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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] LTL8506
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KSF2 400S R4W
# [LUMINAIRE] ARM MOUNTED PREMIUM CUTOFF W/R4W REFL, CLEAR GLASS FLAT LENS.
# [LAMPCAT] LU400
# [LAMP] ONE 400-WATT CLEAR ET-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 50000 lm each
# Number of measured angles: 37 vertical, 37 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.330 1.330 0.000
# Ballast factor: 1, Input power: 468 W
# Source file: Lithonia_Lighting\Outdoor\Area\KSF\Ltl8506.ies
# Luminaire flux = 38081 lm,
# 76.2 % of the bulb flux
# between 75 and 90: 4.0 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 33.3 cd/1000lm , 0.5 % 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 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3
2.5 97.4 97.3 97.1 96.9 97.1 97.4 97.6 97.6 97.7 98.0 98.0 98.0 97.8 97.8 97.8 98.6 98.6 98.7 98.7 97.7 97.5 97.1 97.3 97.7 97.9 97.9 97.9 97.9 97.9 97.2 97.1 97.3 97.0 96.7 96.9 96.9 96.7
5.0 98.8 98.5 98.3 98.3 98.8 99.9 99.9 100.0 100.1 100.5 101.0 101.4 101.2 101.6 101.7 102.7 102.9 102.6 103.6 101.2 100.8 100.9 101.2 101.6 101.5 101.2 101.0 100.5 100.1 99.1 98.8 98.2 98.0 97.6 97.4 97.3 97.2
7.5 99.3 99.4 99.8 100.2 100.7 101.3 102.4 103.7 104.6 105.8 106.2 107.0 107.5 107.6 107.4 108.0 107.6 107.6 109.9 107.3 107.0 107.3 107.6 107.3 106.7 106.3 105.8 105.4 104.4 102.7 101.6 100.8 99.8 99.1 98.7 98.5 98.1
10.0 101.1 101.3 101.9 102.5 103.9 106.1 107.5 109.1 110.7 112.5 112.7 113.1 113.1 112.8 112.6 112.5 112.7 112.4 111.4 110.6 111.3 111.4 111.0 110.5 110.0 109.4 108.7 107.8 106.9 105.2 103.8 102.5 101.0 99.8 98.7 97.9 97.6
12.5 100.4 101.4 103.0 104.6 106.9 108.8 111.7 114.4 115.0 115.9 116.6 117.4 117.9 118.4 118.5 120.2 120.1 120.0 116.6 117.4 117.2 116.4 116.1 115.8 114.5 113.3 112.7 111.7 110.8 108.9 107.1 105.5 103.3 101.1 99.7 98.6 98.2
15.0 100.0 101.8 103.7 105.3 107.3 111.6 116.1 118.0 119.3 121.7 123.5 126.5 129.4 131.1 129.6 127.1 124.7 123.0 121.9 126.6 127.3 126.2 123.9 122.5 121.0 119.9 119.5 118.9 117.3 115.1 113.3 111.4 108.0 105.6 103.5 102.0 101.5
17.5 99.6 101.4 102.7 104.6 108.4 114.7 117.9 119.0 123.0 127.1 133.2 136.7 134.0 131.1 130.1 129.6 128.3 126.8 128.8 131.3 130.1 128.6 127.8 127.7 126.6 125.0 123.8 123.0 121.5 119.0 116.6 114.5 111.1 108.0 105.4 103.7 103.0
20.0 98.8 100.7 101.0 104.0 110.3 117.0 119.6 124.3 127.0 135.6 136.9 137.1 137.6 135.7 133.3 132.2 131.3 130.0 135.2 135.6 133.8 132.6 133.3 133.5 134.1 132.0 129.8 127.6 126.6 121.9 119.5 117.1 113.9 110.2 107.3 105.3 104.6
22.5 97.0 99.0 99.6 103.9 112.9 119.4 122.0 124.5 133.7 137.5 138.4 140.3 144.2 144.7 141.6 138.8 135.4 133.9 139.3 137.3 135.2 135.2 136.1 134.9 135.4 137.6 134.9 132.4 129.8 125.5 122.1 119.8 116.5 112.8 109.0 106.7 105.6
