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IEC 62149-12:2023 This part of IEC 62149 defines performance specifications for distributed feedback laser diode (DFB-LD) devices used in analogue radio over fibre (RoF) systems. It defines product performance requirements together with a series of tests and measurements with clearly defined conditions, severities, and pass/fail criteria. The tests are intended to be run on a “once-off” basis to…

This document specifies how a welding procedure can be qualified by using tested welding consumable data. It expands on the requirements given in ISO 15607. In addition, it gives the range of qualification. Application of this document is limited to parent material groups 1.1, 8.1, 21, 22.1 and 22.2 in accordance with ISO/TR 15608, which produce acceptable microstructures and properties in the…

IEC TS 63074:2023 identifies the relevant aspects of the IEC 62443 series related to security threats and vulnerabilities that are considered for the design and implementation of safety-related control systems (SCS) which can lead to the loss of the ability to maintain safe operation of a machine. Typical security aspects related to the machine with potential relation to SCS are: –…

This document specifies an apparatus and the procedures for the laboratory wet disintegration of mechanical pulps that exhibit latency except when brightness is measured. This apparatus and procedure can be used for preparation of the test portion in other International Standards dealing with pulps. This document is applicable to all kind of mechanical pulps (i.e. mechanical, semi-chemical and…

This document provides general provisions and minimum criteria for using virtual reality and simulator equipment and systems instead of live training and drills with lifesaving appliances and arrangements, such as those required by SOLAS and MODU Code. This document is not intended to provide a generic training programme for the purposes of meeting International Convention on Standards of…

This document defines test soles representing —    an alpine ski-boot (form A) or at least the bottom part of it used for testing alpine ski-bindings for alpine skiing in accordance with ISO 9462 and ISO 9465, and —    a touring ski-boot (form T) or at least the bottom part of it used for testing touring ski-bindings for touring skiing in accordance with ISO 13992 and ISO 9465. This document also…

This document gives guidelines for the development of specific textile floor covering maintenance and cleaning standards, procedures and criteria to reflect local specific conditions. This document specifies the factors which will impact the final results of textile floor covering cleaning, defining maintenance and cleaning terms to highlight differences. It establishes textile floor covering…

This document provides information on the psycho-physiological effects related to the wearing of respiratory protective devices (RPD) and it is intended for the preparation of standards for selection and use of RPD. It specifies for the writers of RPD standards, principles relating to —    the interaction between RPD and the human physiological and psychological perception, —    the acceptance by…

IEC 60255-27:2023 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 60255-27:2023 edition 3.0 and the previous IEC 60255-27:2013 edition 2.0. Furthermore, comments from IEC TC 95 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the…

IEC 60297-3-1:2023 provides information on the technological schemes of the IEC 60297 series and shows how to apply the 19-inch series standards for the mechanical structure practices for electrical and electronic equipment.