Direct acting indicating analogue electrical measuring instruments and their accessories - Part 2: S...
IEC 60051-2:2018 applies to direct acting indicating ammeters and voltmeters having an analogue display.
It also applies to:
• direct acting indicating ammeters and voltmeters whose scale marks do not correspond directly to their electrical input quantity, provided that the relationship between them is known;
• direct acting indicating ammeters and voltmeters and accessories having…
The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site.
ISO/IEC 30141:2018 This document provides a standardized IoT Reference Architecture using a common vocabulary, reusable designs and industry best practices. It uses a top down approach, beginning with collecting the most important characteristics of IoT,…
Optical fibre cables - Part 4-20: Sectional specification - Aerial optical cables along electrical p...
IEC 60794-4-20:2018 is also available as IEC 60794-4-20:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60794-4-20:2018 covers optical telecommunication cables, commonly with single-mode fibres used primarily in overhead power lines applications. The cables can also be used in other…
Automatic electrical controls - Part 2-8: Particular requirements for electrically operated water va...
<!-- NEW -->IEC 60730-2-8:2018 is also available as <a href="https://webstore.iec.ch/publication/63801">IEC 60730-2-8:2018 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br />
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IEC 60730-2-8:2018 applies to electrically operated water valves for…
Preparation of steel substrates before application of paints and related products — Specifications f...
This document specifies requirements for fused aluminium oxide abrasives, as supplied for blast-cleaning processes. It specifies ranges of particle sizes and values for apparent density, bulk density, Mohs hardness, moisture content, conductivity of aqueous extract and water-soluble chlorides.
The requirements specified in this document apply to abrasives supplied in the "new" condition…
Insulating liquids - Determination of the breakdown voltage at power frequency - Test method
IEC 60156:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60156:2018 specifies the method for determining the dielectric breakdown voltage of insulating liquids at power…
Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General ...
IEC 61753-1:2018 is also available as IEC 61753-1:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61753-1:2018 provides guidance for the drafting of performance standards for all passive fibre optic products. This document defines the tests and severities which form the performance…
Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General ...
IEC 61753-1:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61753-1:2018 provides guidance for the drafting of performance standards for all passive fibre optic products.…
Power transformers - Part 11: Dry-type transformers
IEC 60076-11:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60076-11:2018 applies to dry-type power transformers (including auto-transformers) having values of highest…
Nuclear power plants - Instrumentation and control systems important to safety - Software aspects fo...
IEC 62138:2018 is also available as IEC 62138:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62138:2018 specifies requirements for the software of computer-based instrumentation and control (I&C) systems performing functions of safety category B or C as defined by IEC 61226. It…
