Photometric Data Sheet
| Luminaire | Sky - Flood & Spike Lights, 40 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 880 lm | Input power | 8.0 W |
| Efficacy | 110.0 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B1-U0-G0 |
| Beam angle (50% Imax) | 40.0° | Field angle (10% Imax) | 66.0° |
| Voltage | 12V, 24V, 220V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 1,841.5 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 421 mm dia. | Spacing/height (nominal) | 1.30 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 779 | 88.5% |
| 0–60° | 880 | 100.0% |
| 0–90° (total) | 880 | 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° | 389 | 389 |
| Mid 30–60° | 51 | 51 |
| 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° | 1,841.5 | 46° | 11.0 |
| 1° | 1,840.5 | 47° | 8.4 |
| 2° | 1,836.4 | 48° | 6.4 |
| 3° | 1,828.1 | 49° | 4.8 |
| 4° | 1,814.9 | 50° | 3.6 |
| 5° | 1,796.3 | 51° | 2.6 |
| 6° | 1,771.9 | 52° | 1.9 |
| 7° | 1,741.6 | 53° | 1.4 |
| 8° | 1,705.2 | 54° | 1.0 |
| 9° | 1,663.0 | 55° | 0.7 |
| 10° | 1,614.9 | 56° | 0.5 |
| 11° | 1,561.3 | 57° | 0.4 |
| 12° | 1,502.6 | 58° | 0.2 |
| 13° | 1,439.2 | 59° | 0.0 |
| 14° | 1,371.8 | 60° | 0.0 |
| 15° | 1,300.9 | 61° | 0.0 |
| 16° | 1,227.3 | 62° | 0.0 |
| 17° | 1,151.8 | 63° | 0.0 |
| 18° | 1,075.0 | 64° | 0.0 |
| 19° | 997.7 | 65° | 0.0 |
| 20° | 920.8 | 66° | 0.0 |
| 21° | 844.8 | 67° | 0.0 |
| 22° | 770.5 | 68° | 0.0 |
| 23° | 698.5 | 69° | 0.0 |
| 24° | 629.4 | 70° | 0.0 |
| 25° | 563.5 | 71° | 0.0 |
| 26° | 501.3 | 72° | 0.0 |
| 27° | 443.2 | 73° | 0.0 |
| 28° | 389.2 | 74° | 0.0 |
| 29° | 339.5 | 75° | 0.0 |
| 30° | 294.2 | 76° | 0.0 |
| 31° | 253.1 | 77° | 0.0 |
| 32° | 216.3 | 78° | 0.0 |
| 33° | 183.6 | 79° | 0.0 |
| 34° | 154.7 | 80° | 0.0 |
| 35° | 129.4 | 81° | 0.0 |
| 36° | 107.5 | 82° | 0.0 |
| 37° | 88.6 | 83° | 0.0 |
| 38° | 72.5 | 84° | 0.0 |
| 39° | 58.9 | 85° | 0.0 |
| 40° | 47.5 | 86° | 0.0 |
| 41° | 38.0 | 87° | 0.0 |
| 42° | 30.1 | 88° | 0.0 |
| 43° | 23.7 | 89° | 0.0 |
| 44° | 18.5 | 90° | 0.0 |
| 45° | 14.4 |
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 | 460 | 313 | 84 | 12 | 1 | 1.5 m |
| 2.5 m | 295 | 233 | 101 | 26 | 5 | 1.8 m |
| 3.0 m | 205 | 175 | 99 | 37 | 10 | 2.2 m |
| 3.5 m | 150 | 135 | 89 | 43 | 16 | 2.5 m |
| 4.0 m | 115 | 106 | 78 | 45 | 21 | 2.9 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.