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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] LTL8801
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] WFL3 250S FT
# [LUMINAIRE] ARCHITECTURAL BUILDING MOUNTED LUMINAIRE, FT DISTRIBUTION, 250W
# [MORE] HPS, W/ CLEAR LAMP.
# [LAMPCAT] LU250
# [LAMP] ONE 250-WATT CLEAR ET-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 29000 lm each
# Number of measured angles: 37 vertical, 37 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.400 0.870 0.000
# Ballast factor: 1, Input power: 310 W
# Source file: Lithonia_Lighting\Outdoor\Building_Mounted\Wfl3\Ltl8801.ies
# Luminaire flux = 18433 lm,
# 63.6 % of the bulb flux
# between 75 and 90: 1.9 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 63.0 cd/1000lm , 0.7 % 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:
0.0 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2 165.2
2.5 168.9 161.6 165.3 166.6 165.4 163.3 167.1 166.9 166.3 164.6 163.6 164.6 164.3 166.2 163.3 164.7 166.7 164.3 166.6 165.7 165.5 165.9 164.3 166.4 167.6 165.7 167.3 165.2 167.3 169.9 170.7 168.0 166.7 170.5 170.3 168.3 172.2
5.0 170.0 163.6 167.3 168.1 166.7 164.3 167.3 166.9 165.8 163.7 162.4 163.0 163.0 164.7 162.3 162.8 164.9 162.2 164.5 163.9 164.2 165.2 163.9 166.9 168.6 166.9 169.2 167.3 169.7 172.5 173.6 170.9 169.9 173.7 173.2 171.1 174.1
7.5 177.1 172.6 175.7 175.6 172.9 169.0 171.0 169.1 167.0 163.9 161.6 161.7 160.4 161.9 159.0 160.2 161.3 158.3 160.7 160.3 161.2 162.8 162.3 165.7 167.8 166.4 169.0 167.6 170.7 174.2 175.9 173.7 172.9 176.8 176.2 173.9 175.8
10.0 204.2 200.7 202.8 201.3 195.6 188.4 186.3 180.4 173.8 167.4 162.8 161.1 159.0 159.2 155.2 155.8 157.1 154.2 156.5 156.2 157.8 159.8 160.1 163.7 166.6 166.2 169.6 169.6 174.2 178.9 181.7 180.3 180.1 184.4 184.1 181.7 183.6
12.5 239.2 232.4 235.9 234.5 227.8 219.0 215.2 205.4 194.2 180.9 169.7 163.4 158.4 156.5 151.3 151.3 152.1 149.6 151.6 151.4 153.6 156.6 157.2 161.7 165.4 166.7 172.1 173.9 180.7 186.7 189.9 188.0 186.8 190.3 200.0 187.2 188.0
15.0 247.1 236.8 242.1 242.9 241.0 237.0 238.7 231.1 218.9 201.8 185.8 172.7 160.3 155.3 148.2 146.9 147.5 145.0 146.8 146.7 149.7 153.2 154.6 159.8 165.0 168.3 176.2 179.0 185.7 190.9 193.6 191.4 190.5 195.2 194.7 192.4 194.8
17.5 235.8 225.2 230.8 232.2 232.2 231.5 237.9 237.9 233.8 222.5 205.7 188.0 169.7 157.0 146.7 143.2 143.4 140.8 142.4 142.4 146.0 150.1 152.1 158.9 166.2 171.7 179.6 181.7 188.5 194.9 199.8 200.7 202.6 209.6 210.5 208.3 211.8
20.0 231.0 222.4 227.4 227.6 225.1 222.7 228.7 230.0 231.0 228.1 220.2 205.1 182.6 163.7 146.4 140.5 139.4 136.6 138.2 138.1 142.2 146.7 149.4 158.3 167.7 174.0 183.0 187.1 197.3 207.3 214.4 215.3 215.5 219.8 217.8 213.9 213.5
