Photometric Data Sheet
| Luminaire | Cova - Down Lights, 38 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 2,070 lm | Input power | 18.0 W |
| Efficacy | 115.0 lm/W | CCT | |
| CRI | >90 | UGR | <19 |
| Beam angle (50% Imax) | 38.0° | Field angle (10% Imax) | 62.7° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 4,789.6 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 145 mm dia. | Spacing/height (nominal) | 1.22 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 1,885 | 91.1% |
| 0–60° | 2,070 | 100.0% |
| 0–90° (total) | 2,070 | 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° | 4,789.6 | 46° | 14.7 |
| 1° | 4,786.8 | 47° | 10.8 |
| 2° | 4,774.7 | 48° | 7.9 |
| 3° | 4,750.2 | 49° | 5.7 |
| 4° | 4,711.3 | 50° | 4.1 |
| 5° | 4,656.7 | 51° | 2.9 |
| 6° | 4,585.3 | 52° | 2.0 |
| 7° | 4,496.7 | 53° | 1.4 |
| 8° | 4,390.8 | 54° | 1.0 |
| 9° | 4,267.8 | 55° | 0.7 |
| 10° | 4,128.5 | 56° | 0.0 |
| 11° | 3,973.9 | 57° | 0.0 |
| 12° | 3,805.2 | 58° | 0.0 |
| 13° | 3,624.3 | 59° | 0.0 |
| 14° | 3,432.8 | 60° | 0.0 |
| 15° | 3,233.0 | 61° | 0.0 |
| 16° | 3,027.0 | 62° | 0.0 |
| 17° | 2,817.0 | 63° | 0.0 |
| 18° | 2,605.6 | 64° | 0.0 |
| 19° | 2,394.8 | 65° | 0.0 |
| 20° | 2,186.9 | 66° | 0.0 |
| 21° | 1,984.0 | 67° | 0.0 |
| 22° | 1,787.8 | 68° | 0.0 |
| 23° | 1,600.1 | 69° | 0.0 |
| 24° | 1,422.1 | 70° | 0.0 |
| 25° | 1,255.0 | 71° | 0.0 |
| 26° | 1,099.6 | 72° | 0.0 |
| 27° | 956.4 | 73° | 0.0 |
| 28° | 825.8 | 74° | 0.0 |
| 29° | 707.6 | 75° | 0.0 |
| 30° | 601.7 | 76° | 0.0 |
| 31° | 507.7 | 77° | 0.0 |
| 32° | 425.0 | 78° | 0.0 |
| 33° | 353.0 | 79° | 0.0 |
| 34° | 290.9 | 80° | 0.0 |
| 35° | 237.7 | 81° | 0.0 |
| 36° | 192.7 | 82° | 0.0 |
| 37° | 154.9 | 83° | 0.0 |
| 38° | 123.4 | 84° | 0.0 |
| 39° | 97.6 | 85° | 0.0 |
| 40° | 76.4 | 86° | 0.0 |
| 41° | 59.4 | 87° | 0.0 |
| 42° | 45.7 | 88° | 0.0 |
| 43° | 34.9 | 89° | 0.0 |
| 44° | 26.4 | 90° | 0.0 |
| 45° | 19.8 |
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 | 1,197 | 782 | 182 | 20 | 2 | 1.4 m |
| 2.5 m | 766 | 592 | 234 | 52 | 8 | 1.7 m |
| 3.0 m | 532 | 448 | 238 | 81 | 20 | 2.1 m |
| 3.5 m | 391 | 346 | 220 | 99 | 34 | 2.4 m |
| 4.0 m | 299 | 274 | 195 | 106 | 46 | 2.8 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.