Photometric Report
BLSPC-8FT-11L-840.ies
Luminaire lumens
12,895 lm
Calculated from the candela data
Efficacy
158 lm/W
At 81.5 W input
Peak intensity
4,134 cd
At 5° vertical, 180° horizontal
Luminaire efficiency
100%
Of 12,896 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 | 112.8 fc | 22.1 ft | 20.7 ft |
| 8.0 ft | 63.5 fc | 29.5 ft | 27.6 ft |
| 10.0 ft | 40.6 fc | 36.9 ft | 34.5 ft |
| 12.0 ft | 28.2 fc | 44.2 ft | 41.4 ft |
| 14.0 ft | 20.7 fc | 51.6 ft | 48.3 ft |
| 16.0 ft | 15.9 fc | 59.0 ft | 55.2 ft |
| 24.0 ft | 7.1 fc | 88.4 ft | 82.8 ft |
| 32.0 ft | 4.0 fc | 117.9 ft | 110.4 ft |
| 40.0 ft | 2.5 fc | 147.4 ft | 138.0 ft |
| 48.0 ft | 1.8 fc | 176.9 ft | 165.6 ft |
| 56.0 ft | 1.3 fc | 206.4 ft | 193.2 ft |
| 64.0 ft | 1.0 fc | 235.9 ft | 220.8 ft |
File Details
- File
- BLSPC-8FT-11L-840.ies
- Format
- LM-63-2002
- Photometric type
- Type C
- Horizontal symmetry
- Symmetric 0-180°
- Angles
- 37 vertical × 9 horizontal
- Light sources
- 192 × 67.2 lm
- Luminous opening (W × L × H)
- 0.275001 × 7.6729 × 0.15335 ft
- Input watts
- 81.5 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Wed Sep 25 10:26:22 2024
- Test number
- 1
- Manufacturer
- BJ TAKE LIGHTING
- Luminaire
- BLSPC-8FT-11L-840
- Lamp
- LED 0.1885W MID POWER 3030 (65MA)
- Lamp catalogue number
- LM301B