Photometric Report
BLMB-8FT-16L-840-J31.ies
Luminaire lumens
15,940 lm
Calculated from the candela data
Efficacy
146 lm/W
At 109.0 W input
Peak intensity
6,209 cd
At 5° vertical, 67.5° horizontal
Luminaire efficiency
89%
Of 17,883 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 | 170.1 fc | 14.0 ft | 18.2 ft |
| 8.0 ft | 95.7 fc | 18.7 ft | 24.3 ft |
| 10.0 ft | 61.2 fc | 23.4 ft | 30.4 ft |
| 12.0 ft | 42.5 fc | 28.0 ft | 36.5 ft |
| 14.0 ft | 31.2 fc | 32.7 ft | 42.6 ft |
| 16.0 ft | 23.9 fc | 37.4 ft | 48.7 ft |
| 24.0 ft | 10.6 fc | 56.1 ft | 73.0 ft |
| 32.0 ft | 6.0 fc | 74.7 ft | 97.3 ft |
| 40.0 ft | 3.8 fc | 93.4 ft | 121.6 ft |
| 48.0 ft | 2.7 fc | 112.1 ft | 146.0 ft |
| 56.0 ft | 2.0 fc | 130.8 ft | 170.3 ft |
| 64.0 ft | 1.5 fc | 149.5 ft | 194.6 ft |
File Details
- File
- BLMB-8FT-16L-840-J31.ies
- Format
- LM-63-2002
- Photometric type
- Type C
- Horizontal symmetry
- Symmetric in each quadrant
- Angles
- 19 vertical × 5 horizontal
- Light sources
- 384 × 46.6 lm
- Luminous opening (W × L × H)
- 0.909751 × 8.07543 × 0.398415 ft
- Input watts
- 109 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Tue Oct 31 14:17:52 2023
- Test number
- 1
- Manufacturer
- BJ TAKE LIGHTING
- Luminaire
- BLMB-8FT-16L-840-J31
- Lamp
- LED 0.17875W 2835 MID POWER (65MA)
- Lamp catalogue number
- SPMWH1228MD5WATUVK