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This Technical Specification provides guidelines for establishing confidence in product reliability using principal component testing for LED light sources and LED luminaires for general lighting. It includes methods and criteria using initial qualification tests and accelerated...
IEC TS 62861:2017(E) This Technical Specification provides guidelines for establishing confidence in product reliability using principal component testing for LED light sources and LED luminaires for general lighting. It includes methods and criteria using initial qualification tests...
This European Standard specifies aerodynamic, acoustic and electrical power performance test methods for fans used in residential ventilation. These methods primarily concern: - ventilation fans installed on a wall or in a window without any duct; - ventilation fans...
This International Standard specifies methods for determining . the insertion loss, in frequency bands, of ducted silencers with and without airflow, . the sound power level, in frequency bands, of the flow noise (or regenerated sound) generated by ducted silencers, . the total pressure loss of...
This International Standard applies to the combinations of motor(s), convertors (direct or indirect) and their control system and its object is to specify: - the performance characteristics of electric drives consisting of an convertor, alternating current motors, and the related control system; -...