Photometric Report

BLHPB-8'-38L-850-UNV.ies

LTI Optics - www.ltioptics.com/ies Tested Wed Jun 4 09:30:08 2025 LM-63-2002
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Luminaire lumens
37,999 lm
Calculated from the candela data
Efficacy
153 lm/W
At 248.6 W input
Peak intensity
11,157 cd
At 45° vertical, 270° horizontal
Luminaire efficiency
89%
Of 42,511 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 205.3 fc 10.5 ft —
8.0 ft 115.5 fc 14.0 ft —
10.0 ft 73.9 fc 17.6 ft —
12.0 ft 51.3 fc 21.1 ft —
14.0 ft 37.7 fc 24.6 ft —
16.0 ft 28.9 fc 28.1 ft —
24.0 ft 12.8 fc 42.1 ft —
32.0 ft 7.2 fc 56.2 ft —
40.0 ft 4.6 fc 70.2 ft —
48.0 ft 3.2 fc 84.3 ft —
56.0 ft 2.4 fc 98.3 ft —
64.0 ft 1.8 fc 112.3 ft —
File Details
File
BLHPB-8'-38L-850-UNV.ies
Format
LM-63-2002
Photometric type
Type C
Horizontal symmetry
No lateral symmetry
Angles
37 vertical × 17 horizontal
Light sources
672 × 63.3 lm
Luminous opening (W × L × H)
0.329081 × 8 × 0.517129 ft
Input watts
248.59 W
Ballast factor
1
Candela multiplier
1
Ballast-lamp factor
1
Test lab
LTI Optics - www.ltioptics.com/ies
Test date
Wed Jun 4 09:30:08 2025
Test number
1
Lamp
LED 0.4275W J SERIES 2835 HIGH EFFICACY COOL WHITE (150MA)
Lamp catalogue number
JE2835AWT-00-0000-0C0A0BH850E