Poznámky redaktora
0 1.92 0.83 0.90
0.94 0.93 0.00
1.96 0.94 0.95
0.77 0.95
0.00
1.88 0.95 0.92 0.94 0.00
1.94 0.97
0.93 0.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.87
0.89 0.96
0.87 0.00
1.83 0.84
0.92
0.88 0.96 0.89 0.87
0.91 0.89 0.86 0.75
0.60
0.96
0.86
Direct/Indirect VC
C
N
S
1.91 0.94 0.90 0.83 0.87
Reflector enclosed above
(no self-cleaning effect)
0.92
Indirect luminaires 0.77
0.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.85 0.85
0.94
0.93 0.82 0.96 0.88 0.93
0.92 0.90 0. with open light distribution 0.98 0.94 0.93 0.97
0.83 0.95 0.89
0.72
0.95
0.00
1.89 0.00
0.91
Reflector exposed above
(self-cleaning effect)
0.86 0.84
Enclosed IP2X 0.5 1.86
0.5)
Ambient conditions: very clean, clean, normal, soiled
0.77
0.56
0.81 0.72 0.93 0.91
0.81 0.75
Indirect VC
C
N
S
1.95 0.00
0.5 1.85
Dust-proof IP5X 0.98
0.93
0.00
0.91
0.91
0.73
0.95 0.95 0.96 0.5
Direct VC
C
N
S
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 2.00
1.00
1.00
1.97
0.00
1.94 0.93 0.74 0.92 0.86
0.86 0.84
0.92
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 0.91 0
