Photometric Report

BRLS-4'-4L-840.ies

LTI Optics - www.ltioptics.com/ies Tested Wed Sep 25 13:11:21 2024 LM-63-2002
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Luminaire lumens
4,330 lm
Calculated from the candela data
Efficacy
125 lm/W
At 34.6 W input
Peak intensity
1,553 cd
At 0° vertical, 0° horizontal
Luminaire efficiency
93%
Of 4,653 rated lamp lumens
Polar Candela Distribution

Each curve is a vertical slice through the luminaire: the listed plane on the right, the plane 180° opposite on the left. 0° is straight down.

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3D Candela Distribution

Intensity in every direction. Distance from the centre is candela. Drag to rotate.

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Iso Candela Diagram

Looking up at the luminaire. The centre is straight down and the outer ring is the horizon (90°). Horizontal angles run clockwise from 0° at the top.

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Cone of Light

Light level directly below the luminaire, and the beam width on the floor where intensity falls to 50% of peak. Two widths are listed when the luminaire's 0–180° and 90–270° beams differ.

Mtg Height Light Level Beam Diameter (0°-180°) Beam Diameter (90°-270°)
6.0 ft 43.1 fc 14.0 ft 18.3 ft
8.0 ft 24.3 fc 18.7 ft 24.4 ft
10.0 ft 15.5 fc 23.3 ft 30.5 ft
12.0 ft 10.8 fc 28.0 ft 36.5 ft
14.0 ft 7.9 fc 32.7 ft 42.6 ft
16.0 ft 6.1 fc 37.3 ft 48.7 ft
24.0 ft 2.7 fc 56.0 ft 73.1 ft
32.0 ft 1.5 fc 74.7 ft 97.4 ft
40.0 ft 1.0 fc 93.3 ft 121.8 ft
48.0 ft 0.7 fc 112.0 ft 146.2 ft
56.0 ft 0.5 fc 130.7 ft 170.5 ft
64.0 ft 0.4 fc 149.4 ft 194.9 ft
File Details
File
BRLS-4'-4L-840.ies
Format
LM-63-2002
Photometric type
Type C
Horizontal symmetry
Symmetric in each quadrant
Angles
19 vertical × 5 horizontal
Light sources
96 × 48.5 lm
Luminous opening (W × L × H)
0.333333 × 4 × 0.110571 ft
Input watts
34.6 W
Ballast factor
1
Candela multiplier
1
Ballast-lamp factor
1
Test lab
LTI Optics - www.ltioptics.com/ies
Test date
Wed Sep 25 13:11:21 2024
Test number
1
Manufacturer
BJ TAKE LIGHTING
Luminaire
BRLS-4'-4L-840
Lamp
LED 0.17875W 2835 MID POWER (65MA)
Lamp catalogue number
SPMWH1228MD5WATUVK