Environmental testing - Part 2-67: Tests - Test Cy: Damp heat, steady state, accelerated test primar...
IEC 60068-2-67:1995+A1:2019 provides a standard test procedure for the purpose of evaluating, in an accelerated manner, the resistance of small electrotechnical products, primarily non-hermetically sealed components, to the deteriorative effect of damp heat. The test is not intended to evaluate external effects such as corrosion and deformation.
This consolidated version consists of the first…
Essais d'environnement - Partie 2-67: Essais - Essai Cy: Essai continu de chaleur humide, essai...
L'IEC 60068-2-67:1995+A1:2019 fournit une méthode d'essai normalisée permettant d'évaluer, de manière accélérée, la résistance de produits électrotechniques de petites dimensions, principalement de composants non hermétiquement fermés, à la dégradation par la chaleur humide.
Cette version consolidée comprend la première édition (1995) et son amendement 1 (2019). Il n'est donc…
Gaseous fire-extinguishing systems — Physical properties and system design — Part 8: HFC 125 extingu...
This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 125 extinguishant. It includes details of physical properties, specifications, usage and safety aspects.
This document is applicable to systems operating at nominal pressures of 25 bar and 42 bar, superpressurized with nitrogen. This does not preclude the use of other systems.
Gaseous fire-extinguishing systems — Physical properties and system design — Part 9: HFC 227ea extin...
This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specifications, usage and safety aspects.
This document is applicable to systems operating at nominal pressures of 25 bar, 42 bar and 50 bar with nitrogen propellant. This does not preclude the use of other systems.
Gaseous fire-extinguishing systems — Physical properties and system design — Part 10: HFC 23 extingu...
This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 23 extinguishant. It includes details of physical properties, specifications, usage and safety aspects. It is applicable to systems operating at a nominal pressure of 41 bar without nitrogen superpressurization and 70 bar superpressurized with nitrogen.
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety ...
IEC 62841-3-4:2016+A1:2019 applies to transportable bench grinders that can be equipped with one or two accessories as follows:
- type 1 grinding wheels in accordance with ISO 603-4:1999 with a diameter not exceeding 310 mm and a thickness not exceeding 55 mm;
- wire brushes with a diameter not exceeding 310 mm and a thickness not exceeding 55 mm;
- polishing wheels with a diameter not…
