Photometric Report
BLSPCT-4FT-6.5L-840.ies
Luminaire lumens
7,369 lm
Calculated from the candela data
Efficacy
152 lm/W
At 48.6 W input
Peak intensity
2,466 cd
At 5° vertical, 22.5° horizontal
Luminaire efficiency
100%
Of 7,367 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 |
|---|---|---|
| 6.0 ft | 66.4 fc | 19.6 ft |
| 8.0 ft | 37.3 fc | 26.1 ft |
| 10.0 ft | 23.9 fc | 32.6 ft |
| 12.0 ft | 16.6 fc | 39.1 ft |
| 14.0 ft | 12.2 fc | 45.6 ft |
| 16.0 ft | 9.3 fc | 52.2 ft |
| 24.0 ft | 4.1 fc | 78.2 ft |
| 32.0 ft | 2.3 fc | 104.3 ft |
| 40.0 ft | 1.5 fc | 130.4 ft |
| 48.0 ft | 1.0 fc | 156.5 ft |
| 56.0 ft | 0.8 fc | 182.5 ft |
| 64.0 ft | 0.6 fc | 208.6 ft |
File Details
- File
- BLSPCT-4FT-6.5L-840.ies
- Format
- LM-63-2002
- Photometric type
- Type C
- Horizontal symmetry
- Symmetric in each quadrant
- Angles
- 19 vertical × 5 horizontal
- Light sources
- 112 × 65.8 lm
- Luminous opening (W × L × H)
- 0.247526 × 4.24902 × 0.153265 ft
- Input watts
- 48.6 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Wed Sep 25 10:54:10 2024
- Test number
- 1
- Manufacturer
- BJ TAKE LIGHTING
- Luminaire
- BLSPCT-4FT-6.5L-840
- Lamp
- LED 0.17875W 2835 MID POWER (65MA)
- Lamp catalogue number
- SPMWH1228MD5WATUVK