Photometric Report

BLRD-2x4-8L-840-L18.ies

LTI Optics - www.ltioptics.com/ies Tested Fri May 23 08:44:01 2025 LM-63-2002
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Luminaire lumens
8,087 lm
Calculated from the candela data
Efficacy
115 lm/W
At 70.6 W input
Peak intensity
4,152 cd
At 0° vertical, 0° horizontal
Luminaire efficiency
81%
Of 9,999 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 115.3 fc 11.0 ft 10.4 ft
8.0 ft 64.9 fc 14.7 ft 13.9 ft
10.0 ft 41.5 fc 18.4 ft 17.4 ft
12.0 ft 28.8 fc 22.1 ft 20.8 ft
14.0 ft 21.2 fc 25.7 ft 24.3 ft
16.0 ft 16.2 fc 29.4 ft 27.8 ft
24.0 ft 7.2 fc 44.1 ft 41.7 ft
32.0 ft 4.1 fc 58.8 ft 55.6 ft
40.0 ft 2.6 fc 73.6 ft 69.5 ft
48.0 ft 1.8 fc 88.3 ft 83.3 ft
56.0 ft 1.3 fc 103.0 ft 97.2 ft
64.0 ft 1.0 fc 117.7 ft 111.1 ft
File Details
File
BLRD-2x4-8L-840-L18.ies
Format
LM-63-2002
Photometric type
Type C
Horizontal symmetry
Symmetric in each quadrant
Angles
19 vertical × 5 horizontal
Light sources
192 × 52.1 lm
Luminous opening (W × L × H)
1.9867 × 3.98832 × 0.291673 ft
Input watts
70.5999 W
Ballast factor
1
Candela multiplier
1
Ballast-lamp factor
1
Test lab
LTI Optics - www.ltioptics.com/ies
Test date
Fri May 23 08:44:01 2025
Test number
1
Lamp
LED 0.17875W 2835 MID POWER (65MA)
Lamp catalogue number
SPMWH1228MD5WATUVK