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Comparison: old lighting system vs. new lighting system
Operating data
Old system (fluorescent)
on/off switch only
New system (LED)
switched on/off
New system 2 (LED)
switched on/off
Lighting system
VELA 600 MP surf – T16-R
VELA 600 MP D/I surf DALI
MITA circle 450 D/I ceiling DALI
Light output (%)
100 %
100 % (not dimmed)
100 % (not dimmed)
Illuminance Em*
500 lx
790 lx
1000 lx
Uniformity U0*
0.77
0.83
0.80
Power consumption (W)
976 W
496 W
480 W
Power consumption area (W/m²)
13.9 W/m²
7.1 W/m²
6.8 W/m²
Energy / CO2 savings (%)
0 %
49 %
51 %
Operating data
Old system (fluorescent)
on/off switch only
New system (LED)
dimmed
New system 2 (LED)
dimmed
Lighting system
VELA 600 MP surf – T16-R
VELA 600 MP D/I surf DALI
MITA circle 450 D/I ceiling DALI
Light output (%)
100 %
64 % (dimmed)
50 % (dimmed)
Illuminance Em*
500 lx
500 lx
500 lx
Uniformity U0*
0.77
0.83
0.80
Power consumption (W)
976 W
312 W
240 W
Power consumption area (W/m²)
13.9 W/m²
4.5 W/m²
3.4 W/m²
Energy / CO2 savings (%)
0 %
69 %
76 %
Lighting system in on/off mode (switch only)
Lighting system in DALI mode (dimmable)
* Maintenance value of 500 lx illuminance – The Em specifications refer to the standard-compliant illumination of the visual task within a room-related lighting design
according to DIN EN 12464-1
Benefits of lighting retrofitting
Low maintenance costs and high
rated service life L90 @ 50.000 h
Up to 75 % energy / CO2 savings
compared to old systems with
dimming and 500 lx maintenance
value
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