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| 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.
# IESNA91
# [TEST] LTL8556
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] WFL2 175M FT
# [LUMINAIRE] ARCHITECTURAL BUILDING MOUNTED LUMINAIRE, FT DISTRIBUTION, 175W
# [MORE] MH, W/ CLEAR LAMP.
# [LAMPCAT] MH175/U/M
# [LAMP] ONE 175-WATT CLEAR ED-17 METAL HALIDE, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 12800 lm each
# Number of measured angles: 37 vertical, 37 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 0.670 0.600 0.000
# Ballast factor: 1, Input power: 213 W
# Source file: Lithonia_Lighting\Outdoor\Building_Mounted\Wfl2\LTL8556.ies
# Luminaire flux = 6913 lm,
# 54.0 % of the bulb flux
# between 75 and 90: 0.4 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 2.8 cd/1000lm , 0.0 % 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):
# H: 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 170.0 175.0 180.0
#V:
0.0 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6 146.6
2.5 144.0 141.6 141.2 141.7 140.9 143.2 142.3 142.7 143.5 142.6 143.5 147.4 147.0 145.5 146.5 145.1 146.8 146.5 145.6 147.3 144.3 147.9 145.4 147.7 147.6 149.3 148.0 149.5 144.9 145.9 143.9 146.0 144.6 144.9 144.6 143.8 145.8
5.0 141.5 140.2 139.7 139.6 138.3 139.5 138.2 137.7 137.6 136.6 136.9 140.8 140.0 139.3 141.1 139.9 142.4 141.9 141.5 143.7 141.5 145.0 142.4 144.8 144.4 146.1 145.0 142.5 142.0 143.2 141.4 143.4 142.3 142.7 142.3 141.7 144.4
7.5 140.2 139.1 137.9 138.1 136.5 137.7 136.0 135.6 135.5 133.7 133.2 135.9 134.9 133.1 134.1 134.1 136.0 136.5 136.3 138.9 137.3 140.9 139.0 141.3 141.4 143.0 141.6 139.3 139.5 140.8 139.4 141.2 139.5 140.0 140.0 139.5 142.9
10.0 140.2 139.5 138.7 138.4 136.5 136.7 134.7 133.5 132.7 130.9 130.7 134.1 132.1 129.4 129.4 128.4 131.0 131.6 131.5 134.5 133.0 136.8 135.2 137.7 137.6 139.4 138.7 136.1 135.8 137.3 135.9 138.1 137.2 138.3 138.7 138.7 142.4
12.5 143.5 142.5 141.7 141.6 138.9 139.1 136.2 134.5 133.2 130.6 129.9 131.7 129.8 126.8 125.9 124.1 125.9 125.9 125.9 132.3 127.6 131.3 130.3 133.1 134.2 136.3 134.8 132.2 132.1 133.3 132.3 134.9 134.9 136.5 137.3 137.0 140.3
15.0 149.7 149.1 148.1 147.9 144.1 143.3 140.3 137.7 135.9 132.1 130.8 131.6 129.0 125.8 124.4 121.6 122.4 121.5 120.7 123.0 121.9 126.1 125.7 129.3 130.4 133.3 132.3 130.2 130.2 131.7 130.6 133.0 132.9 134.2 134.7 134.5 137.3
17.5 157.3 157.1 156.2 155.5 152.1 151.6 147.3 144.1 140.5 136.2 133.9 134.1 131.0 126.8 124.6 120.8 120.1 118.7 117.2 119.1 118.1 121.9 122.1 125.8 127.5 130.6 130.7 129.7 130.5 132.0 130.5 132.3 130.7 131.7 133.0 133.5 137.5
