Photometric Data Sheet
| Luminaire | Sunny II - Ceiling Surface Lights, 120 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 2,500 lm | Input power | 25.0 W |
| Efficacy | 100.0 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 | 766.2 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° | 630 | 25.2% |
| 0–60° | 1,921 | 76.9% |
| 0–90° (total) | 2,500 | 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° | 315 | 315 |
| Mid 30–60° | 646 | 646 |
| High 60–80° | 246 | 246 |
| Very high 80–90° | 43 | 43 |
| 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° | 766.2 | 46° | 578.5 |
| 1° | 766.2 | 47° | 566.3 |
| 2° | 766.2 | 48° | 553.7 |
| 3° | 766.2 | 49° | 540.8 |
| 4° | 766.2 | 50° | 527.6 |
| 5° | 766.1 | 51° | 514.1 |
| 6° | 766.0 | 52° | 500.3 |
| 7° | 765.9 | 53° | 486.2 |
| 8° | 765.7 | 54° | 472.0 |
| 9° | 765.4 | 55° | 457.5 |
| 10° | 765.0 | 56° | 442.8 |
| 11° | 764.6 | 57° | 428.0 |
| 12° | 764.0 | 58° | 413.1 |
| 13° | 763.3 | 59° | 398.1 |
| 14° | 762.5 | 60° | 383.1 |
| 15° | 761.5 | 61° | 368.1 |
| 16° | 760.3 | 62° | 353.1 |
| 17° | 758.9 | 63° | 338.1 |
| 18° | 757.4 | 64° | 323.3 |
| 19° | 755.6 | 65° | 308.5 |
| 20° | 753.6 | 66° | 294.0 |
| 21° | 751.4 | 67° | 279.6 |
| 22° | 748.8 | 68° | 265.4 |
| 23° | 746.1 | 69° | 251.5 |
| 24° | 743.0 | 70° | 237.9 |
| 25° | 739.6 | 71° | 224.5 |
| 26° | 735.8 | 72° | 211.5 |
| 27° | 731.8 | 73° | 198.9 |
| 28° | 727.4 | 74° | 186.6 |
| 29° | 722.6 | 75° | 174.7 |
| 30° | 717.4 | 76° | 163.3 |
| 31° | 711.9 | 77° | 152.2 |
| 32° | 706.0 | 78° | 141.6 |
| 33° | 699.6 | 79° | 131.4 |
| 34° | 692.9 | 80° | 121.7 |
| 35° | 685.7 | 81° | 112.5 |
| 36° | 678.1 | 82° | 103.7 |
| 37° | 670.0 | 83° | 95.4 |
| 38° | 661.6 | 84° | 87.5 |
| 39° | 652.7 | 85° | 80.1 |
| 40° | 643.3 | 86° | 73.1 |
| 41° | 633.6 | 87° | 66.6 |
| 42° | 623.4 | 88° | 60.5 |
| 43° | 612.8 | 89° | 54.8 |
| 44° | 601.7 | 90° | 0.0 |
| 45° | 590.3 |
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 | 192 | 174 | 131 | 86 | 52 | 6.9 m |
| 2.5 m | 123 | 115 | 96 | 72 | 50 | 8.7 m |
| 3.0 m | 85 | 82 | 72 | 58 | 44 | 10.4 m |
| 3.5 m | 63 | 61 | 55 | 47 | 38 | 12.1 m |
| 4.0 m | 48 | 47 | 44 | 39 | 33 | 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.