Photometric Data Sheet
| Luminaire | WICAH - Wall Surface, 36 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 960 lm | Input power | 8.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B1-U0-G0 |
| Beam angle (50% Imax) | 36.0° | Field angle (10% Imax) | 59.4° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 2,470.0 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 143 mm dia. | Spacing/height (nominal) | 1.14 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 897 | 93.4% |
| 0–60° | 960 | 100.0% |
| 0–90° (total) | 960 | 100.0% |
Flux emitted within each downward cone. 59% of the total falls inside the rated beam angle.
| Zone | Back lm | Front lm |
|---|---|---|
| Low 0–30° | 448 | 448 |
| Mid 30–60° | 32 | 32 |
| High 60–80° | 0 | 0 |
| Very high 80–90° | 0 | 0 |
| Uplight 90–100° / 100–180° | 0 / 0 | |
Backlight, Uplight and Glare classes from the zone lumens, IES TM-15-11 limits. Calculated from this distribution.
Centre-beam illuminance and beam diameter on a surface directly below.
| γ | cd | γ | cd |
|---|---|---|---|
| 0° | 2,470.0 | 46° | 3.4 |
| 1° | 2,468.3 | 47° | 2.4 |
| 2° | 2,461.2 | 48° | 1.7 |
| 3° | 2,446.9 | 49° | 1.2 |
| 4° | 2,424.1 | 50° | 0.8 |
| 5° | 2,392.1 | 51° | 0.5 |
| 6° | 2,350.4 | 52° | 0.4 |
| 7° | 2,298.8 | 53° | 0.0 |
| 8° | 2,237.2 | 54° | 0.0 |
| 9° | 2,166.0 | 55° | 0.0 |
| 10° | 2,085.7 | 56° | 0.0 |
| 11° | 1,997.0 | 57° | 0.0 |
| 12° | 1,900.8 | 58° | 0.0 |
| 13° | 1,798.2 | 59° | 0.0 |
| 14° | 1,690.5 | 60° | 0.0 |
| 15° | 1,578.9 | 61° | 0.0 |
| 16° | 1,464.8 | 62° | 0.0 |
| 17° | 1,349.8 | 63° | 0.0 |
| 18° | 1,235.0 | 64° | 0.0 |
| 19° | 1,121.9 | 65° | 0.0 |
| 20° | 1,011.7 | 66° | 0.0 |
| 21° | 905.5 | 67° | 0.0 |
| 22° | 804.3 | 68° | 0.0 |
| 23° | 708.9 | 69° | 0.0 |
| 24° | 619.8 | 70° | 0.0 |
| 25° | 537.6 | 71° | 0.0 |
| 26° | 462.5 | 72° | 0.0 |
| 27° | 394.6 | 73° | 0.0 |
| 28° | 333.8 | 74° | 0.0 |
| 29° | 280.0 | 75° | 0.0 |
| 30° | 232.8 | 76° | 0.0 |
| 31° | 191.8 | 77° | 0.0 |
| 32° | 156.7 | 78° | 0.0 |
| 33° | 126.9 | 79° | 0.0 |
| 34° | 101.7 | 80° | 0.0 |
| 35° | 80.9 | 81° | 0.0 |
| 36° | 63.7 | 82° | 0.0 |
| 37° | 49.6 | 83° | 0.0 |
| 38° | 38.3 | 84° | 0.0 |
| 39° | 29.3 | 85° | 0.0 |
| 40° | 22.2 | 86° | 0.0 |
| 41° | 16.7 | 87° | 0.0 |
| 42° | 12.4 | 88° | 0.0 |
| 43° | 9.1 | 89° | 0.0 |
| 44° | 6.6 | 90° | 0.0 |
| 45° | 4.8 |
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 | 618 | 385 | 76 | 7 | 0 | 1.3 m |
| 2.5 m | 395 | 297 | 106 | 20 | 2 | 1.6 m |
| 3.0 m | 274 | 227 | 112 | 34 | 7 | 1.9 m |
| 3.5 m | 202 | 176 | 107 | 44 | 13 | 2.3 m |
| 4.0 m | 154 | 140 | 96 | 49 | 19 | 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.