Poznámky redaktora
77
0.87
0.92 0.00
0.60
0.85 0.85
0.75
Indirect VC
C
N
S
1.98 0.89 0.89
0.93 0.96
0.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.93
0.95 0.86 0.5)
Ambient conditions: very clean, clean, normal, soiled
0.84
0.83 0.89 0.00
1.97
0.00
1.93 0.96 0.00
1. with open light distribution 0.83 0.5 1.77 0.00
1.00
1.86
Direct/Indirect VC
C
N
S
1.84
Enclosed IP2X 0.93 0.94 0.91
0.95
0.92
0.00
0.95 0.92
0.96 0.00
1.87 0.93 0.86 0.74 0.72
0.5 1.81 0.00
1.96 0.81 0.77
0.82 0.85
Dust-proof IP5X 0.95
0.91
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 2.73
0.90 0.95 0.95
0.88 0.93 0.93 0.91 0.87
Reflector enclosed above
(no self-cleaning effect)
0.94 0.00
0.91 0.89 0.94 0.91 0.90
0.83 0.00
1.94 0.95 0.92 0.86 0.86
0.92
Indirect luminaires 0.97
0.92 0.5
Direct VC
C
N
S
1.00
1.86
0.84
0.83 0.72 0.96 0.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.97
0.94 0.88 0.95 0.98
0.93
0.75
0.88 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 0.94
0.94 0.56
0.91
Reflector exposed above
(self-cleaning effect)
0.0 1.87
0.94 0.90 0.96
0.91
0.89 0
