Photometric Report
BLHJ-2'-48L-850-L69.ies
Luminaire lumens
47,553 lm
Calculated from the candela data
Efficacy
148 lm/W
At 320.4 W input
Peak intensity
22,327 cd
At 10° vertical, 0° horizontal
Luminaire efficiency
89%
Of 53,522 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 | 524.5 fc | 11.4 ft | 10.7 ft |
| 8.0 ft | 295.0 fc | 15.3 ft | 14.3 ft |
| 10.0 ft | 188.8 fc | 19.1 ft | 17.9 ft |
| 12.0 ft | 131.1 fc | 22.9 ft | 21.5 ft |
| 14.0 ft | 96.3 fc | 26.7 ft | 25.1 ft |
| 16.0 ft | 73.8 fc | 30.5 ft | 28.6 ft |
| 24.0 ft | 32.8 fc | 45.8 ft | 43.0 ft |
| 32.0 ft | 18.4 fc | 61.0 ft | 57.3 ft |
| 40.0 ft | 11.8 fc | 76.3 ft | 71.6 ft |
| 48.0 ft | 8.2 fc | 91.6 ft | 85.9 ft |
| 56.0 ft | 6.0 fc | 106.8 ft | 100.3 ft |
| 64.0 ft | 4.6 fc | 122.1 ft | 114.6 ft |
File Details
- File
- BLHJ-2'-48L-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 × 79.6 lm
- Luminous opening (W × L × H)
- 1.79924 × 1.99458 × 0.179375 ft
- Input watts
- 320.4 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Fri Jan 24 15:54:58 2025
- Test number
- 1
- Manufacturer
- BJ TAKE LIGHTING
- Luminaire
- BLHJ-2'-48L-850-L69
- Lamp
- LED 0.4275W J SERIES 2835 HIGH EFFICACY COOL WHITE (150MA)
- Lamp catalogue number
- JE2835AWT-00-0000-0C0A0BH850E