22.5 243.5 236.1 240.2 239.3 234.2 228.7 230.8 229.0 227.7 225.4 222.2 215.0 195.2 171.9 148.4 139.1 135.8 133.1 134.1 134.2 138.4 142.4 146.5 156.7 167.8 176.1 189.2 198.8 210.9 218.8 219.2 211.1 203.4 202.1 197.5 192.7 191.1
25.0 259.8 252.0 257.0 256.1 250.6 243.0 242.8 237.2 230.4 223.6 219.4 215.2 202.6 179.7 151.9 138.0 132.7 129.5 130.3 130.4 134.8 138.6 143.6 154.8 167.5 181.1 199.7 208.9 213.6 209.7 201.5 190.9 183.6 183.0 180.3 177.0 176.6
27.5 269.9 260.7 267.2 268.0 264.1 257.6 257.9 249.8 239.0 226.7 217.4 212.0 202.5 184.3 154.5 136.9 129.7 125.9 126.4 126.7 130.7 135.0 140.0 152.8 170.1 188.6 206.0 205.0 198.6 191.3 184.9 178.2 174.3 175.9 174.4 171.5 172.2
30.0 276.8 266.7 273.8 275.9 273.8 269.3 271.7 263.8 251.1 234.2 218.9 207.7 197.6 184.2 156.6 136.2 127.2 122.8 123.1 123.2 126.8 131.6 136.7 151.0 172.8 191.2 198.2 188.2 181.9 179.4 178.0 174.2 170.6 172.1 170.5 167.9 168.5
32.5 281.6 271.8 278.8 281.9 280.8 277.4 280.9 274.9 262.3 243.3 222.5 204.7 190.7 179.7 156.4 135.2 125.3 120.1 120.6 120.3 123.3 127.8 133.4 150.5 172.4 182.3 180.4 171.6 171.5 174.5 174.8 170.7 167.5 169.3 167.7 164.8 164.7
35.0 281.8 273.4 282.5 288.3 288.4 284.7 287.2 281.1 268.7 249.0 226.2 203.7 184.4 172.0 153.5 133.9 124.0 118.7 119.0 118.3 120.5 124.6 130.9 148.8 164.9 165.8 163.1 160.7 165.3 169.6 170.9 166.4 158.2 153.4 146.7 140.7 136.0
37.5 286.8 279.1 287.8 292.6 293.0 290.7 294.5 286.0 271.6 250.9 227.2 203.1 179.2 162.6 146.9 132.2 124.6 119.1 118.7 117.6 119.0 121.8 128.7 143.6 152.3 149.5 150.3 152.4 158.7 163.7 158.8 143.3 124.3 108.1 91.7 80.9 68.7
40.0 305.9 297.9 305.8 308.1 303.5 297.6 302.5 296.5 279.2 254.8 228.8 202.2 173.6 153.0 138.3 130.6 126.5 121.1 120.7 118.9 118.3 120.2 125.4 134.8 139.1 137.1 140.3 143.0 149.3 143.4 120.9 85.0 56.0 41.8 32.4 29.6 27.0
42.5 341.4 336.0 340.8 337.9 328.4 318.0 317.7 308.8 289.1 259.8 230.1 201.6 169.5 146.2 130.9 130.3 129.1 122.9 122.4 122.8 118.3 118.6 121.1 127.1 129.0 126.3 129.3 132.3 124.6 92.2 50.2 30.1 24.6 23.8 22.6 21.6 21.0
45.0 409.3 399.5 403.8 395.2 373.8 350.8 341.4 319.4 290.5 258.7 224.8 193.2 163.9 141.4 128.2 130.3 127.3 119.2 120.6 122.7 115.8 116.8 118.0 119.4 117.3 115.1 119.7 110.0 67.7 31.0 21.8 20.1 19.0 18.2 16.6 15.4 14.4
47.5 454.6 441.2 449.4 444.6 425.2 399.8 375.1 336.8 291.7 252.2 217.2 182.4 154.2 139.1 127.6 129.2 124.2 114.7 116.1 118.8 111.2 113.1 113.2 111.2 105.2 105.1 104.9 58.5 23.0 17.8 16.1 14.6 13.2 12.4 11.6 10.8 10.3
50.0 473.3 456.4 469.3 470.8 459.6 439.3 419.0 368.2 305.2 249.9 211.5 176.8 148.1 137.3 128.3 126.2 121.2 107.8 111.0 108.6 103.2 106.3 105.8 100.9 94.5 95.3 60.0 20.8 15.7 13.1 11.0 9.9 9.0 8.4 7.8 7.6 7.3
