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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] 1192042801
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KADT 250S R3
# [LUMINAIRE] DIE-CAST CUTOFF LUMINAIRE
# [LAMPCAT] LU250/S
# [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, 30000 lm each
# Number of measured angles: 33 vertical, 21 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.200 1.200 0.000
# Ballast factor: 1, Input power: 310 W
# Source file: Lithonia_Lighting\Outdoor\Area\KADT\92042801A.ies
# Luminaire flux = 24131 lm,
# 80.4 % of the bulb flux
# between 75 and 90: 3.4 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 50.2 cd/1000lm , 0.4 % 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 77.5 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:
0.0 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9 159.9
5.0 167.7 169.3 169.3 168.6 166.4 166.4 164.9 163.1 161.9 159.7 159.1 158.4 156.5 154.3 152.7 150.9 150.2 148.9 148.4 148.6 148.6
10.0 177.2 179.5 177.7 178.2 177.2 176.4 174.1 171.4 166.7 162.8 160.3 157.7 153.1 148.6 146.7 144.0 140.8 137.7 135.6 135.7 135.6
15.0 179.3 181.1 182.2 187.1 191.1 189.0 182.0 175.6 166.6 159.4 156.0 153.9 146.7 142.8 138.0 134.8 133.0 131.4 127.7 124.8 126.1
20.0 173.3 175.1 179.7 189.3 193.2 193.0 191.7 187.3 177.8 167.3 162.8 159.5 152.4 146.2 140.8 135.2 127.3 124.7 120.3 117.2 116.9
22.5 167.1 170.6 178.0 188.1 190.9 197.0 199.2 191.8 184.4 175.4 170.9 166.7 158.5 150.2 140.4 133.2 125.6 121.0 116.9 113.9 113.2
25.0 164.1 167.2 175.6 184.8 191.4 202.1 205.1 203.7 195.4 186.0 181.1 175.6 165.5 153.2 142.8 133.0 125.3 119.0 113.1 109.3 108.8
27.5 158.4 164.1 173.8 183.3 193.3 207.2 216.3 222.4 213.9 205.0 201.0 195.2 179.1 161.0 144.3 133.0 122.6 116.8 111.0 106.9 106.3
30.0 156.5 159.9 172.3 183.7 196.1 215.9 237.1 251.7 244.0 234.8 229.5 221.6 201.6 175.3 150.2 133.4 122.4 115.3 106.5 103.4 103.0
32.5 147.6 153.8 166.3 183.0 202.0 231.1 272.9 299.7 288.2 267.1 257.6 248.6 227.7 197.3 161.4 135.8 122.8 112.5 105.2 99.4 97.9
35.0 141.8 146.9 160.1 180.8 205.3 250.2 318.7 355.2 328.0 289.7 275.8 263.9 243.7 219.4 175.3 141.5 122.3 111.1 101.9 96.4 94.1
37.5 135.1 138.4 154.0 176.7 205.2 267.7 360.3 401.9 359.3 299.5 280.2 263.5 242.9 227.2 192.6 151.1 123.7 110.9 99.6 91.1 91.2
40.0 130.0 132.9 146.5 171.0 206.5 279.5 382.7 424.0 363.9 294.3 272.6 258.4 235.3 218.7 199.2 162.4 126.9 108.9 98.1 87.7 87.6
42.5 127.0 129.9 141.9 168.5 204.6 280.0 386.1 423.1 362.7 294.7 276.2 259.3 231.8 209.8 191.8 168.7 131.6 106.5 91.2 81.1 80.9
45.0 123.6 128.6 138.7 167.5 201.9 266.8 368.5 409.1 359.2 297.8 274.9 259.3 232.8 203.9 184.5 168.8 136.6 98.4 82.3 74.8 75.6
47.5 124.3 128.5 138.6 163.4 191.0 243.2 335.7 387.7 350.8 291.9 274.0 260.0 235.9 202.7 175.8 161.8 138.0 91.6 75.7 72.3 74.0
50.0 128.8 131.0 141.3 161.3 176.7 214.1 298.7 357.7 335.1 285.3 265.0 251.7 229.6 202.7 170.7 152.5 128.2 85.4 72.6 73.6 74.0
52.5 138.9 140.7 144.0 161.6 163.6 190.4 269.8 327.0 303.6 258.7 245.3 233.7 213.4 188.4 163.4 144.6 113.4 80.5 71.2 74.4 74.3
55.0 153.5 153.4 144.5 161.9 156.3 176.9 246.8 292.3 257.7 214.2 203.6 197.3 189.7 174.8 153.0 131.4 97.8 78.0 69.8 71.4 71.6
57.5 165.0 163.1 140.1 158.8 154.3 166.3 232.0 254.6 238.5 206.0 191.2 182.4 177.9 173.9 150.8 120.2 89.1 73.6 69.0 66.0 64.9
60.0 164.9 162.5 128.3 147.2 153.5 157.2 212.6 266.5 270.4 206.1 179.7 166.4 159.5 160.6 146.9 106.5 81.0 69.6 67.9 58.1 57.6
62.5 151.8 144.7 115.1 134.6 148.0 149.9 215.7 309.1 318.8 216.1 177.1 157.8 142.7 140.9 127.7 90.2 74.0 66.9 65.5 52.3 51.1
65.0 102.8 103.3 97.2 113.2 139.3 143.6 222.6 360.9 346.0 220.1 180.8 153.7 130.6 122.1 103.3 81.0 70.2 64.7 61.9 46.4 41.6
67.5 69.6 73.9 77.8 92.0 121.8 130.2 224.7 383.3 353.9 228.3 179.3 149.5 122.8 113.1 95.3 78.0 68.5 63.1 56.8 37.6 32.6
70.0 52.5 56.7 61.9 69.9 94.2 115.3 222.3 373.8 357.3 222.4 171.1 141.7 113.2 104.3 87.7 74.9 66.1 60.6 50.0 31.2 27.5
72.5 37.9 42.4 48.2 51.6 68.0 100.5 204.1 346.9 339.7 190.1 150.5 129.0 102.6 95.0 81.5 69.3 60.6 56.4 41.1 25.1 22.0
75.0 24.2 25.8 32.9 38.1 51.7 85.0 167.7 293.9 261.7 122.3 93.9 79.2 64.6 57.9 54.0 51.1 50.3 39.0 26.6 14.6 13.9
77.5 8.9 8.7 15.5 19.5 33.8 61.1 101.9 153.3 115.7 44.3 34.8 28.7 16.7 15.5 13.4 11.4 14.3 17.0 16.6 10.9 9.5
80.0 0.0 0.0 1.8 3.7 11.9 18.0 23.1 50.2 44.1 22.9 18.0 13.3 10.3 8.4 8.0 6.3 6.7 9.7 9.7 6.3 5.9
82.5 0.0 0.0 0.0 0.0 0.0 1.9 6.0 16.5 17.1 9.3 7.4 5.7 5.2 4.4 3.7 1.9 1.6 3.0 4.4 1.4 2.7
85.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.0 4.3 1.0 1.3 0.0 0.0 0.2 0.4 0.0 0.0 0.0 0.0 0.0 0.0
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
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.)