Photometric Data Sheet
| Luminaire | Star - Wall Surface, 120 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 2,880 lm | Input power | 24.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B1-U0-G1 |
| Beam angle (50% Imax) | 120.0° | Field angle (10% Imax) | 171.0° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 882.7 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 300 mm dia. | Spacing/height (nominal) | 11.34 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 725 | 25.2% |
| 0–60° | 2,213 | 76.9% |
| 0–90° (total) | 2,880 | 100.0% |
Flux emitted within each downward cone. 77% of the total falls inside the rated beam angle.
| Zone | Back lm | Front lm |
|---|---|---|
| Low 0–30° | 363 | 363 |
| Mid 30–60° | 744 | 744 |
| High 60–80° | 283 | 283 |
| Very high 80–90° | 50 | 50 |
| Uplight 90–100° / 100–180° | 0 / 0 | |
Backlight, Uplight and Glare classes from the zone lumens, IES TM-15-11 limits. Calculated from this distribution.
Centre-beam illuminance and beam diameter on a surface directly below.
| γ | cd | γ | cd |
|---|---|---|---|
| 0° | 882.7 | 46° | 666.4 |
| 1° | 882.7 | 47° | 652.4 |
| 2° | 882.7 | 48° | 637.9 |
| 3° | 882.7 | 49° | 623.0 |
| 4° | 882.6 | 50° | 607.8 |
| 5° | 882.6 | 51° | 592.2 |
| 6° | 882.5 | 52° | 576.3 |
| 7° | 882.3 | 53° | 560.1 |
| 8° | 882.1 | 54° | 543.7 |
| 9° | 881.7 | 55° | 527.0 |
| 10° | 881.3 | 56° | 510.1 |
| 11° | 880.8 | 57° | 493.1 |
| 12° | 880.1 | 58° | 475.9 |
| 13° | 879.3 | 59° | 458.7 |
| 14° | 878.3 | 60° | 441.4 |
| 15° | 877.2 | 61° | 424.0 |
| 16° | 875.9 | 62° | 406.8 |
| 17° | 874.3 | 63° | 389.5 |
| 18° | 872.5 | 64° | 372.4 |
| 19° | 870.5 | 65° | 355.4 |
| 20° | 868.2 | 66° | 338.6 |
| 21° | 865.6 | 67° | 322.1 |
| 22° | 862.7 | 68° | 305.8 |
| 23° | 859.5 | 69° | 289.7 |
| 24° | 855.9 | 70° | 274.0 |
| 25° | 852.0 | 71° | 258.7 |
| 26° | 847.7 | 72° | 243.7 |
| 27° | 843.0 | 73° | 229.1 |
| 28° | 837.9 | 74° | 215.0 |
| 29° | 832.4 | 75° | 201.3 |
| 30° | 826.5 | 76° | 188.1 |
| 31° | 820.1 | 77° | 175.3 |
| 32° | 813.3 | 78° | 163.1 |
| 33° | 806.0 | 79° | 151.4 |
| 34° | 798.2 | 80° | 140.2 |
| 35° | 789.9 | 81° | 129.6 |
| 36° | 781.1 | 82° | 119.5 |
| 37° | 771.9 | 83° | 109.9 |
| 38° | 762.1 | 84° | 100.8 |
| 39° | 751.9 | 85° | 92.3 |
| 40° | 741.1 | 86° | 84.2 |
| 41° | 729.9 | 87° | 76.7 |
| 42° | 718.1 | 88° | 69.7 |
| 43° | 705.9 | 89° | 63.2 |
| 44° | 693.2 | 90° | 0.0 |
| 45° | 680.0 |
Candela at each vertical angle, C0-C180 plane.
| Mounting height | centre | 0.5 m | 1.0 m | 1.5 m | 2.0 m | Beam Ø |
|---|---|---|---|---|---|---|
| 2.0 m | 221 | 200 | 151 | 99 | 60 | 6.9 m |
| 2.5 m | 141 | 133 | 111 | 83 | 58 | 8.7 m |
| 3.0 m | 98 | 94 | 83 | 67 | 51 | 10.4 m |
| 3.5 m | 72 | 70 | 64 | 54 | 44 | 12.1 m |
| 4.0 m | 55 | 54 | 50 | 44 | 38 | 13.9 m |
Horizontal illuminance directly below the fitting (centre) and at each radial offset, for a single fitting. Use it to judge spacing for uniform light. Point-source projection, E = I·cosθ / D².