Photometric Data Sheet
| Luminaire | Down - Down Lights, 120 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) | 120.0° | Field angle (10% Imax) | 171.0° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 551.7 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 165 mm dia. | Spacing/height (nominal) | 11.34 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 453 | 25.2% |
| 0–60° | 1,383 | 76.9% |
| 0–90° (total) | 1,800 | 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° | 551.7 | 46° | 416.5 |
| 1° | 551.7 | 47° | 407.7 |
| 2° | 551.7 | 48° | 398.7 |
| 3° | 551.7 | 49° | 389.4 |
| 4° | 551.7 | 50° | 379.9 |
| 5° | 551.6 | 51° | 370.1 |
| 6° | 551.5 | 52° | 360.2 |
| 7° | 551.4 | 53° | 350.1 |
| 8° | 551.3 | 54° | 339.8 |
| 9° | 551.1 | 55° | 329.4 |
| 10° | 550.8 | 56° | 318.8 |
| 11° | 550.5 | 57° | 308.2 |
| 12° | 550.1 | 58° | 297.4 |
| 13° | 549.6 | 59° | 286.7 |
| 14° | 549.0 | 60° | 275.8 |
| 15° | 548.2 | 61° | 265.0 |
| 16° | 547.4 | 62° | 254.2 |
| 17° | 546.4 | 63° | 243.5 |
| 18° | 545.3 | 64° | 232.8 |
| 19° | 544.0 | 65° | 222.1 |
| 20° | 542.6 | 66° | 211.7 |
| 21° | 541.0 | 67° | 201.3 |
| 22° | 539.2 | 68° | 191.1 |
| 23° | 537.2 | 69° | 181.1 |
| 24° | 534.9 | 70° | 171.3 |
| 25° | 532.5 | 71° | 161.7 |
| 26° | 529.8 | 72° | 152.3 |
| 27° | 526.9 | 73° | 143.2 |
| 28° | 523.7 | 74° | 134.4 |
| 29° | 520.3 | 75° | 125.8 |
| 30° | 516.6 | 76° | 117.5 |
| 31° | 512.6 | 77° | 109.6 |
| 32° | 508.3 | 78° | 102.0 |
| 33° | 503.7 | 79° | 94.6 |
| 34° | 498.9 | 80° | 87.7 |
| 35° | 493.7 | 81° | 81.0 |
| 36° | 488.2 | 82° | 74.7 |
| 37° | 482.4 | 83° | 68.7 |
| 38° | 476.3 | 84° | 63.0 |
| 39° | 469.9 | 85° | 57.7 |
| 40° | 463.2 | 86° | 52.7 |
| 41° | 456.2 | 87° | 48.0 |
| 42° | 448.8 | 88° | 43.6 |
| 43° | 441.2 | 89° | 39.5 |
| 44° | 433.2 | 90° | 0.0 |
| 45° | 425.0 |
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 | 138 | 125 | 94 | 62 | 38 | 6.9 m |
| 2.5 m | 88 | 83 | 69 | 52 | 36 | 8.7 m |
| 3.0 m | 61 | 59 | 52 | 42 | 32 | 10.4 m |
| 3.5 m | 45 | 44 | 40 | 34 | 28 | 12.1 m |
| 4.0 m | 34 | 34 | 31 | 28 | 24 | 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.