Poznámky redaktora
94 0.86
0.95 0.91
Reflector exposed above
(self-cleaning effect)
0.91 0.91 0.83 0.95
0.97
0.74 0.95 0.95 0.00
1.93 0.88 0.97
0.91
0.95 0.91 0.75
Indirect VC
C
N
S
1.85
0.94 0.92
Indirect luminaires 0.93 0.83 0.89 0.93
0.5
Direct VC
C
N
S
1.00
0.93 0.00
1.96 0.92
0.5 1.73
0.00
1.75
0.77
0.96
0.90 0.77
0.82 0.98
0.0 1.92 0.83 0.86
Direct/Indirect VC
C
N
S
1.00
1.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.93
0.89 0.85
Dust-proof IP5X 0.98 0.60
0.5)
Ambient conditions: very clean, clean, normal, soiled
0.94 0.00
1.00
1.00
0.00
1.91
0.96
0. with open light distribution 0.96 0.81 0.94 0.00
1.89 0.95
0.93 0.94 0.5 1.00
0.93 0.96 0.95
0.72
0.91
0.88 0.94 0.85 0.92 0.00
1.56
0.87
Reflector enclosed above
(no self-cleaning effect)
0.92
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 2.87 0.97
0.89 0.92 0.87
0.77 0.87
0.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.96 0.94 0.72 0.92 0.94
0.86
0.83 0.93 0.84
0.81 0.89
0.84
0.88 0.90
0.86 0.84
Enclosed IP2X 0.86 0.86 0.90 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