20.0 164.8 164.8 164.1 164.0 161.0 160.5 157.1 154.5 150.5 143.8 139.1 138.8 134.1 128.4 125.2 120.5 119.1 117.0 115.3 116.6 114.5 118.3 118.2 122.3 125.1 129.7 131.4 131.1 132.5 134.1 132.7 136.4 136.0 138.7 140.6 141.2 144.8
22.5 171.9 173.1 171.7 172.8 171.7 173.7 171.0 168.9 164.1 156.6 149.3 146.1 140.0 132.9 127.9 121.6 118.9 116.1 114.0 114.8 112.7 116.2 115.9 120.4 123.9 129.9 132.5 135.2 138.5 143.0 141.6 143.3 142.3 141.5 136.7 134.7 131.9
25.0 186.8 185.4 185.1 186.4 184.5 185.4 185.8 187.3 183.2 172.3 164.1 158.5 148.7 138.4 131.0 123.3 118.4 114.5 111.6 113.2 112.1 115.1 115.0 120.0 125.3 133.6 138.5 143.2 146.7 143.1 137.5 130.8 126.8 124.4 122.2 121.3 121.0
27.5 189.2 189.3 190.8 193.5 194.5 201.1 203.4 204.4 200.2 192.4 184.9 175.9 161.2 145.0 133.7 123.1 117.0 111.1 108.5 109.2 108.5 113.5 114.6 121.1 129.3 140.7 149.4 153.2 143.3 130.2 123.3 121.3 117.9 113.9 109.2 105.9 100.9
30.0 198.2 201.1 202.2 206.0 212.7 225.8 230.8 228.7 218.7 210.2 202.1 190.8 171.0 151.8 133.4 120.9 112.6 107.0 104.0 104.5 104.2 110.9 115.5 124.9 135.1 152.9 164.1 151.5 131.5 120.9 112.3 103.4 87.5 76.9 70.3 67.3 63.6
32.5 222.1 225.9 227.7 233.3 247.7 271.3 277.9 270.2 249.1 231.6 213.0 194.9 172.1 147.7 132.8 116.2 106.7 102.5 99.9 100.4 99.0 104.8 109.4 123.3 144.5 167.1 165.3 142.1 121.0 103.4 77.3 64.9 56.6 51.9 48.4 46.2 44.1
35.0 253.4 257.8 263.8 270.5 293.6 328.7 330.3 310.2 285.6 257.2 224.2 194.6 165.5 138.8 121.5 108.6 100.0 97.3 95.1 94.8 92.4 98.0 104.3 118.4 147.4 168.6 156.2 129.5 96.6 67.2 50.8 42.6 37.0 34.6 32.3 30.9 29.7
37.5 270.2 272.5 284.1 308.1 343.8 386.4 382.3 346.0 304.3 267.0 232.3 197.3 156.1 127.1 109.2 98.5 92.3 90.3 90.5 90.4 88.3 93.0 98.0 111.6 141.2 154.8 139.2 100.5 63.6 44.1 32.4 28.4 26.8 25.9 24.8 24.4 24.0
40.0 266.2 267.7 280.2 308.9 363.0 423.0 420.2 383.0 322.6 267.7 223.2 185.5 148.0 113.9 99.2 90.6 86.3 85.5 85.0 86.8 85.3 90.3 93.7 102.8 117.4 133.4 109.4 66.0 41.8 29.3 23.3 23.4 24.0 23.6 22.8 22.0 21.2
42.5 261.6 264.5 274.8 304.5 359.8 433.0 446.6 403.7 326.9 258.4 206.7 167.0 135.8 105.6 93.0 85.9 83.2 81.1 82.2 85.9 83.3 89.9 92.8 98.0 102.3 106.4 75.8 40.5 26.5 22.7 20.9 20.5 20.5 19.1 17.7 16.6 15.7
45.0 276.9 278.6 281.2 306.0 362.3 428.0 447.1 385.5 308.4 245.3 194.2 155.3 125.5 96.2 88.8 82.3 82.3 84.5 84.1 88.5 83.5 90.1 90.1 93.2 88.6 69.4 50.9 21.5 19.1 17.8 16.7 16.0 15.2 13.9 12.6 12.0 11.6
47.5 319.3 320.4 312.3 326.3 371.3 421.2 421.0 336.3 261.1 213.0 179.1 152.2 111.7 88.0 84.5 84.4 93.5 85.5 97.7 94.2 97.1 89.6 85.5 84.1 63.3 41.3 24.2 14.1 14.1 12.5 11.6 11.1 9.9 9.2 9.2 9.1 8.7
50.0 382.2 372.9 352.5 349.1 375.1 422.3 408.0 301.6 235.7 176.8 161.6 147.0 103.2 85.3 81.3 80.8 83.5 90.9 110.0 104.6 98.2 95.1 79.9 72.3 38.8 26.9 13.2 10.2 9.5 8.2 7.0 6.6 6.6 7.0 7.0 7.0 6.9
