Photometric Report
BLSPT-SL-4FT-4.5L-835-UNV-L18-W810.ies
Luminaire lumens
4,252 lm
Calculated from the candela data
Efficacy
132 lm/W
At 32.2 W input
Peak intensity
3,069 cd
At 15° vertical, 0° horizontal
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 | 55.5 fc | 4.7 ft | 7.7 ft |
| 8.0 ft | 31.2 fc | 6.3 ft | 10.3 ft |
| 10.0 ft | 20.0 fc | 7.9 ft | 12.9 ft |
| 12.0 ft | 13.9 fc | 9.5 ft | 15.5 ft |
| 14.0 ft | 10.2 fc | 11.0 ft | 18.1 ft |
| 16.0 ft | 7.8 fc | 12.6 ft | 20.6 ft |
| 24.0 ft | 3.5 fc | 18.9 ft | 31.0 ft |
| 32.0 ft | 2.0 fc | 25.2 ft | 41.3 ft |
| 40.0 ft | 1.2 fc | 31.6 ft | 51.6 ft |
| 48.0 ft | 0.9 fc | 37.9 ft | 61.9 ft |
| 56.0 ft | 0.6 fc | 44.2 ft | 72.3 ft |
| 64.0 ft | 0.5 fc | 50.5 ft | 82.6 ft |
File Details
- File
- BLSPT-SL-4FT-4.5L-835-UNV-L18-W810.ies
- Format
- LM-63-2019
- Photometric type
- Type C
- Horizontal symmetry
- No lateral symmetry
- Angles
- 73 vertical × 17 horizontal
- Light sources
- Absolute photometry
- Luminous opening (W × L × H)
- 4 × 0.271 × 0 ft
- Input watts
- 32.2 W
- Ballast factor
- 1
- Candela multiplier
- 1
- File generation type
- 1.10000
- Test number
- P509C
- Test lab
- Lumentra
- Issue date
- 07-JAN-2025
- Manufacturer
- BJ take Inc
- Catalogue number
- BLSPT-SL-4'-4.5L-835-UNV-L18-W810
- Luminaire
- BLSPT Asymmetric luminaire
- Lamp
- 112 White LEDS
- Driver
- 120V LED driver
- Voltage (V)
- 120.0
- Current (A)
- 0.2755
- Wattage (W)
- 32.2
- Power factor
- 0.974
- THD (%)
- 10.75
- Lumens (test lab)
- 4254.1
- Efficacy (test lab, lm/W)
- 132.11
- Stabilization time (min)
- 30