Photometric Data Sheet
| Luminaire | Bright - Suspended & Pendant, 90 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 4,800 lm | Input power | 40.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B2-U0-G1 |
| Beam angle (50% Imax) | 90.0° | Field angle (10% Imax) | 130.2° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 2,368.4 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 1,165 mm dia. | Spacing/height (nominal) | 4.30 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 1,869 | 38.9% |
| 0–60° | 4,426 | 92.2% |
| 0–90° (total) | 4,800 | 100.0% |
Flux emitted within each downward cone. 72% of the total falls inside the rated beam angle.
| Zone | Back lm | Front lm |
|---|---|---|
| Low 0–30° | 934 | 934 |
| Mid 30–60° | 1,279 | 1,279 |
| High 60–80° | 167 | 167 |
| Very high 80–90° | 20 | 20 |
| 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° | 2,368.4 | 46° | 1,123.3 |
| 1° | 2,368.4 | 47° | 1,062.6 |
| 2° | 2,368.3 | 48° | 1,002.5 |
| 3° | 2,368.1 | 49° | 943.1 |
| 4° | 2,367.7 | 50° | 884.7 |
| 5° | 2,367.1 | 51° | 827.5 |
| 6° | 2,366.1 | 52° | 771.7 |
| 7° | 2,364.8 | 53° | 717.6 |
| 8° | 2,362.9 | 54° | 665.2 |
| 9° | 2,360.4 | 55° | 614.8 |
| 10° | 2,357.2 | 56° | 566.5 |
| 11° | 2,353.2 | 57° | 520.5 |
| 12° | 2,348.3 | 58° | 476.7 |
| 13° | 2,342.3 | 59° | 435.4 |
| 14° | 2,335.2 | 60° | 396.5 |
| 15° | 2,326.8 | 61° | 360.0 |
| 16° | 2,317.1 | 62° | 326.1 |
| 17° | 2,305.8 | 63° | 294.6 |
| 18° | 2,293.0 | 64° | 265.5 |
| 19° | 2,278.5 | 65° | 238.8 |
| 20° | 2,262.2 | 66° | 214.4 |
| 21° | 2,243.9 | 67° | 192.2 |
| 22° | 2,223.7 | 68° | 172.1 |
| 23° | 2,201.4 | 69° | 154.0 |
| 24° | 2,177.0 | 70° | 137.8 |
| 25° | 2,150.3 | 71° | 123.3 |
| 26° | 2,121.4 | 72° | 110.4 |
| 27° | 2,090.1 | 73° | 99.1 |
| 28° | 2,056.6 | 74° | 89.1 |
| 29° | 2,020.7 | 75° | 80.3 |
| 30° | 1,982.4 | 76° | 72.6 |
| 31° | 1,941.8 | 77° | 65.9 |
| 32° | 1,898.9 | 78° | 60.2 |
| 33° | 1,853.8 | 79° | 55.2 |
| 34° | 1,806.6 | 80° | 50.8 |
| 35° | 1,757.3 | 81° | 47.1 |
| 36° | 1,706.0 | 82° | 43.8 |
| 37° | 1,653.0 | 83° | 41.1 |
| 38° | 1,598.2 | 84° | 38.6 |
| 39° | 1,542.0 | 85° | 36.5 |
| 40° | 1,484.4 | 86° | 34.7 |
| 41° | 1,425.7 | 87° | 33.0 |
| 42° | 1,366.2 | 88° | 31.6 |
| 43° | 1,305.9 | 89° | 30.3 |
| 44° | 1,245.1 | 90° | 0.0 |
| 45° | 1,184.2 |
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 | 592 | 533 | 376 | 212 | 105 | 4.0 m |
| 2.5 m | 379 | 355 | 285 | 196 | 119 | 5.0 m |
| 3.0 m | 263 | 252 | 217 | 167 | 117 | 6.0 m |
| 3.5 m | 193 | 187 | 168 | 139 | 106 | 7.0 m |
| 4.0 m | 148 | 144 | 133 | 116 | 94 | 8.0 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.