Poznámky redaktora
75
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 2.96 0.96 0.00
0.90 0.77
0.94 0.77 0.87 0.87
0.93 0.93 0.77
0.96 0.92 0.94 0.97
0.00
0.92 0.92
0.89 0.95 0.00
0.95
0.83 0.95
0.96
0.89 0.91
0.5)
Ambient conditions: very clean, clean, normal, soiled
0.82 0.5
Direct VC
C
N
S
1.91 0.90 0.00
1.81
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 0.00
1.91
0.88 0.97
0.00
1.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.93 0.83 0.93 0.86 0.89
0.87
0.98
0.75
Indirect VC
C
N
S
1.97
0.89 0.56
0.90
0.93
0.81 0.92 0.86 0.91 0.00
1.95 0.95 0.94 0.92
0.85
Dust-proof IP5X 0.73
0.85
0.86
Direct/Indirect VC
C
N
S
1.94 0.72 0.85 0.83 0.92 0.86 0.94 0.88 0.95
0.0 1.00
1.5 1.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.00
1.00
1.94 0.86
0.95 0.74 0.95 0.84
0.86
0.96 0.00
1.60
0.83 0.72
0.98 0.81 0.91
0.96
0.94 0.89 0.88 0.93
0.93 0.93 0.94
0.91
Reflector exposed above
(self-cleaning effect)
0.91 0.87
Reflector enclosed above
(no self-cleaning effect)
0.00
1.5 1. with open light distribution 0.92
Indirect luminaires 0.84
Enclosed IP2X 0.84
0
