Photometric Data Sheet
| Luminaire | Brighty - Panel Lights, 120 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 4,560 lm | Input power | 36.0 W |
| Efficacy | 126.7 lm/W | CCT | |
| CRI | >90 | UGR | <19 |
| Beam angle (50% Imax) | 120.0° | Field angle (10% Imax) | 171.0° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 1,397.6 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 595 mm dia. | Spacing/height (nominal) | 11.34 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 1,149 | 25.2% |
| 0–60° | 3,504 | 76.9% |
| 0–90° (total) | 4,560 | 100.0% |
Flux emitted within each downward cone. 77% of the total falls inside the rated beam angle.
Centre-beam illuminance and beam diameter on a surface directly below.
| γ | cd | γ | cd |
|---|---|---|---|
| 0° | 1,397.6 | 46° | 1,055.2 |
| 1° | 1,397.6 | 47° | 1,032.9 |
| 2° | 1,397.6 | 48° | 1,010.0 |
| 3° | 1,397.6 | 49° | 986.5 |
| 4° | 1,397.5 | 50° | 962.4 |
| 5° | 1,397.4 | 51° | 937.7 |
| 6° | 1,397.2 | 52° | 912.5 |
| 7° | 1,397.0 | 53° | 886.9 |
| 8° | 1,396.6 | 54° | 860.8 |
| 9° | 1,396.1 | 55° | 834.4 |
| 10° | 1,395.4 | 56° | 807.7 |
| 11° | 1,394.6 | 57° | 780.7 |
| 12° | 1,393.5 | 58° | 753.5 |
| 13° | 1,392.2 | 59° | 726.2 |
| 14° | 1,390.7 | 60° | 698.8 |
| 15° | 1,388.9 | 61° | 671.4 |
| 16° | 1,386.8 | 62° | 644.0 |
| 17° | 1,384.3 | 63° | 616.8 |
| 18° | 1,381.5 | 64° | 589.7 |
| 19° | 1,378.2 | 65° | 562.8 |
| 20° | 1,374.6 | 66° | 536.2 |
| 21° | 1,370.5 | 67° | 510.0 |
| 22° | 1,365.9 | 68° | 484.1 |
| 23° | 1,360.8 | 69° | 458.7 |
| 24° | 1,355.2 | 70° | 433.9 |
| 25° | 1,349.0 | 71° | 409.5 |
| 26° | 1,342.2 | 72° | 385.8 |
| 27° | 1,334.8 | 73° | 362.8 |
| 28° | 1,326.7 | 74° | 340.4 |
| 29° | 1,318.0 | 75° | 318.7 |
| 30° | 1,308.6 | 76° | 297.8 |
| 31° | 1,298.5 | 77° | 277.6 |
| 32° | 1,287.7 | 78° | 258.3 |
| 33° | 1,276.1 | 79° | 239.8 |
| 34° | 1,263.8 | 80° | 222.0 |
| 35° | 1,250.7 | 81° | 205.2 |
| 36° | 1,236.8 | 82° | 189.2 |
| 37° | 1,222.1 | 83° | 174.0 |
| 38° | 1,206.7 | 84° | 159.6 |
| 39° | 1,190.5 | 85° | 146.1 |
| 40° | 1,173.4 | 86° | 133.4 |
| 41° | 1,155.6 | 87° | 121.5 |
| 42° | 1,137.0 | 88° | 110.4 |
| 43° | 1,117.7 | 89° | 100.0 |
| 44° | 1,097.6 | 90° | 0.0 |
| 45° | 1,076.7 |
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 | 349 | 317 | 239 | 157 | 95 | 6.9 m |
| 2.5 m | 224 | 210 | 175 | 131 | 91 | 8.7 m |
| 3.0 m | 155 | 149 | 131 | 106 | 81 | 10.4 m |
| 3.5 m | 114 | 111 | 101 | 86 | 70 | 12.1 m |
| 4.0 m | 87 | 85 | 79 | 70 | 60 | 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.