Sunlight condition
Illuminance (lx)
Direct sunlight on ground in summer
7000-110000
Outdoor ground in sunny day (no direct sunlight)
5000-24000
Interior ground with good daylighting
100-1000
Arttificial lighting on working desktop
100-500
Outdoor ground in full moon night
0.5
What is illuminance?
When the lighting lights upon an object, we say surface of this object is being illuminated. The lighting level of the surface is measured by illuminance, and the illuminance is the amount of luminous flux per unit area (total luminous flux incident on a surface divided the acreage of the surface).
The origin of light distribution angle
The light distribution curve has a half-light intensity angle of 26° and belongs to a rotationally symmetric light distribution.
(The half-light intensity angle is the half-value angle, which is the normal direction of the center of the light source, and the angle of 50% of the maximum cd value.)
The maximum intensity value of the luminaire *0.5 and the intersection of the light curve is the angle of the obtained light type.
(The half-light intensity angle is the half-value angle, which is the normal direction of the center of the light source, and the angle of 50% of the maximum cd value.)
The maximum intensity value of the luminaire *0.5 and the intersection of the light curve is the angle of the obtained light type.
Maximum Light Intensity
Maximum Light Intensity*0.5
Lighting distribution data
Luminous intensity
Light intensity contour
Angle contour
Illumination map
H(m)
H: vertical illumination height
Vertical distance from the light exit of the luminaire to the illuminated surface
Vertical distance from the light exit of the luminaire to the illuminated surface
D(m)
0.21/0.0.41/0.62/0.83/1.03
The diameter of the light type corresponding to the irradiation distance H
The diameter of the light type corresponding to the irradiation distance H
H(m)
E is the maximum illuminance value of the center when the irradiation distance is H
Oval light type curve
Luminous intensity
Light intensity contour
Angle contour
Illumination map
H(m)
H: vertical illumination height
Vertical distance from the light exit of the luminaire to the illuminated surface
Vertical distance from the light exit of the luminaire to the illuminated surface
D(m)
C0
C0
0.21/0.0.41/0.62/0.83/1.030.98/1.95/2.93/3.90/4.88 Diameter of the light type corresponding to the irradiation distance H
D(m)
C90
C90
0.43/0.85/1.28/1.70/2.13
Diameter when C90 direction is the short axis direction and the irradiation distance is H
Diameter when C90 direction is the short axis direction and the irradiation distance is H
E(lx)
E is the maximum illuminance value of the center when the irradiation distance is H
Wallwash light type curve
Wallwash is asymmetrical lighting pattern, continuously splicing multiple wallwash can offer great uniformity for a space from the top ceiling to the bottom with impressive spacious atmosphere; Wallwash is particular suitable for large flat exhibits and anaglyph artworks.
Light intensity contour
Angle contour
Height Distance from the wall
10m
4000mm
9m
3600mm
8m
3200mm
7m
2800mm
6m
2400mm
5m
2000mm
4m
1600mm
3m
1200mm
1.6m
Note: All above data is provided only for your reference. Lighting performance might be different according to various exhibition space layouts. Please call 400-687-2598 for specific lighting guide.
