NF EN 60068-2-42

Environmental testing - Part 2-42 : tests - Test Kc : sulphur dioxide test for contacts and connections

L'objet de ce document est de : a) déterminer l'influence d'atmosphères contenant de l'anhydride sulfureux sur les propriétés de contact des connexions et contacts composés ou revêtus de métaux précieux, à l'exclusion des contacts composés d'argent et de quelques alliages d'argent ; b) vérifier les connexions sans soudure du point de vue de leur étanchéité ou de leur qualité. Dans tous les essais, le critère principal de performance est la variation de résistance de contact provoquée par l'exposition à l'atmosphère d'essai contenant de l'anhydride sulfureux.

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