Photometric Report
BLVN-4FT-6L-850-L71-HE.ies
Luminaire lumens
5,487 lm
Calculated from the candela data
Efficacy
137 lm/W
At 40.0 W input
Peak intensity
1,512 cd
At 5° vertical, 67.5° horizontal
Luminaire efficiency
76%
Of 7,179 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 | 41.5 fc | 17.6 ft | 60.6 ft |
| 8.0 ft | 23.3 fc | 23.5 ft | 80.8 ft |
| 10.0 ft | 14.9 fc | 29.4 ft | 101.1 ft |
| 12.0 ft | 10.4 fc | 35.3 ft | 121.3 ft |
| 14.0 ft | 7.6 fc | 41.2 ft | 141.5 ft |
| 16.0 ft | 5.8 fc | 47.1 ft | 161.7 ft |
| 24.0 ft | 2.6 fc | 70.6 ft | 242.5 ft |
| 32.0 ft | 1.5 fc | 94.1 ft | 323.4 ft |
| 40.0 ft | 0.9 fc | 117.7 ft | 404.2 ft |
| 48.0 ft | 0.6 fc | 141.2 ft | 485.1 ft |
| 56.0 ft | 0.5 fc | 164.7 ft | 565.9 ft |
| 64.0 ft | 0.4 fc | 188.3 ft | 646.8 ft |
File Details
- File
- BLVN-4FT-6L-850-L71-HE.ies
- Format
- LM-63-2002
- Photometric type
- Type C
- Horizontal symmetry
- Symmetric in each quadrant
- Angles
- 19 vertical × 5 horizontal
- Light sources
- 112 × 64.1 lm
- Luminous opening (W × L × H)
- 0.333333 × 4.3125 × 0.31139 ft
- Input watts
- 39.99 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Wed Feb 12 08:17:06 2025
- Test number
- 1
- Manufacturer
- BJ TAKE LIGHTING
- Luminaire
- BLVN-4FT-6L-850-L71-HE
- Lamp
- LED 0.4275W J SERIES 2835 HIGH EFFICACY COOL WHITE (150MA)
- Lamp catalogue number
- JE2835AWT-00-0000-0C0A0BH850E