Photometric Report
BLHJ-4'-24L-850-L69.ies
Luminaire lumens
24,535 lm
Calculated from the candela data
Efficacy
157 lm/W
At 155.9 W input
Peak intensity
10,762 cd
At 5° vertical, 0° horizontal
Luminaire efficiency
89%
Of 27,538 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 | 247.6 fc | 13.2 ft | 12.4 ft |
| 8.0 ft | 139.3 fc | 17.6 ft | 16.5 ft |
| 10.0 ft | 89.1 fc | 22.0 ft | 20.6 ft |
| 12.0 ft | 61.9 fc | 26.4 ft | 24.8 ft |
| 14.0 ft | 45.5 fc | 30.8 ft | 28.9 ft |
| 16.0 ft | 34.8 fc | 35.2 ft | 33.0 ft |
| 24.0 ft | 15.5 fc | 52.7 ft | 49.6 ft |
| 32.0 ft | 8.7 fc | 70.3 ft | 66.1 ft |
| 40.0 ft | 5.6 fc | 87.9 ft | 82.6 ft |
| 48.0 ft | 3.9 fc | 105.5 ft | 99.1 ft |
| 56.0 ft | 2.8 fc | 123.0 ft | 115.6 ft |
| 64.0 ft | 2.2 fc | 140.6 ft | 132.2 ft |
File Details
- File
- BLHJ-4'-24L-850-L69.ies
- Format
- LM-63-2002
- Photometric type
- Type C
- Horizontal symmetry
- Symmetric in each quadrant
- Angles
- 19 vertical × 5 horizontal
- Light sources
- 672 × 41.0 lm
- Luminous opening (W × L × H)
- 0.955489 × 3.83832 × 0.179375 ft
- Input watts
- 155.9 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Mon Jan 27 08:42:00 2025
- Test number
- 1
- Manufacturer
- BJ TAKE LIGHTING
- Luminaire
- BLHJ-4'-24L-850-L69
- Lamp
- LED 0.4275W J SERIES 2835 HIGH EFFICACY COOL WHITE (150MA)
- Lamp catalogue number
- JE2835AWT-00-0000-0C0A0BH850E