25.0 95.8 97.7 98.8 104.6 114.7 118.4 119.7 128.6 135.7 136.5 141.6 149.5 154.2 152.8 148.4 143.5 140.7 137.9 141.1 139.9 138.8 137.5 136.4 135.4 134.7 138.2 136.5 135.2 133.2 128.4 124.3 121.9 118.3 114.6 110.5 107.7 106.6
27.5 95.2 96.1 97.8 108.4 116.7 115.5 121.9 130.3 131.7 139.5 152.5 157.5 159.6 153.7 150.8 150.3 152.3 150.3 150.8 150.0 146.4 143.4 141.8 138.3 136.6 136.0 137.8 134.9 133.9 131.0 127.1 124.0 120.4 116.3 112.1 108.9 107.4
30.0 93.2 94.1 102.2 107.8 113.1 116.6 123.6 128.7 135.6 148.2 152.5 152.6 154.6 167.2 170.6 173.7 176.2 174.2 173.8 170.7 163.5 157.0 151.1 147.2 141.2 137.5 136.2 135.4 134.7 133.1 129.8 126.2 122.1 117.8 113.5 110.0 108.3
32.5 92.1 95.2 98.6 105.9 112.2 117.0 124.4 131.0 143.1 142.8 144.4 156.7 178.3 202.0 216.6 220.1 211.6 201.2 198.4 198.7 190.4 181.3 170.4 158.7 147.5 139.4 136.4 135.7 135.5 134.1 132.0 128.7 124.1 119.3 114.5 110.6 109.1
35.0 95.1 95.6 96.4 110.2 117.3 120.1 125.2 135.0 134.7 137.3 161.3 189.5 218.0 226.8 218.2 208.1 198.2 188.8 185.4 182.1 174.0 168.3 161.6 154.4 146.3 140.1 137.4 136.9 136.2 134.6 133.2 129.5 124.5 119.5 114.6 110.6 109.0
37.5 94.3 95.6 98.7 115.7 127.5 124.9 130.1 130.7 131.4 159.7 198.4 227.8 231.0 213.3 201.3 195.7 188.0 180.1 179.9 177.0 169.8 161.3 152.5 144.0 139.3 136.8 137.2 137.1 135.7 134.2 133.5 129.5 124.0 119.1 114.2 109.2 107.5
40.0 95.4 102.0 110.6 123.3 127.3 125.3 129.1 128.2 142.7 187.1 229.1 241.2 218.2 205.9 200.6 198.4 193.8 185.3 182.2 178.4 169.3 158.2 148.3 140.5 137.2 136.4 139.2 138.6 135.7 132.2 131.3 128.6 123.2 117.9 112.1 107.0 105.2
42.5 102.6 100.4 101.1 119.6 124.7 129.5 125.5 129.4 165.2 214.2 236.6 229.8 216.2 217.8 220.2 217.7 208.4 189.7 182.4 179.9 172.5 162.7 151.2 140.1 135.8 133.7 137.2 137.3 134.7 130.5 128.0 126.3 121.9 116.3 110.0 104.4 102.6
45.0 90.9 92.4 103.9 121.6 127.2 127.5 122.4 145.7 181.3 217.6 240.6 231.8 229.8 224.5 223.6 228.1 198.8 173.3 162.5 164.7 161.7 154.2 142.1 135.9 132.2 131.5 135.6 136.4 134.4 128.6 125.8 123.8 120.7 114.9 108.0 102.0 100.1
47.5 85.9 97.1 132.8 177.0 154.2 128.0 124.1 150.2 201.4 244.8 245.2 235.4 227.8 239.9 231.3 198.3 167.6 155.6 150.2 158.6 150.1 148.0 143.6 139.6 131.6 131.6 133.0 132.3 131.5 128.0 122.8 121.0 118.3 112.9 105.9 99.3 97.6
50.0 89.1 129.5 146.1 148.6 133.0 122.1 123.1 162.1 192.0 226.4 218.7 208.2 238.0 227.5 224.0 219.0 212.4 195.2 192.7 177.8 167.5 158.4 150.0 138.1 131.1 134.4 136.4 130.4 126.5 126.2 120.3 117.7 115.4 110.5 103.0 95.7 93.8
52.5 103.5 109.7 121.3 150.1 140.0 122.4 135.2 151.0 200.7 201.4 195.3 213.7 234.3 264.5 312.2 306.9 266.4 245.5 238.5 216.8 204.8 189.0 155.3 133.8 129.1 130.8 132.0 127.7 123.2 123.1 118.6 114.6 111.2 107.2 100.1 91.2 89.1
