Photometric Data Sheet
| Luminaire | EDA - Ceiling Surface Lights, 90 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 2,400 lm | Input power | 20.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B1-U0-G0 |
| Beam angle (50% Imax) | 90.0° | Field angle (10% Imax) | 130.2° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 1,184.2 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 250 mm dia. | Spacing/height (nominal) | 4.30 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 934 | 38.9% |
| 0–60° | 2,213 | 92.2% |
| 0–90° (total) | 2,400 | 100.0% |
Flux emitted within each downward cone. 72% of the total falls inside the rated beam angle.
| Zone | Back lm | Front lm |
|---|---|---|
| Low 0–30° | 467 | 467 |
| Mid 30–60° | 639 | 639 |
| High 60–80° | 84 | 84 |
| Very high 80–90° | 10 | 10 |
| 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° | 1,184.2 | 46° | 561.6 |
| 1° | 1,184.2 | 47° | 531.3 |
| 2° | 1,184.1 | 48° | 501.2 |
| 3° | 1,184.0 | 49° | 471.5 |
| 4° | 1,183.9 | 50° | 442.3 |
| 5° | 1,183.5 | 51° | 413.7 |
| 6° | 1,183.1 | 52° | 385.9 |
| 7° | 1,182.4 | 53° | 358.8 |
| 8° | 1,181.4 | 54° | 332.6 |
| 9° | 1,180.2 | 55° | 307.4 |
| 10° | 1,178.6 | 56° | 283.3 |
| 11° | 1,176.6 | 57° | 260.2 |
| 12° | 1,174.1 | 58° | 238.4 |
| 13° | 1,171.1 | 59° | 217.7 |
| 14° | 1,167.6 | 60° | 198.2 |
| 15° | 1,163.4 | 61° | 180.0 |
| 16° | 1,158.5 | 62° | 163.0 |
| 17° | 1,152.9 | 63° | 147.3 |
| 18° | 1,146.5 | 64° | 132.8 |
| 19° | 1,139.2 | 65° | 119.4 |
| 20° | 1,131.1 | 66° | 107.2 |
| 21° | 1,122.0 | 67° | 96.1 |
| 22° | 1,111.9 | 68° | 86.1 |
| 23° | 1,100.7 | 69° | 77.0 |
| 24° | 1,088.5 | 70° | 68.9 |
| 25° | 1,075.2 | 71° | 61.6 |
| 26° | 1,060.7 | 72° | 55.2 |
| 27° | 1,045.1 | 73° | 49.5 |
| 28° | 1,028.3 | 74° | 44.5 |
| 29° | 1,010.3 | 75° | 40.1 |
| 30° | 991.2 | 76° | 36.3 |
| 31° | 970.9 | 77° | 33.0 |
| 32° | 949.5 | 78° | 30.1 |
| 33° | 926.9 | 79° | 27.6 |
| 34° | 903.3 | 80° | 25.4 |
| 35° | 878.6 | 81° | 23.5 |
| 36° | 853.0 | 82° | 21.9 |
| 37° | 826.5 | 83° | 20.5 |
| 38° | 799.1 | 84° | 19.3 |
| 39° | 771.0 | 85° | 18.3 |
| 40° | 742.2 | 86° | 17.3 |
| 41° | 712.9 | 87° | 16.5 |
| 42° | 683.1 | 88° | 15.8 |
| 43° | 652.9 | 89° | 15.2 |
| 44° | 622.6 | 90° | 0.0 |
| 45° | 592.1 |
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 | 296 | 266 | 188 | 106 | 52 | 4.0 m |
| 2.5 m | 189 | 177 | 143 | 98 | 59 | 5.0 m |
| 3.0 m | 132 | 126 | 108 | 84 | 58 | 6.0 m |
| 3.5 m | 97 | 94 | 84 | 70 | 53 | 7.0 m |
| 4.0 m | 74 | 72 | 67 | 58 | 47 | 8.0 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.