Poznámky redaktora
88 0.75
0.86 0.92
0.81 0.86
Direct/Indirect VC
C
N
S
1.00
1.00
1.85 0.72 0.92 0.96
0.87
0.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.90 0.82 0.77 0.75
Indirect VC
C
N
S
1.92 0.5 1.93 0.95
0.96 0.94 0.85
Dust-proof IP5X 0.89 0.93
0.95 0.94 0.83 0.91
0.77
0.00
1.00
1.89 0.94 0.98 0.88 0.83 0.74 0.87
Reflector enclosed above
(no self-cleaning effect)
0.91 0.97
0.85
0.00
1.00
1.90
0.00
0.77
0.94 0.93 0.00
1. with open light distribution 0.94 0.86 0.92 0.86 0.72
0.96 0.83 0.60
0.95 0.95 0.91
0.5 1.55
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 2.92
Indirect luminaires 0.94
0.96 0.95 0.84
Enclosed IP2X 0.93 0.73
0.84
0.91
0.89
0.91 0.84
0.97
0.90 0.00
1.88 0.00
1.92 0.56
0.93 0.94 0.00
0.94 0.91 0.93 0.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.95
0.96
0.00
0.97
0.95 0.93 0.93
0.89 0.98
0.81 0.0 1.91
Reflector exposed above
(self-cleaning effect)
0.95
0.87
0.87 0.86
0.89 0.92
0.5
Direct VC
C
N
S
1.86
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 0.5)
Ambient conditions: very clean, clean, normal, soiled
0.83 0.96 0
