In the left half of the left plot, specific illuminance by a continuous row of luminaires spaced 5 heights is shown (right half is for a single luminaire). | The right plot is for a single luminaire, unrotated. |
Values below the scale are illuminance / 1 lx. This is for (unrealistic) “unit” case that luminaires would have lamps producing 1 klm only, would be point-like and just 1 m over the terrain.
# Source file: ies/Lithonia_Lighting-Outdoor-Building_Mounted-Wsr-LTL11366C.ies # Luminaire flux = 610 lm, # 92.4 % of the bulb flux # between 75 and 90: 0.2 % of the luminaire flux # - this part causes just GLARE in case of road lighting and similar purposes # 80deg and above: max 1.5 cd/1000lm , 0.1 % of the luminaire flux # 90deg and above: max 0.0 cd/1000lm , 0.0 % of the luminaire flux # CutOff Type: Full_CutOff # The following table gives luminous intensities which would be produced # using a hypothetic bulb giving a luminous flux of 1000 lm (i.e., cd/klm): 0.0 3564 0.5 3556 1.0 3542 1.5 3514 2.0 3476 2.5 3427 3.0 3368 3.5 3297 4.0 3217 4.5 3127 5.0 3032 5.5 2929 6.0 2821 6.5 2706 7.0 2583 7.5 2456 8.0 2324 8.5 2191 9.0 2058 9.5 1926 10.0 1797 10.5 1668 11.0 1547 11.51431.8 12.01325.8 12.51228.8 13.01139.4 13.51059.1 14.0 984.8 14.5 915.2 15.0 851.5 15.5 790.9 16.0 737.9 16.5 687.9 17.0 643.9 17.5 604.5 18.0 569.7 18.5 536.4 19.0 506.1 19.5 477.3 20.0 451.5 20.5 427.3 21.0 404.5 21.5 383.3 22.0 363.6 22.5 345.5 23.0 328.8 23.5 315.2 24.0 301.5 24.5 287.9 25.0 275.8 25.5 265.2 26.0 253.0 26.5 242.4 27.0 233.3 27.5 224.2 28.0 216.7 28.5 209.1 29.0 204.5 29.5 198.5 30.0 192.4 30.5 187.9 31.0 183.3 31.5 178.8 32.0 174.2 32.5 171.2 33.0 166.7 33.5 163.6 34.0 160.6 34.5 156.1 35.0 154.5 35.5 151.5 36.0 150.0 36.5 148.5 37.0 147.0 37.5 145.5 38.0 145.5 38.5 143.9 39.0 143.9 39.5 145.5 40.0 145.5 40.5 145.5 41.0 145.5 41.5 145.5 42.0 145.5 42.5 145.5 43.0 145.5 43.5 147.0 44.0 148.5 44.5 148.5 45.0 148.5 45.5 148.5 46.0 148.5 46.5 147.0 47.0 147.0 47.5 145.5 48.0 143.9 48.5 142.4 49.0 137.9 49.5 134.8 50.0 128.8 50.5 124.2 51.0 119.7 51.5 113.6 52.0 107.6 52.5 103.0 53.0 95.5 53.5 89.4 54.0 83.3 54.5 77.3 55.0 72.7 55.5 66.7 56.0 62.1 56.5 54.5 57.0 50.0 57.5 45.5 58.0 40.9 58.5 36.4 59.0 33.3 59.5 28.8 60.0 27.3 60.5 25.8 61.0 24.2 61.5 22.7 62.0 21.2 62.5 21.2 63.0 19.7 63.5 19.7 64.0 18.2 64.5 18.2 65.0 16.7 65.5 16.7 66.0 15.2 66.5 15.2 67.0 13.6 67.5 13.6 68.0 13.6 68.5 12.1 69.0 10.6 69.5 10.6 70.0 9.1 70.5 9.1 71.0 6.1 71.5 6.1 72.0 6.1 72.5 4.5 73.0 4.5 73.5 4.5 74.0 3.0 74.5 3.0 75.0 3.0 75.5 3.0 76.0 1.5 76.5 1.5 77.0 0.0 77.5 0.0 78.0 0.0 78.5 0.0 79.0 0.0 79.5 1.5 80.0 1.5 80.5 1.5 81.0 1.5 81.5 1.5 82.0 1.5 82.5 1.5 83.0 1.5 83.5 1.5 84.0 1.5 84.5 1.5 85.0 0.0 85.5 0.0 86.0 0.0 86.5 0.0 87.0 1.5 87.5 1.5 88.0 1.5 88.5 0.0 89.0 0.0 89.5 0.0 90.0 0.0
(A similar table including even some other results can be computed at producer's website.)