Poznámky redaktora
91
0.72 0.72
0.96
0.86 0.95 0.96 0.92 0.84
0.86
0.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.94
0.96 0.89 0.97
0.75
0.5 1.77 0.00
1.91 0.94 0.87 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 0.92 0.86
Direct/Indirect VC
C
N
S
1.60
0.95
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 2.5)
Ambient conditions: very clean, clean, normal, soiled
0.93 0.91
Reflector exposed above
(self-cleaning effect)
0.00
1.00
1.94 0.00
1.89 0. with open light distribution 0.93 0.95 0.82 0.92
0.95 0.91 0.86 0.85
Dust-proof IP5X 0.81 0.92 0.95 0.89
0.84
Enclosed IP2X 0.5
Direct VC
C
N
S
1.83 0.74 0.00
1.93 0.85
0.87
0.84
0.90 0.77
0.85 0.00
0.00
0.5 1.91
0.94 0.0 1.97
0.73
0.89 0.88 0.91 0.95
0.91
0.56
0.81 0.83 0.97
0.75
Indirect VC
C
N
S
1.92
Indirect luminaires 0.88 0.96 0.00
1.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.96
0.89 0.86 0.86
0.88 0.94 0.94 0.93 0.00
1.00
1.98 0.93
0.83 0.94 0.92
0.90
0.87
0.77
0.95
0.98
0.95 0.96 0.94 0.93 0.93 0.90 0.93
0.83 0.92 0.00
0.00
1.87
Reflector enclosed above
(no self-cleaning effect)
0
