Photometric Data Sheet
| Luminaire | Bulk - Wall Surface, 120 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 1,440 lm | Input power | 12.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B1-U0-G1 |
| Beam angle (50% Imax) | 120.0° | Field angle (10% Imax) | 171.0° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 441.4 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 275 mm dia. | Spacing/height (nominal) | 11.34 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 363 | 25.2% |
| 0–60° | 1,107 | 76.9% |
| 0–90° (total) | 1,440 | 100.0% |
Flux emitted within each downward cone. 77% of the total falls inside the rated beam angle.
| Zone | Back lm | Front lm |
|---|---|---|
| Low 0–30° | 181 | 181 |
| Mid 30–60° | 372 | 372 |
| High 60–80° | 142 | 142 |
| Very high 80–90° | 25 | 25 |
| 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° | 441.4 | 46° | 333.2 |
| 1° | 441.4 | 47° | 326.2 |
| 2° | 441.4 | 48° | 319.0 |
| 3° | 441.3 | 49° | 311.5 |
| 4° | 441.3 | 50° | 303.9 |
| 5° | 441.3 | 51° | 296.1 |
| 6° | 441.2 | 52° | 288.2 |
| 7° | 441.1 | 53° | 280.1 |
| 8° | 441.0 | 54° | 271.8 |
| 9° | 440.9 | 55° | 263.5 |
| 10° | 440.7 | 56° | 255.1 |
| 11° | 440.4 | 57° | 246.5 |
| 12° | 440.1 | 58° | 238.0 |
| 13° | 439.7 | 59° | 229.3 |
| 14° | 439.2 | 60° | 220.7 |
| 15° | 438.6 | 61° | 212.0 |
| 16° | 437.9 | 62° | 203.4 |
| 17° | 437.1 | 63° | 194.8 |
| 18° | 436.3 | 64° | 186.2 |
| 19° | 435.2 | 65° | 177.7 |
| 20° | 434.1 | 66° | 169.3 |
| 21° | 432.8 | 67° | 161.0 |
| 22° | 431.3 | 68° | 152.9 |
| 23° | 429.7 | 69° | 144.9 |
| 24° | 427.9 | 70° | 137.0 |
| 25° | 426.0 | 71° | 129.3 |
| 26° | 423.8 | 72° | 121.8 |
| 27° | 421.5 | 73° | 114.6 |
| 28° | 419.0 | 74° | 107.5 |
| 29° | 416.2 | 75° | 100.6 |
| 30° | 413.2 | 76° | 94.0 |
| 31° | 410.1 | 77° | 87.7 |
| 32° | 406.6 | 78° | 81.6 |
| 33° | 403.0 | 79° | 75.7 |
| 34° | 399.1 | 80° | 70.1 |
| 35° | 395.0 | 81° | 64.8 |
| 36° | 390.6 | 82° | 59.7 |
| 37° | 385.9 | 83° | 54.9 |
| 38° | 381.1 | 84° | 50.4 |
| 39° | 375.9 | 85° | 46.1 |
| 40° | 370.6 | 86° | 42.1 |
| 41° | 364.9 | 87° | 38.4 |
| 42° | 359.1 | 88° | 34.9 |
| 43° | 352.9 | 89° | 31.6 |
| 44° | 346.6 | 90° | 0.0 |
| 45° | 340.0 |
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 | 110 | 100 | 76 | 49 | 30 | 6.9 m |
| 2.5 m | 71 | 66 | 55 | 41 | 29 | 8.7 m |
| 3.0 m | 49 | 47 | 41 | 34 | 26 | 10.4 m |
| 3.5 m | 36 | 35 | 32 | 27 | 22 | 12.1 m |
| 4.0 m | 28 | 27 | 25 | 22 | 19 | 13.9 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.