Poznámky redaktora
83 0.92
Indirect luminaires 0.77
0.89 0.83 0.95
0.94 0.5 1.86
Direct/Indirect VC
C
N
S
1.00
0.84
Enclosed IP2X 0.85
0.95
0.5)
Ambient conditions: very clean, clean, normal, soiled
0.98
0.90 0.98 0.75
0.90
0.86 0.96 0.93 0.00
0.91
0.81 0.00
1.90 0.91 0.5
Direct VC
C
N
S
1.93 0.00
1.00
1.95 0.77 0.91
0.00
1.00
1.93
0.93 0.94 0.88 0.89 0.83 0.83 0.00
1.93 0.84
0.92 0.95
0.86 0.96 0.93 0.91
Reflector exposed above
(self-cleaning effect)
0.86
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 0.95 0.96
0.00
1.00
1.92
0.96
0.87 0.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.00
1.89 0.73
0.94 0.95 0.94 0.94 0.86
0.89 0.92 0. with open light distribution 0.94 0.91
0.94 0.91 0.97
0.96 0.88 0.84
0.85 0.77
0.97
0.93
0.87
Reflector enclosed above
(no self-cleaning effect)
0.85
Dust-proof IP5X 0.87
0.92
0.88 0.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.87
0.75
Indirect VC
C
N
S
1.5 1.94
0.72
0.60
0.97
0.93 0.89
0.82 0.86 0.0 1.92 0.74 0.96 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 2.00
0.91 0.72 0.92 0.56
0.81 0.95 0
