Photometric Report
BLMQ-4'-4L-4L-840-UNV-L53.ies
Luminaire lumens
8,000 lm
Calculated from the candela data
Efficacy
131 lm/W
At 61.2 W input
Peak intensity
1,321 cd
At 140° vertical, 270° horizontal
Luminaire efficiency
82%
Of 9,784 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 | 30.5 fc | 12.6 ft | — |
| 8.0 ft | 17.2 fc | 16.8 ft | — |
| 10.0 ft | 11.0 fc | 21.0 ft | — |
| 12.0 ft | 7.6 fc | 25.2 ft | — |
| 14.0 ft | 5.6 fc | 29.4 ft | — |
| 16.0 ft | 4.3 fc | 33.5 ft | — |
| 24.0 ft | 1.9 fc | 50.3 ft | — |
| 32.0 ft | 1.1 fc | 67.1 ft | — |
| 40.0 ft | 0.7 fc | 83.9 ft | — |
| 48.0 ft | 0.5 fc | 100.6 ft | — |
| 56.0 ft | 0.4 fc | 117.4 ft | — |
| 64.0 ft | 0.3 fc | 134.2 ft | — |
File Details
- File
- BLMQ-4'-4L-4L-840-UNV-L53.ies
- Format
- LM-63-2002
- Photometric type
- Type C
- Horizontal symmetry
- No lateral symmetry
- Angles
- 37 vertical × 17 horizontal
- Light sources
- 192 × 51.0 lm
- Luminous opening (W × L × H)
- 0.398324 × 4.02618 × 0.331168 ft
- Input watts
- 61.2 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Mon Apr 6 13:58:44 2026
- Test number
- 1
- Lamp
- LED 0.17875W 2835 MID POWER (65MA)
- Lamp catalogue number
- SPMWH1228MD5WATUVK