Photometric Report
BLHV-2FT-12L-840-L49.ies
Luminaire lumens
11,117 lm
Calculated from the candela data
Efficacy
138 lm/W
At 80.8 W input
Peak intensity
5,648 cd
At 0° vertical, 0° horizontal
Luminaire efficiency
91%
Of 12,160 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 | 156.9 fc | 14.7 ft | 9.1 ft |
| 8.0 ft | 88.3 fc | 19.7 ft | 12.1 ft |
| 10.0 ft | 56.5 fc | 24.6 ft | 15.2 ft |
| 12.0 ft | 39.2 fc | 29.5 ft | 18.2 ft |
| 14.0 ft | 28.8 fc | 34.4 ft | 21.2 ft |
| 16.0 ft | 22.1 fc | 39.3 ft | 24.2 ft |
| 24.0 ft | 9.8 fc | 59.0 ft | 36.4 ft |
| 32.0 ft | 5.5 fc | 78.6 ft | 48.5 ft |
| 40.0 ft | 3.5 fc | 98.3 ft | 60.6 ft |
| 48.0 ft | 2.5 fc | 117.9 ft | 72.7 ft |
| 56.0 ft | 1.8 fc | 137.6 ft | 84.9 ft |
| 64.0 ft | 1.4 fc | 157.2 ft | 97.0 ft |
File Details
- File
- BLHV-2FT-12L-840-L49.ies
- Format
- LM-63-2002
- Photometric type
- Type C
- Horizontal symmetry
- Symmetric in each quadrant
- Angles
- 19 vertical × 5 horizontal
- Light sources
- 252 × 48.3 lm
- Luminous opening (W × L × H)
- 1.2106 × 2.21898 × 0.487293 ft
- Input watts
- 80.8 W
- Ballast factor
- 1
- Candela multiplier
- 1
- Ballast-lamp factor
- 1
- Test lab
- LTI Optics - www.ltioptics.com/ies
- Test date
- Thu May 4 09:48:31 2023
- Test number
- 1
- Manufacturer
- BJ TAKE LIGHTING
- Luminaire
- BLHV-2FT-12L-840-L49
- Lamp
- LED 0.1885W MID POWER 3030 (65MA)
- Lamp catalogue number
- LM301B