Poznámky redaktora
84
Enclosed IP2X 0.92 0. with open light distribution 0.85
0.96 0.94 0.91 0.56
0.77
0.98 0.85
Dust-proof IP5X 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 2.72 0.5
Direct VC
C
N
S
1.00
1.96 0.94
0.95 0.00
0.00
1.86 0.94 0.93 0.97
0.97
0.84
0.91
0.89 0.75
Indirect VC
C
N
S
1.74 0.92 0.00
1.90
0.96 0.00
0.83 0.90 0.95 0.73
0.98
0.89 0.93 0.00
1.89 0.94 0.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.77
0.87
Reflector enclosed above
(no self-cleaning effect)
0.94 0.86
0.93 0.5)
Ambient conditions: very clean, clean, normal, soiled
0.83 0.96
0.93
0.95
0.0 1.00
1.94 0.00
1.92
0.88 0.93 0.00
0.87
0.95
0.00
1.93
0.87
0.89
0.92 0.94 0.90 0.00
1.95
0.93 0.82 0.87 0.00
1.86 0.91 0.95 0.83 0.95 0.91
Reflector exposed above
(self-cleaning effect)
0.88 0.93 0.84
0.86
0.89 0.5 1.92
0.86
Direct/Indirect VC
C
N
S
1.83 0.81 0.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.97
0.91 0.92 0.72
0.95 0.75
0.77 0.96
0.88 0.92
Indirect luminaires 0.91
0.91
0.96 0.94 0.60
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 0.86 0.5 1.81 0.85 0
