Photometric Data Sheet
| Luminaire | PRIME - Spot Lights, 38 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 900 lm | Input power | 10.0 W |
| Efficacy | 90.0 lm/W | CCT | |
| CRI | >90 | UGR | <19 |
| Beam angle (50% Imax) | 38.0° | Field angle (10% Imax) | 62.7° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 2,082.4 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 85 mm dia. | Spacing/height (nominal) | 1.22 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 820 | 91.1% |
| 0–60° | 900 | 100.0% |
| 0–90° (total) | 900 | 100.0% |
Flux emitted within each downward cone. 59% of the total falls inside the rated beam angle.
Centre-beam illuminance and beam diameter on a surface directly below.
| γ | cd | γ | cd |
|---|---|---|---|
| 0° | 2,082.4 | 46° | 6.4 |
| 1° | 2,081.2 | 47° | 4.7 |
| 2° | 2,075.9 | 48° | 3.4 |
| 3° | 2,065.3 | 49° | 2.5 |
| 4° | 2,048.4 | 50° | 1.8 |
| 5° | 2,024.6 | 51° | 1.3 |
| 6° | 1,993.6 | 52° | 0.9 |
| 7° | 1,955.1 | 53° | 0.6 |
| 8° | 1,909.0 | 54° | 0.4 |
| 9° | 1,855.6 | 55° | 0.3 |
| 10° | 1,795.0 | 56° | 0.0 |
| 11° | 1,727.8 | 57° | 0.0 |
| 12° | 1,654.5 | 58° | 0.0 |
| 13° | 1,575.8 | 59° | 0.0 |
| 14° | 1,492.5 | 60° | 0.0 |
| 15° | 1,405.6 | 61° | 0.0 |
| 16° | 1,316.1 | 62° | 0.0 |
| 17° | 1,224.8 | 63° | 0.0 |
| 18° | 1,132.9 | 64° | 0.0 |
| 19° | 1,041.2 | 65° | 0.0 |
| 20° | 950.8 | 66° | 0.0 |
| 21° | 862.6 | 67° | 0.0 |
| 22° | 777.3 | 68° | 0.0 |
| 23° | 695.7 | 69° | 0.0 |
| 24° | 618.3 | 70° | 0.0 |
| 25° | 545.7 | 71° | 0.0 |
| 26° | 478.1 | 72° | 0.0 |
| 27° | 415.8 | 73° | 0.0 |
| 28° | 359.0 | 74° | 0.0 |
| 29° | 307.6 | 75° | 0.0 |
| 30° | 261.6 | 76° | 0.0 |
| 31° | 220.7 | 77° | 0.0 |
| 32° | 184.8 | 78° | 0.0 |
| 33° | 153.5 | 79° | 0.0 |
| 34° | 126.5 | 80° | 0.0 |
| 35° | 103.3 | 81° | 0.0 |
| 36° | 83.8 | 82° | 0.0 |
| 37° | 67.3 | 83° | 0.0 |
| 38° | 53.7 | 84° | 0.0 |
| 39° | 42.4 | 85° | 0.0 |
| 40° | 33.2 | 86° | 0.0 |
| 41° | 25.8 | 87° | 0.0 |
| 42° | 19.9 | 88° | 0.0 |
| 43° | 15.2 | 89° | 0.0 |
| 44° | 11.5 | 90° | 0.0 |
| 45° | 8.6 |
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 | 521 | 340 | 79 | 9 | 1 | 1.4 m |
| 2.5 m | 333 | 257 | 102 | 22 | 4 | 1.7 m |
| 3.0 m | 231 | 195 | 104 | 35 | 9 | 2.1 m |
| 3.5 m | 170 | 151 | 96 | 43 | 15 | 2.4 m |
| 4.0 m | 130 | 119 | 85 | 46 | 20 | 2.8 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.