Photometric Data Sheet
| Luminaire | Flat - Panel Lights, 120 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 2,400 lm | Input power | 20.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | UGR | <19 |
| Beam angle (50% Imax) | 120.0° | Field angle (10% Imax) | 171.0° |
| Voltage |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 735.6 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 150 mm dia. | Spacing/height (nominal) | 11.34 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 605 | 25.2% |
| 0–60° | 1,844 | 76.9% |
| 0–90° (total) | 2,400 | 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° | 735.6 | 46° | 555.3 |
| 1° | 735.6 | 47° | 543.6 |
| 2° | 735.6 | 48° | 531.6 |
| 3° | 735.6 | 49° | 519.2 |
| 4° | 735.5 | 50° | 506.5 |
| 5° | 735.5 | 51° | 493.5 |
| 6° | 735.4 | 52° | 480.3 |
| 7° | 735.2 | 53° | 466.8 |
| 8° | 735.0 | 54° | 453.1 |
| 9° | 734.8 | 55° | 439.2 |
| 10° | 734.4 | 56° | 425.1 |
| 11° | 734.0 | 57° | 410.9 |
| 12° | 733.4 | 58° | 396.6 |
| 13° | 732.8 | 59° | 382.2 |
| 14° | 732.0 | 60° | 367.8 |
| 15° | 731.0 | 61° | 353.4 |
| 16° | 729.9 | 62° | 339.0 |
| 17° | 728.6 | 63° | 324.6 |
| 18° | 727.1 | 64° | 310.3 |
| 19° | 725.4 | 65° | 296.2 |
| 20° | 723.5 | 66° | 282.2 |
| 21° | 721.3 | 67° | 268.4 |
| 22° | 718.9 | 68° | 254.8 |
| 23° | 716.2 | 69° | 241.4 |
| 24° | 713.2 | 70° | 228.3 |
| 25° | 710.0 | 71° | 215.5 |
| 26° | 706.4 | 72° | 203.1 |
| 27° | 702.5 | 73° | 190.9 |
| 28° | 698.3 | 74° | 179.1 |
| 29° | 693.7 | 75° | 167.7 |
| 30° | 688.7 | 76° | 156.7 |
| 31° | 683.4 | 77° | 146.1 |
| 32° | 677.7 | 78° | 135.9 |
| 33° | 671.6 | 79° | 126.2 |
| 34° | 665.1 | 80° | 116.9 |
| 35° | 658.3 | 81° | 108.0 |
| 36° | 651.0 | 82° | 99.6 |
| 37° | 643.2 | 83° | 91.6 |
| 38° | 635.1 | 84° | 84.0 |
| 39° | 626.6 | 85° | 76.9 |
| 40° | 617.6 | 86° | 70.2 |
| 41° | 608.2 | 87° | 63.9 |
| 42° | 598.4 | 88° | 58.1 |
| 43° | 588.2 | 89° | 52.6 |
| 44° | 577.7 | 90° | 0.0 |
| 45° | 566.7 |
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 | 184 | 167 | 126 | 82 | 50 | 6.9 m |
| 2.5 m | 118 | 111 | 92 | 69 | 48 | 8.7 m |
| 3.0 m | 82 | 78 | 69 | 56 | 43 | 10.4 m |
| 3.5 m | 60 | 58 | 53 | 45 | 37 | 12.1 m |
| 4.0 m | 46 | 45 | 42 | 37 | 31 | 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.