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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
# [DATE]09/07/95
# [TEST]ITL44144
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] 7200 400S DFW
# [LUMINAIRE] FLOODLIGHT (DOWNLIGHTS) DOWN FORWARD WIDE.
# [MORE]CAST METAL HOUSING, BLACK PAINTED GENERAL INTERIOR FINISH,
# [MORE]FABRICATED ELLIPTICAL SPECULAR METAL REFLECTOR WITH SPECULAR
# [MORE]PEENED METAL BACKING, CLEAR FLAT GLASS ENCLOSURE WITH CAST
# [MORE]METAL DOOR FRAME.
# [LAMP]ONE 400-WATT CLEAR E-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [OTHER]THE ARC TUBE VOLTAGE RISE= 5.7
# [OTHER]Version: 03/01/1999 - 12:00:00
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 50000 lm each
# Number of measured angles: 38 vertical, 22 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.365 0.917 0.000
# Ballast factor: 1, Input power: 400 W
# Source file: Hydrel\7200\ITL44144.ies
# Luminaire flux = 32723 lm,
# 65.4 % of the bulb flux
# between 75 and 90: 0.8 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 4.1 cd/1000lm , 0.2 % 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 15.0 25.0 35.0 45.0 55.0 58.5 65.0 75.0 85.0 90.0 95.0 105.0 115.0 125.0 135.0 145.0 155.0 165.0 175.0 180.0
#V:
0.0 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4 171.4
2.5 172.1 170.6 171.5 171.7 173.2 172.6 173.0 170.5 173.0 173.3 173.5 173.2 173.2 173.0 173.0 172.6 171.9 171.5 171.2 171.2 170.1 170.6
5.0 172.4 171.4 172.8 174.0 175.7 178.5 177.3 175.7 178.5 179.1 178.4 178.7 178.0 176.9 175.5 174.6 173.3 172.8 171.9 171.0 170.3 169.9
7.5 174.6 173.5 175.3 177.3 180.7 184.3 186.2 184.1 187.3 187.5 186.6 186.1 185.0 182.7 179.4 176.6 174.6 173.3 170.8 170.1 168.0 168.1
10.0 174.9 173.3 175.7 180.0 185.0 190.5 195.9 195.7 199.3 198.6 196.8 195.4 193.0 189.3 183.7 179.2 174.9 171.9 169.6 166.7 164.4 164.5
12.5 170.3 169.6 173.2 180.7 189.6 198.4 204.3 204.5 207.6 209.4 204.7 202.0 198.4 192.5 185.7 179.6 174.2 169.4 166.5 162.9 160.8 159.9
15.0 165.6 165.1 169.9 179.8 193.2 209.4 222.6 221.5 224.1 222.4 214.4 209.0 203.3 193.2 185.9 177.8 172.6 167.4 162.4 158.5 154.5 154.2
17.5 160.2 159.3 166.7 181.4 202.7 222.3 241.4 246.5 251.3 245.9 227.8 218.0 208.3 193.4 183.7 176.2 169.6 163.8 158.6 153.6 148.8 149.1
20.0 154.5 154.2 164.2 187.0 215.1 254.0 287.0 288.2 289.1 270.7 244.1 227.1 212.8 192.3 181.8 174.4 168.1 161.5 155.2 149.1 143.0 143.4
22.5 148.4 149.5 164.2 195.6 244.3 304.5 314.2 307.9 307.0 286.1 254.9 236.6 218.5 189.3 178.7 173.3 167.1 159.9 151.5 144.3 137.5 138.0
25.0 144.5 145.4 167.2 208.8 287.9 327.7 331.1 326.4 321.2 291.6 254.7 235.7 218.3 188.0 174.6 170.5 165.4 157.0 147.7 138.9 131.7 130.5
27.5 140.9 141.2 171.4 239.3 313.5 338.6 351.0 343.4 333.2 297.5 252.7 230.5 209.5 178.9 168.7 166.5 161.5 153.3 141.8 132.5 125.1 123.3
30.0 135.5 138.0 169.9 263.1 318.3 355.3 361.2 352.4 341.1 300.2 247.5 219.8 196.5 163.5 159.3 159.5 155.8 147.5 135.3 125.5 117.8 116.9
