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La CEI recommande son utilisation en tant que moyen simple et commode pour l'échange des spécifications relatives aux audiomètres pour l'étalonnage des écouteurs employés en audiométrie, bien que la pression acoustique produite par un écouteur ne soit pas, en général, la même dans ce coupleur et dans une oreille humaine. Cette publication a le statut d'un rapport.

Performance requirements, sample and test conditions, source of heat and test procedure. Has the status of a group safety publication in accordance with IEC Guide 104.

Condition requise de comportement, échantillon et conditions d'essai, source de chaleur et mode opératoire. A le statut d'une publication groupée de sécurité conformément au Guide 104.

S'applique aux composants qui doivent être soudés sur les circuits imprimés. Cette publication a le statut d'un rapport.

Voltage transformers.

Transformateurs de tension.

1. Scope 1.1 General This Standard covers the physical properties and workmanship requirements of sawn wood crossarms for power utility use (3¾ x 4¾ inches) and communication utility use (3¼ x 4¼ inches). 1.2 Reference Publications This Standard makes reference to the following publications, and where such reference is made it shall be to that edition of such publication as listed…

Replaces IEC 272. Covers the selection and implementation of reliability and maintainability activities, appropriate to each of the defined phases of the life of electrotechnical products. Provides management guidelines for establishing reliability and maintainability programmes applicable in varying degrees to the complete life cycle of electrotechnical products. Serves as a general standard…

Describes two jack sockets for 3.50 to 3.60 mm (0.138 to 0.142 in) and 2.44 to 2.49 mm (0.096 to 0.098 in) jack plugs (these are the minimum and maximum dimensions respectively of the two male gauges described in the publication).

Determines the effect on a specimen of standard treatments which are representative of the falls likely to occur during rough handling. Has the status of a basic safety publication in accordance with IEC Guide 104.