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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]09/05/95
# [TEST]ITL44141
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] 7200 250M DFA
# [LUMINAIRE] FLOODLIGHT (DOWNLIGHTS) DOWN FORWARD ASYMETRICAL.
# [MORE]CAST METAL HOUSING, BLACK PAINTED GENERAL INTERIOR FINISH,
# [MORE]FABRICATED SPECULAR PEENED ALUMINUM REFLECTOR, CLEAR FLAT GLASS
# [MORE]ENCLOSURE WITH CAST METAL DOOR FRAME.
# [LAMP]ONE 250-WATT CLEAR BT-28 "SUPER" METAL HALIDE, HORIZONTAL POSITION.
# [OTHER]THE 0 DEGREE PLANE IS PERPENDICULAR TO THE LAMP.
# [OTHER]Version: 03/01/1999 - 12:00:00
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 23000 lm each
# Number of measured angles: 37 vertical, 21 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: 250 W
# Source file: Hydrel\7200\ITL44141.ies
# Luminaire flux = 11402 lm,
# 49.6 % of the bulb flux
# between 75 and 90: 0.3 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 2.3 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 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:
0.0 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4 170.4
2.5 180.0 180.3 180.7 180.3 179.6 178.4 176.5 175.0 173.4 172.3 170.7 169.6 167.7 165.3 163.8 163.0 161.9 161.1 159.2 158.8 158.4
5.0 192.3 193.0 192.3 191.5 189.2 186.1 182.7 178.8 175.3 171.1 168.8 167.3 163.8 160.3 157.7 155.3 154.2 152.7 151.5 150.7 150.7
7.5 203.8 205.0 203.4 201.1 198.0 193.4 187.7 181.5 175.7 170.0 166.5 164.2 159.6 155.0 151.9 149.2 147.7 145.7 145.0 145.3 144.6
10.0 216.1 216.5 215.0 212.3 206.5 200.0 192.3 183.8 175.3 167.7 164.6 161.1 155.0 149.2 145.3 143.8 142.3 140.7 139.2 139.2 138.4
12.5 226.9 228.0 226.1 221.5 214.6 206.5 196.5 186.1 175.3 165.3 160.7 156.9 149.6 144.6 140.3 137.7 136.1 135.0 133.8 133.4 133.0
15.0 240.0 239.6 236.9 229.6 222.3 212.3 200.3 186.9 173.8 161.5 155.7 151.1 143.4 137.3 133.8 131.1 129.2 128.4 127.3 127.7 127.7
17.5 254.6 253.0 248.4 241.1 231.1 219.6 205.3 188.4 171.5 156.9 150.3 145.0 136.1 131.9 128.4 125.7 124.6 123.8 123.8 123.0 123.0
20.0 266.1 266.1 260.0 251.9 239.6 225.0 207.7 188.0 166.9 149.6 142.3 136.5 127.7 124.2 120.7 119.6 119.6 119.6 119.2 119.2 119.2
22.5 277.7 276.1 271.1 261.5 248.0 230.0 209.2 183.4 158.0 138.4 131.9 125.3 118.0 115.0 113.4 113.0 113.8 115.0 115.0 115.7 115.3
25.0 291.5 291.5 285.3 273.0 256.9 233.8 208.0 175.3 145.7 125.7 118.8 113.4 106.5 104.6 105.7 106.5 108.8 110.3 110.7 111.9 112.3
27.5 313.8 312.7 305.0 288.0 266.5 236.5 201.5 161.9 130.0 110.7 104.2 100.0 95.3 94.6 97.3 100.0 103.4 106.1 107.3 108.8 109.2
30.0 340.7 338.0 326.5 305.0 276.1 240.0 190.7 144.6 113.0 97.3 92.3 89.2 85.7 86.5 89.6 93.8 98.4 102.3 104.6 106.1 106.9
