Poznámky redaktora
96
0.92
0.91 0.74 0.91 0.93
0.00
0.93 0.96
0.92
0.77 0.89 0.77
0.5)
Ambient conditions: very clean, clean, normal, soiled
0.91
0.92 0.94 0.96 0.90 0.81 0.89 0.86
0.96 0.72 0.84
Enclosed IP2X 0.91
0.93
0.95
0.83 0.72
0.93 0.90 0.93 0.84
0.00
1.00
1.83 0.00
0.87
0.95 0.83 0.98
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 0.83 0.86
Direct/Indirect VC
C
N
S
1.91 0.82 0.94 0.91
0.89 0.95 0.86 0.77
0.202
The Lighting Handbook
Luminaire cleaning
interval years
Environment type C
Luminaire type
Batten lum.75
Indirect VC
C
N
S
1.95 0.95 0.86 0.0 1.94
0.91
Reflector exposed above
(self-cleaning effect)
0.94 0.88 0.85
Dust-proof IP5X 0.00
1.92 0.90
0.88 0.89
0.95
0.95
0.98 0.5 1.87
Reflector enclosed above
(no self-cleaning effect)
0.00
0.00
1.95 0.92 0.5
Direct VC
C
N
S
1.73
0.86
0.93 0.94 0.0
Table for luminaire maintenance factor (LMF)
Table for room maintenance factor (RMF)
Maintenance lighting systems
.96 0.84
0.88 0.92
Indirect luminaires 0.93 0.97
0.94 0.96 0.5 1.97
0.00
1.92 0.60
0.87 0.94 0.85
0.94 0.87
0.86 0.93 0.97
0.85 0.81 0.75
0.89 0.00
1.00
1.00
1. with open light distribution 0.56
0.00
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
