Photometric Data Sheet
| Luminaire | Salisbury - Street Lights, 147 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 4,361 lm | Input power | 30.0 W |
| Efficacy | 145.4 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B2-U0-G2 |
| Beam angle (50% Imax) | 147.0° | Field angle (10% Imax) | 179.2° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 1,023.9 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 581 mm dia. | Spacing/height (nominal) | 11.34 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 852 | 19.5% |
| 0–60° | 2,859 | 65.5% |
| 0–90° (total) | 4,361 | 100.0% |
Flux emitted within each downward cone. 85% of the total falls inside the rated beam angle.
| Zone | Back lm | Front lm |
|---|---|---|
| Low 0–30° | 426 | 426 |
| Mid 30–60° | 1,004 | 1,004 |
| High 60–80° | 578 | 578 |
| Very high 80–90° | 173 | 173 |
| 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° | 1,023.9 | 46° | 889.4 |
| 1° | 1,023.9 | 47° | 879.9 |
| 2° | 1,023.9 | 48° | 870.1 |
| 3° | 1,023.9 | 49° | 859.8 |
| 4° | 1,023.9 | 50° | 849.2 |
| 5° | 1,023.8 | 51° | 838.2 |
| 6° | 1,023.8 | 52° | 826.9 |
| 7° | 1,023.7 | 53° | 815.1 |
| 8° | 1,023.5 | 54° | 803.0 |
| 9° | 1,023.3 | 55° | 790.6 |
| 10° | 1,023.1 | 56° | 777.7 |
| 11° | 1,022.8 | 57° | 764.6 |
| 12° | 1,022.4 | 58° | 751.1 |
| 13° | 1,021.9 | 59° | 737.3 |
| 14° | 1,021.4 | 60° | 723.2 |
| 15° | 1,020.7 | 61° | 708.8 |
| 16° | 1,019.9 | 62° | 694.2 |
| 17° | 1,019.0 | 63° | 679.2 |
| 18° | 1,018.0 | 64° | 664.1 |
| 19° | 1,016.8 | 65° | 648.7 |
| 20° | 1,015.4 | 66° | 633.1 |
| 21° | 1,013.9 | 67° | 617.3 |
| 22° | 1,012.2 | 68° | 601.4 |
| 23° | 1,010.3 | 69° | 585.3 |
| 24° | 1,008.2 | 70° | 569.2 |
| 25° | 1,005.9 | 71° | 552.9 |
| 26° | 1,003.4 | 72° | 536.5 |
| 27° | 1,000.6 | 73° | 520.2 |
| 28° | 997.6 | 74° | 503.7 |
| 29° | 994.3 | 75° | 487.3 |
| 30° | 990.7 | 76° | 470.9 |
| 31° | 986.9 | 77° | 454.6 |
| 32° | 982.7 | 78° | 438.4 |
| 33° | 978.3 | 79° | 422.2 |
| 34° | 973.6 | 80° | 406.2 |
| 35° | 968.5 | 81° | 390.3 |
| 36° | 963.1 | 82° | 374.6 |
| 37° | 957.4 | 83° | 359.1 |
| 38° | 951.3 | 84° | 343.8 |
| 39° | 944.8 | 85° | 328.7 |
| 40° | 938.0 | 86° | 313.9 |
| 41° | 930.9 | 87° | 299.4 |
| 42° | 923.3 | 88° | 285.1 |
| 43° | 915.4 | 89° | 271.2 |
| 44° | 907.1 | 90° | 0.0 |
| 45° | 898.4 |
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 | 256 | 233 | 179 | 123 | 79 | 13.5 m |
| 2.5 m | 164 | 154 | 130 | 100 | 72 | 16.9 m |
| 3.0 m | 114 | 109 | 97 | 80 | 62 | 20.3 m |
| 3.5 m | 84 | 81 | 74 | 64 | 53 | 23.6 m |
| 4.0 m | 64 | 63 | 58 | 52 | 45 | 27.0 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.