55.0 100.7 101.9 117.8 149.1 140.9 125.4 144.4 185.3 231.5 252.7 271.9 273.9 309.0 359.1 358.1 335.6 303.3 280.0 250.8 252.6 212.3 178.4 138.8 126.9 126.2 131.9 127.1 124.7 120.0 118.1 116.8 111.6 105.7 102.1 95.7 86.2 84.3
57.5 99.7 116.2 168.6 183.1 154.2 159.0 175.0 204.6 262.7 271.9 275.5 280.7 324.5 322.8 325.3 362.9 306.3 227.5 214.9 209.7 202.0 173.6 150.5 127.3 123.8 129.9 128.4 117.2 112.8 112.5 112.1 107.8 99.6 96.0 89.7 80.4 78.1
60.0 130.6 142.6 176.1 194.3 197.3 179.2 164.8 217.8 246.2 250.5 228.8 218.2 253.2 291.2 287.4 256.8 228.5 191.0 179.4 192.1 199.0 193.7 150.8 122.5 119.3 129.6 125.5 115.5 107.9 103.3 103.9 100.1 92.8 89.0 82.2 74.2 71.5
62.5 193.9 192.6 188.8 206.7 191.8 163.0 180.5 239.8 288.0 269.4 219.5 207.0 228.6 259.2 318.7 313.6 288.4 271.4 270.2 272.9 227.3 173.3 129.2 113.8 114.0 111.8 118.1 111.0 105.4 97.6 95.5 91.6 85.8 83.1 78.5 69.5 66.1
65.0 285.7 244.9 229.4 216.0 211.8 229.2 250.8 296.5 314.3 293.7 245.2 232.8 264.6 297.9 302.7 295.9 300.9 244.3 220.3 212.1 195.6 150.6 121.0 107.8 105.1 99.5 96.4 100.7 99.2 91.5 85.6 81.2 77.2 76.8 72.5 66.3 62.1
67.5 345.5 322.0 279.7 269.3 294.4 312.3 307.6 330.1 344.0 331.1 291.0 245.2 234.0 246.7 240.0 225.3 226.2 200.0 157.2 173.6 158.5 124.1 107.4 97.7 93.1 86.3 83.0 88.7 93.3 86.1 78.7 71.7 67.8 71.6 67.7 60.2 58.0
70.0 341.4 370.4 342.6 302.7 292.6 280.0 278.3 324.8 367.5 384.5 335.1 251.1 229.0 235.3 227.1 218.7 201.2 180.3 161.7 179.0 145.0 101.0 84.0 79.6 73.5 64.6 63.7 70.5 81.1 79.8 74.4 65.5 56.1 60.2 61.3 53.5 55.0
72.5 235.2 250.5 262.6 231.0 215.5 230.1 258.9 300.4 334.5 322.1 266.7 219.2 254.2 304.1 262.5 218.6 233.3 202.2 151.1 155.3 114.1 68.8 51.3 50.4 46.2 38.1 35.3 39.9 52.4 58.9 63.1 53.8 41.7 43.6 45.8 43.4 43.6
75.0 153.2 158.6 164.5 155.1 141.3 150.5 170.9 201.8 236.5 226.8 189.1 172.7 207.0 219.2 162.3 117.6 127.7 144.2 117.7 95.2 53.1 33.0 23.4 26.8 27.4 22.6 20.4 21.3 29.9 33.0 42.2 37.6 28.1 29.8 32.5 32.1 33.1
77.5 82.0 81.8 68.9 47.5 33.6 32.1 44.5 60.1 87.3 100.8 104.3 87.4 58.2 42.8 23.4 22.5 55.4 82.7 41.7 25.5 28.2 20.2 14.2 18.2 18.7 14.5 13.4 15.4 21.1 21.5 24.5 21.6 16.7 19.1 21.3 23.5 24.8
80.0 19.6 19.8 18.8 15.8 10.5 7.6 7.4 13.1 22.1 20.9 21.4 19.3 12.9 8.7 7.0 8.5 31.3 33.3 9.7 15.2 15.0 11.3 7.3 9.9 10.2 8.0 7.1 8.7 12.8 13.2 16.3 13.9 10.5 12.1 14.1 16.9 19.2
82.5 3.1 3.3 3.3 3.5 3.1 2.9 2.9 3.1 4.1 4.4 3.9 3.8 4.6 3.7 3.1 3.4 6.1 5.9 4.0 5.2 6.9 3.9 3.1 3.9 4.4 3.5 3.0 3.7 5.2 5.8 7.6 6.3 5.1 5.7 8.0 10.2 8.7
85.0 0.7 0.9 0.9 1.0 0.9 0.9 0.8 1.1 1.0 0.9 1.1 1.0 1.2 1.1 0.8 1.1 1.2 1.1 1.1 1.0 1.3 0.6 0.6 0.8 0.8 0.8 0.7 0.9 1.3 1.6 1.8 1.3 1.4 1.9 2.2 2.4 2.2
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 0.0 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
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.)