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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]ITL44146
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] 7200 400M 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 BT-37 "SUPER" METAL HALIDE, HORIZONTAL POSITION.
# [OTHER]Version: 03/01/1999 - 12:00:00
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=INCLUDE
# Bulbs: 1, 40000 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\ITL44146.ies
# Luminaire flux = 25465 lm,
# 63.7 % 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 3.8 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):
# H: 0.0 5.0 15.0 25.0 35.0 45.0 52.1 55.0 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:
0.0 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5 158.5
2.5 159.9 158.7 159.4 159.4 160.7 160.4 157.7 160.9 161.2 161.4 162.0 162.0 161.4 160.9 160.2 159.4 158.7 157.9 157.2 156.9 155.9 156.9
5.0 163.0 161.4 162.7 164.7 165.5 167.7 164.0 167.2 168.2 168.0 167.7 168.2 166.7 165.2 163.7 162.0 160.9 160.2 158.9 157.7 155.7 154.9
7.5 167.0 164.2 167.2 169.2 173.0 176.3 175.8 178.8 180.0 179.0 177.5 176.5 174.8 171.8 168.2 164.7 161.4 159.7 156.7 155.7 152.9 151.9
10.0 165.0 163.0 167.5 172.0 177.5 186.8 188.6 192.6 192.6 189.3 184.8 182.5 180.0 174.5 168.2 164.5 160.9 157.7 153.9 150.9 147.7 146.9
12.5 162.0 160.2 165.5 176.0 189.6 202.1 205.3 208.6 205.3 201.8 192.1 187.8 181.8 174.5 167.0 162.0 157.4 153.2 148.2 146.2 143.1 142.9
15.0 157.9 156.9 164.2 179.0 202.8 227.4 236.9 241.4 240.2 223.1 202.6 193.8 185.8 173.3 164.2 158.4 153.4 148.2 144.9 139.4 136.6 135.4
17.5 156.4 153.9 164.7 186.3 221.6 257.2 269.0 275.3 271.0 251.2 215.9 196.8 185.0 170.0 161.2 154.4 149.2 143.9 138.9 133.4 129.6 129.9
20.0 152.9 151.4 164.7 199.1 256.0 303.4 309.9 316.1 310.1 280.5 238.2 209.1 188.3 168.2 160.2 152.9 146.9 140.9 134.1 128.4 123.6 122.8
22.5 147.4 147.2 164.0 221.4 303.1 336.2 337.2 343.2 328.5 298.6 259.8 225.4 195.6 167.0 159.7 153.2 146.4 139.9 130.6 123.3 117.6 117.8
25.0 142.9 143.9 168.5 262.0 327.2 348.3 353.0 356.0 338.7 305.1 263.0 229.6 196.6 164.5 157.9 153.2 146.4 138.4 128.4 118.3 111.1 111.3
27.5 137.4 138.9 175.5 292.1 330.5 358.8 355.8 359.3 316.9 279.0 252.5 224.6 193.8 157.9 154.2 151.4 145.4 136.6 124.8 112.1 104.6 103.8
30.0 132.4 135.1 186.5 298.6 337.7 371.3 331.7 332.5 293.4 244.9 210.6 194.8 179.5 148.4 147.9 147.4 142.6 134.1 119.6 106.6 97.0 96.3
32.5 126.3 128.4 200.6 300.4 351.5 373.8 327.2 325.2 293.4 230.1 186.3 167.0 153.9 135.1 136.1 138.9 136.4 128.4 114.8 98.8 89.3 87.8
35.0 120.3 122.3 204.3 293.9 368.5 363.3 331.2 324.9 285.3 223.9 163.7 147.9 143.9 121.3 122.8 125.3 124.8 121.1 106.6 92.0 82.5 81.2
