The Lighting Handbook ZG

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Vydal: ZG Lighting Czech Republic s.r.o

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85 0.74 0.89 0.84 Enclosed IP2X 0.91 Reflector exposed above (self-cleaning effect) 0.5) Ambient conditions: very clean, clean, normal, soiled 0.00 0.92 0.83 0.92 0.00 1.92 0.84 0.55 From CIE publication “Maintenance indoor electric lighting systems”, dated 2005, ISBN 3900734348 The figures the table above apply reflection factors 70/50/20 and medium-sized room 2.97 0.90 0.86 0.95 0.72 0.92 0.95 0.97 0.56 0.00 0.88 0.00 1.94 0.75 Indirect VC C N S 1.91 0.91 0.96 0.86 0.96 0.75 0.00 1.81 0.0 Table for luminaire maintenance factor (LMF) Table for room maintenance factor (RMF) Maintenance lighting systems .85 0.00 1.89 0.83 0.93 0.83 0.93 0.95 0.5 1.0 1.83 0.93 0.90 0.202 The Lighting Handbook Luminaire cleaning interval years Environment type C Luminaire type Batten lum.96 0.94 0.91 0.87 Reflector enclosed above (no self-cleaning effect) 0.00 1.00 1.5 1.90 0.93 0.88 0.77 0.89 0. with open light distribution 0.95 0.81 From CIE publication “Maintenance indoor electric lighting systems”, dated 2005, ICBN 3900734348 Ambient conditions: very clean, clean, normal, soiled Luminaire cleaning interval years Illumination type Environment type 0.94 0.72 0.88 0.84 0.60 0.93 0.97 0.81 0.93 0.93 0.87 0.86 Direct/Indirect VC C N S 1.95 0.91 0.92 0.95 0.89 0.98 0.92 0.96 0.86 0.96 0.00 0.77 0.96 0.86 0.86 0.92 Indirect luminaires 0.95 0.91 0.94 0.93 0.94 0.94 0.87 0.89 0.77 0.85 Dust-proof IP5X 0.00 1.00 1.00 1.73 0.95 0.5 Direct VC C N S 1.94 0.94 0.91 0.87 0.82 0.98 0