IEC 61978-1:2024 is available as IEC 61978-1:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61978-1:2024 applies to fibre optic passive chromatic dispersion compensators, all exhibiting the following features:
- they are optically passive;
- they have an optical input and an optical…
IEC 60875-1:2024 is available as IEC 60875-1:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60875-1:2024 applies to non-wavelength-selective fibre optic branching devices, all exhibiting the following features:
- they are passive, in that they contain no optoelectronic or other…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particula...
IEC 61558-2-12:2024 is available as IEC 61558-2-12:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61558-2-12:2024 deals with the safety of constant voltage transformers for general applications and power supply units for constant voltage for general applications. Constant voltage…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particula...
IEC 61558-2-12:2024 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 61558-2-12:2024 EXV includes the content of the references made to IEC 61558-1:2017.
IEC 61558-2-12:2024 deals with the safety of constant voltage…
Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 450: Mu...
IEC 61162-450:2024 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 61162-450:2024 edition 3.0 and the previous IEC 61162-450:2018 edition 2.0. Furthermore, comments from IEC TC 80 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of…
Industrial networks - Profiles - Part 5-6: Installation of fieldbuses - Installation profiles for CP...
IEC 61784-5-6:2024 is available as IEC 61784-5-6:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61784-5-6:2024 specifies the installation profiles for CPF 6 (INTERBUSTM)[1]. The installation profiles are specified in the annexes. These annexes are read in conjunction with IEC 61918:2018…
Industrial networks - Profiles - Part 5-8: Installation of fieldbuses - Installation profiles for CP...
IEC 61784-5-8:2024 is available as IEC 61784-5-8:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61784-5-8:2024 specifies the installation profiles for CPF 8 (CC-LinkTM[1]). The installation profiles are specified in the annexes. These annexes are read in conjunction with IEC 61918:2018,…
Industrial networks - Profiles - Part 5-19: Installation of fieldbuses - Installation profiles for C...
IEC 61784-5-19:2024 is available as IEC 61784-5-19:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61784-5-19:2024 specifies the installation profile for CPF 19 (MECHATROLINKTM[1]). The installation profiles are specified in the annexes. These annexes are read in conjunction with IEC…
Low-voltage switchgear and controlgear assemblies - Part 3: Distribution boards intended to be opera...
IEC 61439-3:2024 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 61439-3:2024 EXV includes the content of the references made to IEC 61439-1:2020.
IEC 61439-3:2024 defines the specific requirements for distribution…
Paper, board and pulps — Measurement of diffuse radiance factor (diffuse reflectance factor)
This document describes the general procedure for measuring the diffuse radiance factor of all types of pulp, paper and board. More particularly, it specifies in detail the procedures to be used for calibrating the equipment, and in Annex A, the characteristics of the equipment to be used for such measurements.
This document can be used to measure the diffuse radiance factors and related…