52.5 447.0 429.3 448.3 462.4 466.5 459.2 444.2 400.7 331.3 257.8 204.2 169.9 144.7 135.3 125.7 120.6 117.7 99.2 97.3 95.1 93.2 97.7 96.1 88.2 86.6 66.8 19.7 13.6 11.1 8.9 7.4 6.3 5.4 5.1 4.9 4.8 4.8
55.0 396.4 383.2 402.5 423.6 440.5 441.0 440.0 405.1 343.5 270.8 209.1 164.8 139.1 127.4 116.0 110.0 103.8 88.7 83.5 81.4 83.0 87.5 82.0 76.7 73.3 22.8 13.0 9.3 7.2 5.7 4.4 3.9 3.7 3.9 4.0 4.2 4.2
57.5 365.6 350.2 367.3 384.3 399.8 406.2 407.5 385.0 338.5 277.1 216.0 164.3 131.7 116.7 102.9 95.3 87.4 77.0 71.5 69.3 72.3 74.6 66.1 64.8 35.6 12.6 9.2 6.3 4.7 3.7 3.4 3.1 3.2 3.6 3.8 3.9 4.1
60.0 298.1 285.4 303.1 327.9 348.0 350.1 355.6 342.7 310.5 264.7 207.7 154.9 123.0 106.3 91.8 82.5 73.1 64.8 59.5 57.4 61.0 58.6 52.0 46.7 13.0 9.4 6.2 4.1 3.3 3.1 2.9 2.8 2.9 3.2 3.4 3.8 3.8
62.5 253.1 245.1 252.6 261.5 273.7 275.0 283.9 280.6 256.1 222.3 177.9 136.0 108.2 93.4 79.9 70.4 60.5 52.2 46.0 44.6 47.7 42.1 39.4 21.3 9.4 6.1 3.6 2.9 2.7 2.5 2.4 2.3 2.3 2.6 2.9 3.1 3.3
65.0 241.2 226.0 234.6 236.9 228.6 214.4 210.7 204.6 194.0 170.4 141.1 108.6 89.3 76.6 65.4 54.7 45.7 36.6 30.3 29.3 32.1 27.4 24.3 9.4 5.9 3.6 2.8 2.5 2.3 2.3 2.2 2.2 2.1 2.4 2.8 2.9 3.2
67.5 128.4 117.3 128.2 146.8 161.3 166.1 171.3 154.7 137.3 120.4 100.0 80.8 66.1 58.4 48.5 36.9 28.4 20.4 17.9 17.6 18.8 14.6 11.3 5.3 3.5 2.7 2.4 2.2 2.2 2.1 2.1 2.1 2.1 2.3 2.6 2.6 2.7
70.0 91.0 84.8 88.8 96.0 103.1 99.4 93.0 101.6 103.2 81.0 61.3 46.5 44.2 41.3 33.8 24.9 17.5 13.8 12.2 10.7 10.5 8.6 5.0 3.3 2.5 2.1 1.9 1.8 1.7 1.8 1.7 1.7 1.8 2.0 2.1 2.1 2.1
72.5 63.4 59.7 63.0 69.0 71.2 70.6 72.6 68.5 62.2 56.0 38.5 27.2 25.4 24.9 20.1 15.0 11.8 10.0 8.1 6.8 6.0 4.9 3.1 2.5 2.0 1.7 1.8 1.7 1.6 1.7 1.7 1.7 1.7 1.8 1.8 1.7 1.9
75.0 53.7 53.8 54.9 56.2 53.2 46.5 44.8 42.4 37.7 32.3 25.2 16.8 14.8 13.8 10.6 8.8 7.4 6.1 5.1 4.2 3.7 3.0 2.2 1.9 1.7 1.4 1.4 1.4 1.4 1.6 1.5 1.4 1.4 1.5 1.4 1.4 1.5
77.5 70.1 68.8 68.8 67.1 60.1 48.1 37.6 29.3 22.6 16.2 13.7 10.2 7.6 7.7 6.0 5.0 4.5 3.9 3.6 2.9 2.6 2.1 1.7 1.7 1.4 1.4 1.3 1.2 1.3 1.3 1.3 1.3 1.1 1.3 1.2 1.2 1.2
80.0 63.0 54.5 57.6 59.7 56.4 48.8 41.3 32.8 23.9 15.7 9.4 5.8 4.5 3.9 3.3 3.2 3.1 2.7 2.6 2.1 1.9 1.6 1.4 1.2 1.2 1.2 1.2 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.0 0.9 0.9
82.5 23.9 19.3 21.6 24.2 26.2 27.1 26.7 23.4 19.3 13.9 8.0 3.9 2.8 2.6 2.2 2.2 2.3 2.0 1.9 1.7 1.7 1.4 1.2 1.2 1.1 1.1 1.0 1.0 1.0 1.1 1.1 1.0 1.0 1.0 1.0 0.9 0.9
85.0 0.9 0.3 0.6 0.7 0.9 1.3 2.0 3.6 3.7 3.8 3.9 2.9 1.7 1.5 1.3 1.3 1.3 1.3 1.4 1.3 1.2 1.2 1.1 1.0 1.0 1.0 0.7 0.8 0.9 0.8 0.9 0.7 0.7 0.7 0.7 0.5 0.5
87.5 0.2 0.1 0.2 0.3 0.3 0.4 0.6 0.6 0.7 0.6 0.7 0.9 0.8 0.8 0.8 1.0 1.0 1.0 1.1 1.0 1.0 1.0 0.9 0.7 0.7 0.7 0.6 0.6 0.6 0.6 0.7 0.5 0.4 0.4 0.3 0.2 0.2
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.)