Photometric Report

BLRT22-4.5L-840.ies

LTI Optics - www.ltioptics.com/ies Tested Wed May 3 15:30:01 2023 LM-63-2002
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Luminaire lumens
4,588 lm
Calculated from the candela data
Efficacy
139 lm/W
At 32.9 W input
Peak intensity
1,455 cd
At 5° vertical, 0° horizontal
Luminaire efficiency
89%
Of 5,167 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 40.1 fc 17.3 ft 21.8 ft
8.0 ft 22.5 fc 23.1 ft 29.1 ft
10.0 ft 14.4 fc 28.8 ft 36.4 ft
12.0 ft 10.0 fc 34.6 ft 43.7 ft
14.0 ft 7.4 fc 40.4 ft 51.0 ft
16.0 ft 5.6 fc 46.1 ft 58.2 ft
24.0 ft 2.5 fc 69.2 ft 87.4 ft
32.0 ft 1.4 fc 92.3 ft 116.5 ft
40.0 ft 0.9 fc 115.3 ft 145.6 ft
48.0 ft 0.6 fc 138.4 ft 174.7 ft
56.0 ft 0.5 fc 161.5 ft 203.8 ft
64.0 ft 0.4 fc 184.5 ft 232.9 ft
File Details
File
BLRT22-4.5L-840.ies
Format
LM-63-2002
Photometric type
Type C
Horizontal symmetry
Symmetric in each quadrant
Angles
19 vertical × 5 horizontal
Light sources
96 × 53.8 lm
Luminous opening (W × L × H)
1.97917 × 2.04394 × 0.28139 ft
Input watts
32.9 W
Ballast factor
1
Candela multiplier
1
Ballast-lamp factor
1
Test lab
LTI Optics - www.ltioptics.com/ies
Test date
Wed May 3 15:30:01 2023
Test number
1
Manufacturer
BJ TAKE LIGHTING
Luminaire
BLRT22-4.5L-840
Lamp
LED 0.1885W MID POWER 3030 (65MA)
Lamp catalogue number
LM301B