32.5 369.2 366.9 351.5 322.3 290.7 238.8 176.1 126.1 99.2 86.9 83.0 80.4 78.4 80.0 83.4 88.4 94.6 98.8 101.9 104.2 105.3
35.0 392.2 389.2 372.6 343.0 301.9 235.7 157.3 108.8 86.9 78.8 76.1 74.2 71.9 73.8 76.9 83.0 89.6 95.0 99.6 102.3 103.0
37.5 407.6 404.9 387.2 360.0 311.1 229.2 141.9 98.8 80.7 74.6 72.3 70.4 68.8 70.0 73.0 79.2 86.5 92.7 98.0 101.5 102.3
40.0 410.7 409.9 394.9 370.3 319.2 223.0 133.4 93.4 77.7 71.1 69.6 68.0 66.1 68.4 71.1 76.9 84.6 90.7 97.3 101.5 102.3
42.5 406.9 406.1 391.1 371.1 321.1 211.5 127.7 89.2 73.8 67.3 65.0 64.6 63.1 65.4 68.4 73.4 81.5 88.4 94.6 98.8 100.0
45.0 390.7 391.5 381.5 366.1 312.3 198.8 123.0 86.9 71.5 65.0 62.7 62.3 61.9 63.4 67.3 72.3 80.0 86.9 93.4 97.7 98.4
47.5 362.3 361.9 356.9 348.4 294.2 185.7 116.9 83.8 67.7 59.6 57.3 57.3 58.8 61.1 64.6 69.6 77.3 84.2 91.5 96.1 97.7
50.0 326.1 329.2 326.1 323.4 266.1 173.4 110.0 80.4 64.2 55.0 53.1 53.4 56.5 60.4 63.1 68.8 75.7 83.4 91.1 96.1 96.9
52.5 287.7 290.0 290.0 291.1 235.0 159.6 100.7 74.2 58.8 49.6 47.7 48.4 52.7 57.3 61.5 66.5 73.8 81.9 90.0 95.3 96.9
55.0 253.0 254.6 254.6 252.7 204.6 141.1 91.1 68.0 53.1 44.6 42.3 43.8 47.7 53.1 59.6 65.0 73.0 80.7 87.7 90.3 92.3
57.5 220.7 223.0 222.7 219.6 174.2 121.5 81.1 58.1 41.5 32.7 29.6 30.4 39.2 48.4 56.9 63.1 70.7 76.5 70.7 61.5 62.3
60.0 189.2 191.1 192.7 187.7 150.0 103.0 66.5 40.0 22.3 15.4 13.1 14.2 20.8 34.2 51.5 61.5 66.5 50.0 26.9 22.7 23.1
62.5 159.2 161.5 162.3 156.1 124.6 84.6 45.0 18.5 8.1 4.6 4.2 3.8 6.2 13.8 33.8 56.9 41.1 11.5 10.0 10.8 10.8
65.0 136.9 137.7 138.0 128.8 100.3 57.7 20.0 6.5 4.6 3.5 2.7 2.7 3.1 3.5 11.1 35.0 7.3 3.8 5.0 6.2 6.9
67.5 114.6 115.7 115.7 106.5 76.9 23.8 6.9 4.6 3.8 2.7 2.3 2.3 2.3 2.3 3.1 5.8 2.3 2.3 3.8 5.0 5.4
70.0 96.1 97.3 96.9 87.7 42.7 7.3 4.6 3.8 2.7 2.3 1.9 1.5 1.9 1.9 1.9 1.5 1.5 1.9 3.1 3.8 3.8
72.5 23.8 25.0 29.6 49.6 13.8 3.8 3.5 3.1 2.3 1.9 1.5 1.5 1.9 1.5 1.2 1.2 1.2 1.2 2.3 3.1 3.1
75.0 8.5 9.2 10.0 6.9 3.5 2.7 2.7 2.3 1.9 1.5 1.5 1.5 1.2 1.2 1.2 0.8 1.2 0.8 1.9 1.9 2.3
77.5 4.6 5.0 5.0 3.1 1.9 1.5 1.9 1.9 1.2 1.2 1.2 1.2 1.2 1.2 0.4 0.8 0.8 0.4 1.2 1.2 1.5
80.0 1.5 1.9 2.3 1.2 1.2 0.8 1.2 1.2 1.2 0.8 0.8 0.8 1.2 0.4 0.4 0.4 0.4 0.4 0.4 0.8 0.8
82.5 0.0 0.0 0.4 0.4 0.4 0.4 0.4 0.8 0.8 0.4 0.8 0.8 0.4 0.4 0.4 0.8 0.0 0.0 0.4 0.0 0.0
85.0 0.0 0.0 0.0 0.0 0.4 0.4 0.4 0.4 0.4 0.4 0.8 0.8 0.4 0.4 0.4 0.4 0.4 0.0 0.0 0.0 0.0
87.5 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.4 0.4 0.0 0.0 0.4 0.4 0.4 0.4 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
(A similar table including even some other results can be computed at producer's website.)