LIGHT PLUS UK

Photometric Data Sheet

CatalogueL+IND-502040

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

LuminaireParky - Industrial Lights, 120 degLamp / LEDIntegrated LED module
Luminous flux4,000 lmInput power40.0 W
Efficacy100.0 lm/WCCT
CRI>90BUG rating (TM-15-11)B2-U0-G1
Beam angle (50% Imax)120.0°Field angle (10% Imax)171.0°
VoltageAC220~240V

Goniometry summary

DistributionDirect, rotationally symmetricMaximum intensity1,226.0 cd
At angle0° VLuminous shapeCircular
Luminous size1,200 mm dia.Spacing/height (nominal)11.34

Luminous intensity (cd)

306613919122690°90°

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

Zonal lumen summary

ZoneLumens% of total
0–30°1,00825.2%
0–60°3,07476.9%
0–90° (total)4,000100.0%

Flux emitted within each downward cone. 77% of the total falls inside the rated beam angle.

BUG rating B2-U0-G1

ZoneBack lmFront lm
Low 0–30°504504
Mid 30–60°1,0331,033
High 60–80°394394
Very high 80–90°6969
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 m1226 luxØ3.5 m2 m306 luxØ6.9 m3 m136 luxØ10.4 m

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

Intensity table

γcdγcd
1,226.046°925.6
1,226.047°906.1
1,226.048°886.0
1,226.049°865.3
1,225.950°844.2
1,225.851°822.5
1,225.652°800.5
1,225.453°778.0
1,225.154°755.1
1,224.655°732.0
10°1,224.056°708.5
11°1,223.357°684.8
12°1,222.458°661.0
13°1,221.359°637.0
14°1,219.960°613.0
15°1,218.361°588.9
16°1,216.562°564.9
17°1,214.363°541.0
18°1,211.864°517.2
19°1,209.065°493.7
20°1,205.866°470.3
21°1,202.267°447.3
22°1,198.268°424.7
23°1,193.769°402.4
24°1,188.770°380.6
25°1,183.371°359.2
26°1,177.372°338.4
27°1,170.873°318.2
28°1,163.874°298.6
29°1,156.175°279.6
30°1,147.976°261.2
31°1,139.077°243.5
32°1,129.578°226.6
33°1,119.479°210.3
34°1,108.680°194.8
35°1,097.181°180.0
36°1,084.982°165.9
37°1,072.183°152.6
38°1,058.584°140.0
39°1,044.385°128.2
40°1,029.386°117.0
41°1,013.787°106.6
42°997.488°96.8
43°980.489°87.7
44°962.890°0.0
45°944.5

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 m306278210137836.9 m
2.5 m196185154115808.7 m
3.0 m136131115937110.4 m
3.5 m1009788766112.1 m
4.0 m777570625213.9 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.