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La présente partie 2 de la CEI 61558 est applicable aux transformateurs d'isolement à enroulements séparés fixes ou mobiles, monophasés ou polyphasés, à refroidissement par air, associés ou non, ayant une tension primaire...

This Standard specifies requirements for the design, construction, assembly, testing, inspection, marking, documenting and assessment of equipment assemblies for use in explosive atmospheres under the responsibility of the...

IEC 60601-2-2:2017 applies to the basic safety and essential performance of HF surgical equipment and HF surgical accessories. HF surgical equipment having a rated output power not exceeding 50 W (for example for micro...

This document gives guidelines for the application of quality management in projects. It is applicable to organizations working on projects of varying complexity, small or large, of short or long duration, being an individual...

CSA C22.2 No. 61730 specifies and describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation. Specific topics are provided to assess the...

The water treatment systems covered in this standard shall be self-regeneration anion exchange systems designed to reduce nitrate from drinking water. The systems shall use anion exchange media that prevents nitrate dumping...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the check valve, a liquefied...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the manual valve, a liquefied...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the tank pressure gauge, a...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the pressure relief valve (PRV)...

IEC 60335-2-79:2016 deals with the safety of high-pressure cleaners without traction drive, intended for household and commercial indoor or outdoor use, having a rated pressure not less than 2,5 MPa and not exceeding 35 MPa...

This document describes the regular expression support in SQL (ISO/IEC 9075-2) adopted from the regular expression syntax of XQuery and XPath Functions and Operators 3.1, which is derived from Perl. This document discusses...