Photometric Data Sheet
| Luminaire | Mara - Solar Lights, 36 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 1,000 lm | Input power | 10.0 W |
| Efficacy | 100.0 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 |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 2,572.9 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 118 mm dia. | Spacing/height (nominal) | 1.14 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 934 | 93.4% |
| 0–60° | 1,000 | 100.0% |
| 0–90° (total) | 1,000 | 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° | 467 | 467 |
| Mid 30–60° | 33 | 33 |
| 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° | 2,572.9 | 46° | 3.5 |
| 1° | 2,571.2 | 47° | 2.5 |
| 2° | 2,563.8 | 48° | 1.7 |
| 3° | 2,548.8 | 49° | 1.2 |
| 4° | 2,525.1 | 50° | 0.8 |
| 5° | 2,491.8 | 51° | 0.6 |
| 6° | 2,448.3 | 52° | 0.4 |
| 7° | 2,394.5 | 53° | 0.0 |
| 8° | 2,330.4 | 54° | 0.0 |
| 9° | 2,256.3 | 55° | 0.0 |
| 10° | 2,172.6 | 56° | 0.0 |
| 11° | 2,080.2 | 57° | 0.0 |
| 12° | 1,980.0 | 58° | 0.0 |
| 13° | 1,873.1 | 59° | 0.0 |
| 14° | 1,760.9 | 60° | 0.0 |
| 15° | 1,644.7 | 61° | 0.0 |
| 16° | 1,525.9 | 62° | 0.0 |
| 17° | 1,406.0 | 63° | 0.0 |
| 18° | 1,286.5 | 64° | 0.0 |
| 19° | 1,168.7 | 65° | 0.0 |
| 20° | 1,053.9 | 66° | 0.0 |
| 21° | 943.3 | 67° | 0.0 |
| 22° | 837.8 | 68° | 0.0 |
| 23° | 738.4 | 69° | 0.0 |
| 24° | 645.6 | 70° | 0.0 |
| 25° | 560.0 | 71° | 0.0 |
| 26° | 481.8 | 72° | 0.0 |
| 27° | 411.0 | 73° | 0.0 |
| 28° | 347.7 | 74° | 0.0 |
| 29° | 291.6 | 75° | 0.0 |
| 30° | 242.5 | 76° | 0.0 |
| 31° | 199.8 | 77° | 0.0 |
| 32° | 163.2 | 78° | 0.0 |
| 33° | 132.1 | 79° | 0.0 |
| 34° | 106.0 | 80° | 0.0 |
| 35° | 84.2 | 81° | 0.0 |
| 36° | 66.3 | 82° | 0.0 |
| 37° | 51.7 | 83° | 0.0 |
| 38° | 39.9 | 84° | 0.0 |
| 39° | 30.6 | 85° | 0.0 |
| 40° | 23.1 | 86° | 0.0 |
| 41° | 17.4 | 87° | 0.0 |
| 42° | 12.9 | 88° | 0.0 |
| 43° | 9.5 | 89° | 0.0 |
| 44° | 6.9 | 90° | 0.0 |
| 45° | 5.0 |
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 | 643 | 401 | 79 | 7 | 0 | 1.3 m |
| 2.5 m | 412 | 309 | 110 | 20 | 3 | 1.6 m |
| 3.0 m | 286 | 236 | 117 | 35 | 7 | 1.9 m |
| 3.5 m | 210 | 184 | 111 | 46 | 14 | 2.3 m |
| 4.0 m | 161 | 146 | 100 | 51 | 20 | 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.