Machines-outils — Conditions d'essai des machines à rectifier les surfaces extérieures sans cen...
Le présent document spécifie, par référence à l'ISO 230‑1 et à l'ISO 230‑2, des essais géométriques, des essais d'usinage et des essais d'exactitude et de répétabilité de positionnement des axes des machines à rectifier les surfaces de révolution extérieures sans centre, d'usage général et d'exactitude normale manuelles et à commande numérique (CN). Il spécifie…
Machine tools — Test conditions for external cylindrical centreless grinding machines — Testing of t...
The document specifies, with reference to ISO 230-1 and ISO 230-2, geometric tests, machining tests and tests for accuracy and repeatability of positioning axes on general purpose and normal accuracy manually and numerically controlled (NC) external cylindrical centreless grinding machines. It also specifies the applicable tolerances corresponding to the above-mentioned tests.
This document deals…
Electrical installations in ships - Part 350: General construction and test methods of power, contro...
<!-- NEW! -->IEC 60092-350:2020 is available as <a href="https://webstore.iec.ch/publication/66486">IEC 60092-350:2020 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 60092-350:2020 provides the general constructional requirements and…
Electrical installations in ships - Part 350: General construction and test methods of power, contro...
IEC 60092-350:2020 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 60092-350:2020 provides the general constructional requirements and test methods for use in the manufacture of…
Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, ...
IEC 61000-4-11:2020 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 61000-4-11:2020 defines the immunity test methods and range of preferred test levels for electrical and…
Luminaires - Part 2-1: Particular requirements - Fixed general purpose luminaires
IEC 60598-2-1:2020 specifies requirements for fixed general purpose luminaires for use with electric light sources on supply voltages not exceeding 1 000 V.
This second edition cancels and replaces the first edition published in 1979 and Amendment 1:1987. This edition constitutes a technical revision.
This edition includes the following technical changes with respect to the previous edition (…
Luminaires - Partie 2-1: Exigences particulières - Luminaires fixes à usage général
L'IEC 60598-2-1:2020 spécifie les exigences applicables aux luminaires fixes à usage général destinés à être utilisés avec des sources lumineuses électriques à des tensions d'alimentation ne dépassant pas 1 000 V.
Cette deuxième édition annule et remplace la première édition parue en 1979 et l’Amendement 1:1987. Cette édition constitue une révision technique.
Cette édition inclut les…
