LIGHT PLUS UK

Photometric Data Sheet

CatalogueLP-STR313090

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

LuminaireLoop - Street Lights, 36 degLamp / LEDIntegrated LED module
Luminous flux12,600 lmInput power90.0 W
Efficacy140.0 lm/WCCT
CRI>90BUG rating (TM-15-11)B4-U0-G0
Beam angle (50% Imax)36.0°Field angle (10% Imax)59.4°
VoltageAC 85 - 265

Goniometry summary

DistributionDirect, rotationally symmetricMaximum intensity32,418.8 cd
At angle0° VLuminous shapeCircular
Luminous size738 mm dia.Spacing/height (nominal)1.14

Luminous intensity (cd)

810516209243143241990°90°

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

Zonal lumen summary

ZoneLumens% of total
0–30°11,76993.4%
0–60°12,600100.0%
0–90° (total)12,600100.0%

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

BUG rating B4-U0-G0

ZoneBack lmFront lm
Low 0–30°5,8855,885
Mid 30–60°415415
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 m32419 luxØ0.6 m2 m8105 luxØ1.3 m3 m3602 luxØ1.9 m

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

Intensity table

γcdγcd
32,418.846°44.6
32,396.947°31.5
32,303.848°22.0
32,115.449°15.2
31,816.450°10.4
31,396.551°7.0
30,849.152°4.7
30,171.353°0.0
29,363.454°0.0
28,429.055°0.0
10°27,374.956°0.0
11°26,210.557°0.0
12°24,948.058°0.0
13°23,601.659°0.0
14°22,187.560°0.0
15°20,722.961°0.0
16°19,226.162°0.0
17°17,715.563°0.0
18°16,209.464°0.0
19°14,725.065°0.0
20°13,278.766°0.0
21°11,885.167°0.0
22°10,556.668°0.0
23°9,304.069°0.0
24°8,135.270°0.0
25°7,056.171°0.0
26°6,070.172°0.0
27°5,178.773°0.0
28°4,380.974°0.0
29°3,674.475°0.0
30°3,055.276°0.0
31°2,518.077°0.0
32°2,056.878°0.0
33°1,664.979°0.0
34°1,335.480°0.0
35°1,061.381°0.0
36°835.582°0.0
37°651.683°0.0
38°503.384°0.0
39°385.085°0.0
40°291.686°0.0
41°218.787°0.0
42°162.488°0.0
43°119.489°0.0
44°86.990°0.0
45°62.6

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 m8,1055,0539968661.3 m
2.5 m5,1873,8951,386256321.6 m
3.0 m3,6022,9801,477443921.9 m
3.5 m2,6462,3161,4015751722.3 m
4.0 m2,0261,8361,2636422492.6 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.