Rechercher

Applies to amplifiers which form part of a sound system for professional and household applications. Gives recommendations relative to the characteristics to be specified and the relevant measuring methods for amplifiers.

Includes Clause 5, Protection system, and Clause 9, General alarms. The IEC 60231 series of standards is no longer up-to-date and will not be revised by IEC. The standards are maintained for the time being for bibliographical purposes and because they were used in the past for the design of nuclear power plants which are still in operation.

Contient l'article 5: Système de protection, et l'article 8: Signalisations de défaut. La série de normes CEI 60231 n'est plus à jour et ne sera pas révisée par la CEI. Les normes sont maintenues provisoirement pour des raisons bibliographiques et parce que dans le passé elles servaient à la conception de centrales nucléaires qui fonctionnent toujours.

Covers the determination of the technical performance of a refrigerating system, but not the functional duty of a complete installation or the performance of its individual components. The term "refrigerating system" implies the conventional vapour compression type consisting of compressing, condensing and evaporating apparatus, together with the interconnecting piping, and the…