52.5 372.1 358.7 345.1 355.8 389.9 432.0 409.3 318.4 251.2 205.1 176.8 149.7 115.0 89.8 81.6 83.0 88.5 102.3 119.8 109.9 90.6 82.4 68.0 49.9 23.9 22.2 9.4 7.7 6.6 5.5 5.0 5.0 5.1 5.5 5.6 5.7 5.5
55.0 378.2 375.0 345.5 349.3 395.3 444.9 425.5 364.0 293.9 261.5 237.6 186.4 131.3 92.9 83.0 83.6 89.5 108.0 102.7 81.8 73.0 59.5 48.4 27.7 14.5 11.8 7.5 5.4 4.7 4.5 3.7 3.7 3.8 4.2 4.5 4.5 4.6
57.5 453.7 442.1 404.8 397.3 419.5 443.0 416.6 357.7 293.4 275.4 276.7 229.6 156.6 99.2 84.3 76.7 79.3 83.0 64.5 54.7 49.6 40.3 28.3 15.5 9.5 8.4 4.9 3.7 3.7 3.4 2.9 2.8 2.9 3.2 3.2 3.4 3.5
60.0 439.9 436.9 421.5 434.6 457.6 467.4 437.1 371.4 285.7 238.9 229.1 194.1 145.2 84.1 73.9 70.2 61.2 49.1 37.4 42.0 33.3 26.6 15.6 9.1 6.4 5.2 3.7 3.0 2.9 2.7 2.2 2.2 2.1 2.3 2.5 2.7 3.0
62.5 384.1 371.3 358.0 381.4 434.9 452.8 432.7 384.0 281.9 200.2 163.9 127.4 91.2 70.4 58.1 53.4 59.8 42.4 28.8 28.3 24.0 17.4 8.6 5.7 4.0 3.1 2.7 2.3 2.1 2.0 1.6 1.6 1.6 1.8 2.0 2.3 2.4
65.0 254.0 240.9 237.3 260.6 303.7 353.5 340.3 301.4 239.1 151.2 115.0 86.1 74.5 63.0 53.0 44.6 45.9 31.9 23.4 28.7 22.0 13.7 5.2 3.4 2.5 2.2 2.0 1.7 1.6 1.4 1.2 1.2 1.2 1.3 1.6 1.9 2.1
67.5 121.5 117.7 127.6 146.4 171.8 190.5 202.0 203.1 185.5 114.5 70.9 64.5 62.9 59.0 49.8 37.9 39.6 23.4 19.9 21.6 20.8 9.9 3.6 2.2 1.6 1.5 1.2 1.1 1.1 1.2 1.0 0.9 1.1 1.2 1.2 1.6 1.7
70.0 70.9 67.3 70.4 79.5 89.1 88.2 89.8 103.4 112.8 85.0 60.5 52.7 47.8 43.2 35.3 22.4 19.7 17.3 13.9 13.0 15.2 5.4 2.2 1.5 1.2 1.2 0.9 0.8 0.9 0.8 0.8 0.9 0.9 0.9 1.0 1.2 1.3
72.5 39.5 36.4 37.0 41.5 43.2 42.0 40.2 42.6 57.7 55.9 53.5 43.5 27.6 17.9 18.2 11.1 13.0 10.4 7.3 6.7 5.1 5.5 1.3 1.2 1.0 0.9 0.7 0.6 0.8 0.9 0.8 1.1 0.9 1.0 1.0 1.2 1.1
75.0 18.4 16.4 17.0 18.7 19.0 18.0 16.6 19.0 22.4 28.0 24.0 22.0 13.4 7.0 8.0 9.8 7.6 4.1 3.2 2.9 2.0 1.3 0.9 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.6
77.5 6.5 5.8 6.2 6.6 6.6 6.2 6.2 6.5 8.3 10.1 7.9 7.0 5.5 4.1 7.7 5.7 2.9 2.0 1.7 1.5 0.9 0.4 0.2 0.2 0.2 0.2 0.1 0.1 0.2 0.1 0.2 0.2 0.2 0.0 0.0 0.1 0.0
80.0 1.9 1.5 1.6 1.8 1.9 1.8 1.6 1.8 2.1 2.8 2.7 2.7 2.1 1.4 2.5 1.5 1.2 1.2 0.9 0.8 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
82.5 0.0 0.0 0.0 0.0 0.0 0.2 0.1 0.2 0.3 0.5 0.7 0.6 0.4 0.4 0.4 0.4 0.6 0.5 0.5 0.4 0.2 0.2 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
85.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 0.1 0.1 0.2 0.2 0.3 0.2 0.1 0.3 0.2 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
87.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 0.3 0.2 0.3 0.3 0.2 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
90.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
(A similar table including even some other results can be computed at producer's website.)