Photometric Data Sheet
| Luminaire | Stello - Wall Recessed, 37 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 330 lm | Input power | 3.0 W |
| Efficacy | 110.0 lm/W | CCT | |
| CRI | >90 | UGR | <19 |
| Beam angle (50% Imax) | 37.0° | Field angle (10% Imax) | 61.1° |
| Voltage | AC100~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 804.6 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 135 mm dia. | Spacing/height (nominal) | 1.18 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 305 | 92.3% |
| 0–60° | 330 | 100.0% |
| 0–90° (total) | 330 | 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° | 804.6 | 46° | 1.7 |
| 1° | 804.1 | 47° | 1.2 |
| 2° | 801.9 | 48° | 0.9 |
| 3° | 797.5 | 49° | 0.6 |
| 4° | 790.6 | 50° | 0.4 |
| 5° | 780.8 | 51° | 0.3 |
| 6° | 768.0 | 52° | 0.2 |
| 7° | 752.2 | 53° | 0.1 |
| 8° | 733.3 | 54° | 0.1 |
| 9° | 711.5 | 55° | 0.0 |
| 10° | 686.7 | 56° | 0.0 |
| 11° | 659.4 | 57° | 0.0 |
| 12° | 629.6 | 58° | 0.0 |
| 13° | 597.7 | 59° | 0.0 |
| 14° | 564.1 | 60° | 0.0 |
| 15° | 529.2 | 61° | 0.0 |
| 16° | 493.3 | 62° | 0.0 |
| 17° | 456.9 | 63° | 0.0 |
| 18° | 420.4 | 64° | 0.0 |
| 19° | 384.3 | 65° | 0.0 |
| 20° | 348.8 | 66° | 0.0 |
| 21° | 314.4 | 67° | 0.0 |
| 22° | 281.4 | 68° | 0.0 |
| 23° | 250.0 | 69° | 0.0 |
| 24° | 220.5 | 70° | 0.0 |
| 25° | 193.0 | 71° | 0.0 |
| 26° | 167.6 | 72° | 0.0 |
| 27° | 144.4 | 73° | 0.0 |
| 28° | 123.5 | 74° | 0.0 |
| 29° | 104.7 | 75° | 0.0 |
| 30° | 88.1 | 76° | 0.0 |
| 31° | 73.5 | 77° | 0.0 |
| 32° | 60.8 | 78° | 0.0 |
| 33° | 49.9 | 79° | 0.0 |
| 34° | 40.6 | 80° | 0.0 |
| 35° | 32.7 | 81° | 0.0 |
| 36° | 26.2 | 82° | 0.0 |
| 37° | 20.7 | 83° | 0.0 |
| 38° | 16.3 | 84° | 0.0 |
| 39° | 12.7 | 85° | 0.0 |
| 40° | 9.8 | 86° | 0.0 |
| 41° | 7.5 | 87° | 0.0 |
| 42° | 5.6 | 88° | 0.0 |
| 43° | 4.2 | 89° | 0.0 |
| 44° | 3.1 | 90° | 0.0 |
| 45° | 2.3 |
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 | 201 | 128 | 28 | 3 | 0 | 1.3 m |
| 2.5 m | 129 | 98 | 37 | 7 | 1 | 1.7 m |
| 3.0 m | 89 | 75 | 38 | 12 | 3 | 2.0 m |
| 3.5 m | 66 | 58 | 36 | 15 | 5 | 2.3 m |
| 4.0 m | 50 | 46 | 32 | 17 | 7 | 2.7 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.