LIGHT PLUS UK

Photometric Data Sheet

CatalogueLP-STR3204100

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

LuminaireNorwick - Street Lights, 156 degLamp / LEDIntegrated LED module
Luminous flux13,000 lmInput power100.0 W
Efficacy130.0 lm/WCCT
CRI>90BUG rating (TM-15-11)B3-U0-G4
Beam angle (50% Imax)156.0°Field angle (10% Imax)179.4°
VoltageAC220~240V

Goniometry summary

DistributionDirect, rotationally symmetricMaximum intensity2,874.9 cd
At angle0° VLuminous shapeCircular
Luminous size489 mm dia.Spacing/height (nominal)11.34

Luminous intensity (cd)

71914372156287590°90°

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

Zonal lumen summary

ZoneLumens% of total
0–30°2,39618.4%
0–60°8,19563.0%
0–90° (total)13,000100.0%

Flux emitted within each downward cone. 89% of the total falls inside the rated beam angle.

BUG rating B3-U0-G4

ZoneBack lmFront lm
Low 0–30°1,1981,198
Mid 30–60°2,8992,899
High 60–80°1,8081,808
Very high 80–90°595595
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 m2875 luxØ9.4 m2 m719 luxØ18.8 m3 m319 luxØ28.2 m

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

Intensity table

γcdγcd
2,874.946°2,562.3
2,874.947°2,540.0
2,874.948°2,516.8
2,874.849°2,492.6
2,874.850°2,467.4
2,874.751°2,441.3
2,874.552°2,414.2
2,874.353°2,386.2
2,874.054°2,357.2
2,873.655°2,327.3
10°2,873.056°2,296.4
11°2,872.357°2,264.6
12°2,871.458°2,231.9
13°2,870.459°2,198.4
14°2,869.160°2,164.0
15°2,867.561°2,128.7
16°2,865.862°2,092.7
17°2,863.763°2,055.8
18°2,861.364°2,018.3
19°2,858.565°1,980.0
20°2,855.466°1,941.0
21°2,852.067°1,901.5
22°2,848.068°1,861.3
23°2,843.769°1,820.5
24°2,838.970°1,779.3
25°2,833.571°1,737.6
26°2,827.772°1,695.5
27°2,821.373°1,653.1
28°2,814.374°1,610.4
29°2,806.775°1,567.4
30°2,798.576°1,524.2
31°2,789.777°1,480.8
32°2,780.178°1,437.4
33°2,769.979°1,394.0
34°2,758.980°1,350.6
35°2,747.181°1,307.3
36°2,734.682°1,264.1
37°2,721.383°1,221.2
38°2,707.184°1,178.5
39°2,692.285°1,136.1
40°2,676.386°1,094.1
41°2,659.687°1,052.6
42°2,642.088°1,011.5
43°2,623.589°970.9
44°2,604.090°0.0
45°2,583.6

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 m71965550534922818.8 m
2.5 m46043336528120523.5 m
3.0 m31930627122517728.2 m
3.5 m23522820818015032.9 m
4.0 m18017616414612637.6 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.