Photometric Data Sheet
| Luminaire | Dropy - Suspended & Pendant, 36 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 1,800 lm | Input power | 15.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | UGR | <19 |
| Beam angle (50% Imax) | 36.0° | Field angle (10% Imax) | 59.4° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 4,631.3 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 120 mm dia. | Spacing/height (nominal) | 1.14 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 1,681 | 93.4% |
| 0–60° | 1,800 | 100.0% |
| 0–90° (total) | 1,800 | 100.0% |
Flux emitted within each downward cone. 59% 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° | 4,631.3 | 46° | 6.4 |
| 1° | 4,628.1 | 47° | 4.5 |
| 2° | 4,614.8 | 48° | 3.1 |
| 3° | 4,587.9 | 49° | 2.2 |
| 4° | 4,545.2 | 50° | 1.5 |
| 5° | 4,485.2 | 51° | 1.0 |
| 6° | 4,407.0 | 52° | 0.7 |
| 7° | 4,310.2 | 53° | 0.0 |
| 8° | 4,194.8 | 54° | 0.0 |
| 9° | 4,061.3 | 55° | 0.0 |
| 10° | 3,910.7 | 56° | 0.0 |
| 11° | 3,744.4 | 57° | 0.0 |
| 12° | 3,564.0 | 58° | 0.0 |
| 13° | 3,371.7 | 59° | 0.0 |
| 14° | 3,169.6 | 60° | 0.0 |
| 15° | 2,960.4 | 61° | 0.0 |
| 16° | 2,746.6 | 62° | 0.0 |
| 17° | 2,530.8 | 63° | 0.0 |
| 18° | 2,315.6 | 64° | 0.0 |
| 19° | 2,103.6 | 65° | 0.0 |
| 20° | 1,897.0 | 66° | 0.0 |
| 21° | 1,697.9 | 67° | 0.0 |
| 22° | 1,508.1 | 68° | 0.0 |
| 23° | 1,329.1 | 69° | 0.0 |
| 24° | 1,162.2 | 70° | 0.0 |
| 25° | 1,008.0 | 71° | 0.0 |
| 26° | 867.2 | 72° | 0.0 |
| 27° | 739.8 | 73° | 0.0 |
| 28° | 625.8 | 74° | 0.0 |
| 29° | 524.9 | 75° | 0.0 |
| 30° | 436.5 | 76° | 0.0 |
| 31° | 359.7 | 77° | 0.0 |
| 32° | 293.8 | 78° | 0.0 |
| 33° | 237.8 | 79° | 0.0 |
| 34° | 190.8 | 80° | 0.0 |
| 35° | 151.6 | 81° | 0.0 |
| 36° | 119.4 | 82° | 0.0 |
| 37° | 93.1 | 83° | 0.0 |
| 38° | 71.9 | 84° | 0.0 |
| 39° | 55.0 | 85° | 0.0 |
| 40° | 41.7 | 86° | 0.0 |
| 41° | 31.2 | 87° | 0.0 |
| 42° | 23.2 | 88° | 0.0 |
| 43° | 17.1 | 89° | 0.0 |
| 44° | 12.4 | 90° | 0.0 |
| 45° | 8.9 |
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 | 1,158 | 722 | 142 | 12 | 1 | 1.3 m |
| 2.5 m | 741 | 556 | 198 | 37 | 5 | 1.6 m |
| 3.0 m | 515 | 426 | 211 | 63 | 13 | 1.9 m |
| 3.5 m | 378 | 331 | 200 | 82 | 25 | 2.3 m |
| 4.0 m | 289 | 262 | 180 | 92 | 36 | 2.6 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.