37.5 113.8 116.8 201.1 298.1 372.3 360.0 343.0 336.5 274.5 216.1 145.9 136.9 139.6 108.1 109.6 111.8 111.6 110.1 99.8 86.8 78.2 76.7
40.0 106.3 110.6 193.3 306.4 358.0 323.4 321.4 332.5 295.4 209.1 131.9 122.6 116.1 100.5 99.0 99.3 99.5 99.8 94.5 82.5 73.9 72.7
42.5 101.3 105.1 175.3 310.1 331.7 270.8 339.2 350.5 325.9 219.4 127.9 114.3 106.6 98.0 93.5 90.5 89.8 91.0 90.0 79.5 70.9 69.7
45.0 96.8 98.8 160.2 284.8 281.5 278.0 373.3 378.6 374.1 239.7 123.3 108.8 103.6 97.5 92.3 86.5 83.5 84.3 86.8 77.2 68.7 67.2
47.5 89.3 92.0 139.4 216.9 212.1 269.5 434.5 448.0 405.1 246.4 121.6 107.8 102.8 97.3 92.3 86.0 81.2 80.2 84.0 75.7 66.7 64.7
50.0 81.7 85.3 113.8 163.5 169.0 271.8 465.8 475.1 366.3 248.4 129.1 108.3 102.1 96.8 91.8 86.0 80.2 77.2 80.2 73.9 64.4 62.7
52.5 75.7 78.2 93.5 118.6 134.4 274.3 458.0 465.1 324.9 240.4 124.8 106.6 101.3 95.8 90.8 85.8 79.2 74.7 75.7 71.7 61.7 60.2
55.0 68.7 71.4 80.0 95.0 112.1 270.3 479.1 469.4 320.4 221.6 122.3 105.3 100.5 94.3 88.8 85.5 78.0 71.7 71.7 68.4 59.2 57.2
56.0 65.7 68.4 75.7 89.3 106.8 274.0 478.4 448.5 311.6 222.6 122.1 105.1 100.8 94.3 88.0 85.0 78.0 70.7 69.9 67.2 57.7 56.2
57.5 60.7 63.4 70.4 82.0 102.1 288.1 424.7 396.9 300.9 223.9 124.1 107.6 100.0 93.8 87.0 84.0 77.5 68.4 67.2 64.4 55.4 53.7
60.0 51.7 54.9 63.9 75.5 93.3 265.5 295.1 298.4 300.1 227.1 125.3 105.6 99.3 91.5 84.8 81.5 77.0 64.9 61.7 60.2 51.2 49.7
62.5 45.1 48.2 57.9 70.2 84.0 189.1 231.6 240.9 292.1 220.4 108.3 91.5 87.8 86.0 82.2 79.2 74.5 61.4 56.2 55.2 46.4 45.1
65.0 39.6 42.6 51.9 61.7 73.7 163.5 209.9 209.9 257.2 156.9 52.4 39.6 38.3 48.9 69.7 76.0 69.9 58.7 50.7 48.9 40.6 38.6
67.5 35.6 37.6 46.6 53.7 65.9 101.8 174.8 180.5 166.5 93.0 19.8 14.1 12.0 11.8 21.5 60.2 63.4 53.7 44.1 40.1 33.3 30.6
70.0 27.6 30.9 40.9 48.2 59.2 81.0 111.8 113.8 114.8 57.9 12.3 9.5 7.3 7.8 6.8 15.6 47.4 44.1 31.1 23.6 19.8 15.6
72.5 20.5 22.8 34.8 42.1 51.2 29.1 72.9 83.3 93.0 23.1 9.5 7.3 6.3 6.5 5.5 7.5 11.5 21.5 11.5 11.0 9.0 8.0
75.0 15.1 17.5 26.6 33.1 26.1 10.0 35.1 44.4 49.2 13.6 6.8 5.0 4.5 4.3 4.0 5.5 4.8 6.3 6.0 8.3 6.5 6.0
77.5 6.0 8.8 11.3 14.3 3.5 4.0 10.0 14.3 14.8 8.5 4.5 3.5 2.8 2.5 2.5 3.5 3.3 3.8 4.0 5.8 4.3 4.0
80.0 2.5 2.5 3.5 2.3 1.8 1.8 2.3 3.0 3.8 3.3 2.3 1.8 1.5 1.5 1.5 1.8 2.0 2.0 2.3 3.5 2.5 2.5
82.5 1.0 1.0 1.5 0.8 0.8 1.0 1.0 1.3 2.0 1.8 1.5 1.3 1.0 0.8 0.8 0.8 1.0 1.0 1.0 1.3 1.3 1.5
85.0 0.0 0.3 0.3 0.5 0.3 0.8 0.3 0.8 1.0 1.3 0.8 0.8 0.5 0.8 0.8 0.5 0.3 0.3 0.0 0.3 0.0 0.5
87.5 0.0 0.0 0.0 0.0 0.0 0.3 0.0 0.3 0.3 0.3 0.5 0.5 0.3 0.3 0.3 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
(A similar table including even some other results can be computed at producer's website.)