32.5 131.9 131.9 177.8 276.6 325.9 371.0 366.9 350.6 321.7 252.9 204.0 185.2 169.7 145.4 145.2 148.1 146.8 139.1 127.6 116.7 109.7 109.0
35.0 122.6 125.3 189.6 281.6 346.3 377.0 344.9 303.8 266.7 195.9 161.1 149.1 142.3 128.7 130.5 133.7 135.3 130.3 119.6 109.0 102.7 101.5
37.5 116.9 119.6 190.5 287.3 363.0 373.9 305.6 267.8 215.8 166.9 147.2 138.2 133.4 115.3 117.9 120.8 123.1 120.8 111.7 101.6 95.9 95.0
40.0 109.3 113.6 187.0 285.0 359.9 342.2 263.3 240.2 222.8 188.0 153.6 135.9 123.0 108.3 108.3 110.1 111.8 112.0 105.6 95.2 90.2 89.6
42.5 103.6 106.7 173.5 271.0 347.7 303.3 259.9 256.5 254.5 212.9 155.9 130.1 113.8 105.6 102.7 101.6 102.0 103.2 99.5 88.9 84.4 83.9
45.0 98.2 100.6 156.3 257.2 307.4 277.1 281.4 289.3 294.7 235.2 147.3 121.9 110.8 105.4 101.3 97.5 94.8 95.2 94.6 84.1 79.8 79.6
47.5 90.3 92.3 142.1 232.8 257.4 278.4 330.4 339.5 340.7 244.9 147.0 118.3 108.8 104.7 100.6 95.2 90.2 88.0 89.3 79.2 74.7 74.6
50.0 82.5 84.1 128.5 190.4 207.9 273.9 371.6 394.0 386.8 262.1 150.9 121.5 109.5 104.0 100.6 94.5 87.8 83.3 84.2 75.8 70.4 70.6
52.5 74.9 76.5 105.6 147.7 176.7 284.8 397.0 407.8 390.6 248.4 150.2 126.9 111.5 102.5 98.9 92.8 85.7 78.9 78.0 71.0 65.2 65.6
55.0 67.8 69.2 83.5 108.3 164.0 295.8 389.3 418.9 349.7 219.6 142.9 121.9 109.3 101.3 97.3 92.1 83.5 75.5 72.1 66.5 60.6 60.9
56.0 63.5 66.0 78.2 96.6 158.1 290.4 404.2 410.3 324.4 206.7 143.8 122.2 109.5 99.8 95.5 91.1 82.3 73.7 69.2 64.5 58.1 58.4
57.5 59.5 61.5 72.4 87.7 154.7 281.2 399.0 365.7 284.6 199.5 147.2 124.9 110.2 98.4 93.9 90.2 81.0 72.1 65.8 61.5 55.2 55.6
60.0 50.9 52.0 64.0 78.7 140.5 281.1 316.9 293.6 263.0 205.1 149.5 126.9 107.7 95.2 90.0 86.2 78.2 67.6 59.5 55.4 49.1 49.5
62.5 41.2 43.4 57.0 70.1 125.3 221.5 245.2 245.9 249.0 210.8 143.0 116.2 100.7 91.4 86.6 82.1 74.9 62.9 54.1 49.1 43.4 44.1
65.0 33.3 35.7 50.2 60.4 103.1 163.7 219.8 227.5 247.9 197.4 121.0 90.9 77.1 84.2 83.2 78.2 70.4 58.6 49.1 41.9 36.0 36.9
67.5 26.9 29.6 43.0 51.3 81.7 136.2 200.8 212.4 195.9 113.3 43.0 23.1 13.6 21.2 54.0 73.7 64.9 52.5 39.6 31.7 27.4 28.3
70.0 20.8 22.6 34.2 43.9 63.8 98.2 135.9 123.1 109.7 79.0 27.4 11.3 7.2 7.2 7.9 30.8 57.0 40.3 27.1 21.3 18.8 19.7
72.5 14.7 16.3 26.3 37.8 49.5 60.9 70.4 81.9 83.0 50.2 13.4 7.7 6.6 6.3 5.9 7.3 21.0 26.3 15.8 12.7 10.8 11.1
75.0 10.8 11.5 19.9 31.0 37.6 17.2 42.1 55.4 64.7 27.4 7.7 5.9 4.7 4.5 4.5 5.4 5.2 8.8 6.6 7.3 6.1 6.1
77.5 5.0 7.3 10.2 14.2 3.9 4.1 16.3 21.0 22.9 10.4 4.8 3.6 3.0 2.7 2.9 3.6 3.6 3.6 4.1 4.8 4.1 4.3
80.0 2.5 2.7 4.1 2.7 1.8 1.8 2.7 2.5 3.0 2.7 2.3 2.0 2.0 1.8 2.0 2.2 2.3 2.5 2.5 3.0 2.5 2.5
82.5 1.4 1.4 1.8 1.1 1.1 1.3 1.6 1.3 1.8 1.8 1.6 1.6 1.4 1.6 1.3 1.3 1.3 1.4 1.6 1.6 1.6 1.4
85.0 0.7 0.5 0.5 0.7 0.7 1.1 1.4 1.3 1.8 2.0 1.3 1.3 1.1 1.3 1.3 0.9 0.9 0.7 0.7 0.5 0.5 0.7
87.5 0.4 0.5 0.5 0.4 0.4 0.5 0.7 0.5 0.9 0.9 0.9 1.1 0.9 0.9 0.5 0.7 0.5 0.4 0.4 0.4 0.4 0.7
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
(A similar table including even some other results can be computed at producer's website.)