LIGHT PLUS UK

Photometric Data Sheet

CatalogueLP-UL653507

Calculated photometric data — nominal values derived from a distribution model. Not LM-79 laboratory tested.

LuminaireOpo - Floor Lights, 38 degLamp / LEDIntegrated LED module
Luminous flux840 lmInput power7.0 W
Efficacy120.0 lm/WCCT
CRI>90BUG rating (TM-15-11)B1-U0-G0
Beam angle (50% Imax)38.0°Field angle (10% Imax)62.7°
VoltageAC220~240V

Goniometry summary

DistributionDirect, rotationally symmetricMaximum intensity1,943.6 cd
At angle0° VLuminous shapeCircular
Luminous size100 mm dia.Spacing/height (nominal)1.22

Luminous intensity (cd)

4869721458194490°90°

Polar distribution, rotationally symmetric. 0° is straight down.

Zonal lumen summary

ZoneLumens% of total
0–30°76591.1%
0–60°840100.0%
0–90° (total)840100.0%

Flux emitted within each downward cone. 59% of the total falls inside the rated beam angle.

BUG rating B1-U0-G0

ZoneBack lmFront lm
Low 0–30°383383
Mid 30–60°3737
High 60–80°00
Very high 80–90°00
Uplight 90–100° / 100–180°0 / 0

Backlight, Uplight and Glare classes from the zone lumens, IES TM-15-11 limits. Calculated from this distribution.

Illuminance cone

1 m1944 luxØ0.7 m2 m486 luxØ1.4 m3 m216 luxØ2.1 m

Centre-beam illuminance and beam diameter on a surface directly below.

Intensity table

γcdγcd
1,943.646°6.0
1,942.547°4.4
1,937.548°3.2
1,927.649°2.3
1,911.850°1.7
1,889.751°1.2
1,860.752°0.8
1,824.753°0.6
1,781.854°0.4
1,731.955°0.3
10°1,675.356°0.0
11°1,612.657°0.0
12°1,544.258°0.0
13°1,470.759°0.0
14°1,393.060°0.0
15°1,311.961°0.0
16°1,228.362°0.0
17°1,143.263°0.0
18°1,057.364°0.0
19°971.865°0.0
20°887.466°0.0
21°805.167°0.0
22°725.568°0.0
23°649.369°0.0
24°577.170°0.0
25°509.371°0.0
26°446.272°0.0
27°388.173°0.0
28°335.174°0.0
29°287.175°0.0
30°244.276°0.0
31°206.077°0.0
32°172.578°0.0
33°143.379°0.0
34°118.080°0.0
35°96.581°0.0
36°78.282°0.0
37°62.883°0.0
38°50.184°0.0
39°39.685°0.0
40°31.086°0.0
41°24.187°0.0
42°18.688°0.0
43°14.289°0.0
44°10.790°0.0
45°8.0

Candela at each vertical angle, C0-C180 plane.

Floor illuminance & spacing (lux)

Mounting heightcentre0.5 m1.0 m1.5 m2.0 mBeam Ø
2.0 m48631774811.4 m
2.5 m311240952131.7 m
3.0 m216182973382.1 m
3.5 m1591418940142.4 m
4.0 m1211117943182.8 m

Horizontal illuminance directly below the fitting (centre) and at each radial offset, for a single fitting. Use it to judge spacing for uniform light. Point-source projection, E = I·cosθ / D².