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> > XAL

XAL

60

XAL: Sustainable Lighting 2023, 21 52

xal.com/eco-office
Operating data
Old system (fluorescent)
on/off switch only
New system (LED)
switched on/off
Lighting system
MINO 60 D/I – T5/16
BETO suspended D/I DALI
Light output (%)
100 %
100 % (not dimmed)
Illuminance Em*
500 lx
860 lx
Uniformity U0*
0.62
0.70
Power consumption (W)
1006 W
518 W
Power consumption area (W/m2)
6.2 W/m²
3.2 W/m²
Energy / CO2 savings (%)
0 %
48 %
Operating data
Old system (fluorescent)
on/off switch only
New system (LED)
dimmed
Lighting system
MINO 60 D/I – T5/16
BETO suspended D/I DALI
Light output (%)
100 %
87 % (dimmed)
Illuminance Em*
500 lx
750 lx
Uniformity U0*
0.62
0.70
Power consumption (W)
1006 W
451 W
Power consumption area (W/m2)
6.2 W/m²
2.8 W/m²
Energy / CO2 savings (%)
0 %
55 %
Comparison: old lighting system vs. new lighting system
Lighting system in on/off mode (switch only)
Lighting system in DALI mode (dimmable)
* The Em specifications refer to the standard-compliant illumination of the visual task. The values for the immediate surroundings and the background in the planning
example are also standard-compliant according to DIN EN 12464-1
Benefits of retrofitting lighting
Low maintenance costs and high
rated service life L90 @ 50.000 h
High energy saving potential with
significantly higher light output
compared to the old system –
up to 55 % energy / CO2 savings
compared to old systems with dim-
ming, with increased illuminance
with 750 lx maintenance value
(according to DIN EN 12464-1)
€
21

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XAL

Sustainable Lighting 2023 21 of 52

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