Photometric Data Sheet
| Luminaire | Sunny - Ceiling Surface Lights, 120 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 2,160 lm | Input power | 18.0 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 | AC110~240 V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 662.0 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° | 544 | 25.2% |
| 0–60° | 1,660 | 76.9% |
| 0–90° (total) | 2,160 | 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° | 272 | 272 |
| Mid 30–60° | 558 | 558 |
| High 60–80° | 213 | 213 |
| Very high 80–90° | 37 | 37 |
| 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° | 662.0 | 46° | 499.8 |
| 1° | 662.0 | 47° | 489.3 |
| 2° | 662.0 | 48° | 478.4 |
| 3° | 662.0 | 49° | 467.3 |
| 4° | 662.0 | 50° | 455.9 |
| 5° | 661.9 | 51° | 444.2 |
| 6° | 661.8 | 52° | 432.3 |
| 7° | 661.7 | 53° | 420.1 |
| 8° | 661.5 | 54° | 407.8 |
| 9° | 661.3 | 55° | 395.3 |
| 10° | 661.0 | 56° | 382.6 |
| 11° | 660.6 | 57° | 369.8 |
| 12° | 660.1 | 58° | 356.9 |
| 13° | 659.5 | 59° | 344.0 |
| 14° | 658.8 | 60° | 331.0 |
| 15° | 657.9 | 61° | 318.0 |
| 16° | 656.9 | 62° | 305.1 |
| 17° | 655.7 | 63° | 292.1 |
| 18° | 654.4 | 64° | 279.3 |
| 19° | 652.9 | 65° | 266.6 |
| 20° | 651.1 | 66° | 254.0 |
| 21° | 649.2 | 67° | 241.6 |
| 22° | 647.0 | 68° | 229.3 |
| 23° | 644.6 | 69° | 217.3 |
| 24° | 641.9 | 70° | 205.5 |
| 25° | 639.0 | 71° | 194.0 |
| 26° | 635.8 | 72° | 182.8 |
| 27° | 632.3 | 73° | 171.8 |
| 28° | 628.4 | 74° | 161.2 |
| 29° | 624.3 | 75° | 151.0 |
| 30° | 619.9 | 76° | 141.1 |
| 31° | 615.1 | 77° | 131.5 |
| 32° | 610.0 | 78° | 122.3 |
| 33° | 604.5 | 79° | 113.6 |
| 34° | 598.6 | 80° | 105.2 |
| 35° | 592.4 | 81° | 97.2 |
| 36° | 585.9 | 82° | 89.6 |
| 37° | 578.9 | 83° | 82.4 |
| 38° | 571.6 | 84° | 75.6 |
| 39° | 563.9 | 85° | 69.2 |
| 40° | 555.8 | 86° | 63.2 |
| 41° | 547.4 | 87° | 57.6 |
| 42° | 538.6 | 88° | 52.3 |
| 43° | 529.4 | 89° | 47.4 |
| 44° | 519.9 | 90° | 0.0 |
| 45° | 510.0 |
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 | 166 | 150 | 113 | 74 | 45 | 6.9 m |
| 2.5 m | 106 | 100 | 83 | 62 | 43 | 8.7 m |
| 3.0 m | 74 | 71 | 62 | 50 | 38 | 10.4 m |
| 3.5 m | 54 | 52 | 48 | 41 | 33 | 12.1 m |
| 4.0 m | 41 | 40 | 38 | 33 | 28 | 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.