles for very small entities (VSEs) — Part 4-3: Ser...
1 Scope
1.1 Fields of application
This document is applicable to Very Small Entities (VSEs). A VSE is an enterprise, an organization, a department or a project having up to 25 people.
The purpose of this document is to provide a set of auditable requirements based on multiple standards (i.e., ISO/IEC/IEEE 15288, ISO/IEC/IEEE 15289, ISO 9000, ISO 9001, ISO 31000, ISO/IEC 38500, ISO 10004, ISO…
Information technology — User interface component accessibility — Part 23: Visual presentation of au...
1 Scope
This document provides guidance for producers, exhibitors, and distributors on the visual presentation
of alternatives to audio information in audiovisual content, such as captions/subtitles.
This document provides requirements and recommendations that are intended to support users who
are not able to use the audio information, prefer to use a visual representation of audio…
Renewable energy and hybrid systems for rural electrification - Part 9-6: Integrated systems - Recom...
IEC TS 62257-9-6:2019 is available as IEC TS 62257-9-6:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62257-9-6:2019 proposes a simple selection procedure and cheap, comparative tests which can be performed in laboratories of developing countries, in order to identify the most…
