Philips - TL-D

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Contents

Fluorescent lamps TL D Standard colours Fluorescent lighting is efficient and economical The efficacy lumen watt of all fluorescent lamps is high compared to most other light sources Different luminaires are available for various purposes TL D lamps are low pressure mercury discharge lamps with a clear tubular 26 mm envelope The tube wall is internally covered with a mixture of fluorescent powders TL D Standard colours have a moderate colour rendering index C R I 50 75 Especially the red part of the spectral power distribution is moderately covered by standard colours TL D Standard colours are mostly used in applications where colour rendering is not an important parameter The efficacy ofTL D Standard colours is lower than TL D 80 col ...