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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] LTL9497
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KADT 250S SR3
# [LUMINAIRE] AREA LIGHT WITH HIGH PERFORMANCE SR3 OPTICS, CLEAR FLAT GLASS.
# [LAMPCAT] LU250
# [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, 29000 lm each
# Number of measured angles: 37 vertical, 30 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.250 1.250 0.000
# Ballast factor: 1, Input power: 310 W
# Source file: Lithonia_Lighting\Outdoor\Area\KADT\ltl9497A.ies
# Luminaire flux = 20853 lm,
# 71.9 % of the bulb flux
# between 75 and 90: 2.7 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 29.6 cd/1000lm , 0.3 % 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 60.0 62.5 65.0 67.5 70.0 72.5 75.0 77.5 80.0 82.5 85.0 87.5 90.0 95.0 105.0 115.0 125.0 135.0 145.0 155.0 165.0 175.0 180.0
#V:
0.0 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6 117.6
2.5 117.1 121.0 122.3 119.7 117.6 122.2 121.8 120.0 120.0 119.3 119.0 120.9 119.0 118.3 119.7 121.9 121.2 116.7 117.2 115.7 115.7 118.2 116.1 116.4 116.9 113.5 117.8 113.5 111.9 115.7
5.0 120.1 120.7 121.3 121.9 121.8 123.0 124.6 123.3 122.0 124.6 121.0 124.9 121.4 123.3 120.3 125.8 121.6 124.9 120.4 121.3 120.3 122.3 118.9 114.7 117.1 113.8 112.8 112.8 112.7 110.8
7.5 124.7 122.4 122.7 126.0 123.3 128.6 128.4 129.3 124.3 127.4 126.7 127.8 126.6 128.6 126.6 128.3 123.4 127.9 121.6 124.0 121.0 121.9 119.2 114.8 114.9 113.2 113.8 111.5 112.5 106.8
10.0 120.5 123.6 124.6 128.3 128.2 133.3 131.3 126.8 127.9 129.6 124.8 126.2 127.0 126.2 126.9 125.9 122.2 125.9 125.8 123.4 121.0 120.2 119.0 118.0 112.1 114.1 113.5 111.2 111.5 109.9
12.5 126.0 128.3 129.6 130.9 130.9 128.9 128.8 127.0 128.8 127.4 130.0 129.2 129.6 127.8 127.6 127.8 125.9 130.2 126.4 128.4 122.4 121.0 116.9 118.1 116.0 108.8 111.2 110.8 109.9 109.3
15.0 127.2 123.0 130.3 130.2 134.2 133.0 134.5 131.9 135.2 131.3 136.6 135.1 135.9 132.2 135.2 134.3 135.6 132.6 131.8 126.9 123.4 121.1 120.3 118.2 110.8 113.7 109.2 109.9 106.5 108.2
17.5 126.9 124.2 127.9 130.0 133.3 132.6 141.0 135.2 140.8 139.1 138.1 136.1 137.0 135.9 137.5 132.9 133.8 131.6 134.8 129.3 125.4 120.6 115.4 117.3 112.1 111.7 108.5 109.2 102.9 106.5
20.0 127.4 121.8 125.8 128.9 132.9 140.2 141.8 137.2 140.1 137.4 137.2 134.5 136.1 132.0 133.9 132.9 135.6 132.3 133.2 134.3 130.8 125.4 118.4 118.2 115.7 111.5 105.9 106.8 104.1 101.6
22.5 125.4 123.8 125.0 128.0 133.8 133.2 137.5 137.1 139.3 141.9 142.5 143.1 147.1 147.8 146.6 145.0 148.7 150.0 151.0 147.3 145.3 135.8 124.8 118.2 111.1 112.7 107.7 105.5 103.5 101.6
25.0 122.3 126.9 126.3 125.6 136.0 134.2 144.0 149.3 154.8 156.4 166.7 170.5 177.1 178.1 183.0 182.7 183.1 180.3 181.7 177.3 172.4 156.3 134.0 120.6 115.8 112.8 106.3 104.5 99.2 101.3
27.5 115.1 127.4 122.9 122.4 134.6 137.0 157.9 177.9 184.4 188.5 199.2 200.0 208.0 206.1 208.4 207.6 207.8 206.1 210.0 206.1 199.4 177.1 150.9 125.7 112.9 106.1 102.5 98.7 95.0 97.9
30.0 120.3 119.1 127.8 124.4 138.6 145.9 191.4 206.6 217.8 219.0 229.7 232.8 241.2 243.8 252.7 250.1 251.1 247.2 251.1 245.0 234.6 216.0 173.7 134.6 112.8 109.5 102.5 100.2 93.3 95.3
32.5 115.1 116.0 122.8 124.6 131.5 158.9 218.4 248.9 264.9 277.0 290.5 296.2 301.9 303.0 295.8 289.8 283.9 278.9 272.3 261.4 244.6 213.1 176.7 141.1 117.6 107.8 104.3 94.9 90.6 89.8
35.0 111.9 111.9 118.8 123.2 134.6 177.3 259.9 296.0 312.9 317.5 321.1 312.4 301.8 289.2 282.8 270.8 262.5 250.1 247.5 239.3 223.8 197.8 165.7 136.2 117.3 108.1 98.3 96.6 90.7 89.2
37.5 109.7 104.1 115.4 111.4 134.4 212.4 280.4 304.0 307.4 307.3 302.2 290.4 287.3 278.9 269.9 258.7 248.7 237.7 232.3 217.9 200.8 168.3 141.0 123.8 117.9 108.3 95.9 93.8 88.2 85.8
40.0 103.3 99.5 112.1 107.7 130.6 233.1 276.4 289.0 302.9 308.3 309.4 297.7 285.5 269.9 257.3 237.8 228.2 212.8 208.3 193.9 173.0 150.4 122.4 117.2 113.8 115.0 94.3 90.3 81.7 83.5
42.5 99.6 97.2 103.2 100.5 125.9 216.4 263.7 283.8 281.5 266.7 253.9 241.5 236.6 228.5 229.3 220.8 213.8 202.4 193.2 171.8 150.6 132.8 129.9 112.2 114.4 120.7 92.8 87.8 78.7 78.4
45.0 102.8 94.4 99.0 100.3 114.4 196.7 228.8 234.6 233.2 236.0 232.8 241.6 234.0 228.0 219.2 220.3 218.9 211.1 206.6 196.4 171.5 143.5 111.1 106.3 117.8 127.4 92.6 84.6 77.6 75.8
47.5 101.9 91.4 88.4 89.8 105.1 152.9 208.2 235.7 252.1 258.8 282.3 277.3 279.2 274.0 270.6 268.0 263.9 266.6 252.9 238.2 214.6 162.3 109.9 110.1 121.6 124.9 97.8 78.2 71.4 70.9
50.0 97.0 92.6 80.7 89.6 102.0 134.6 215.1 256.1 279.4 308.6 327.3 353.0 366.5 366.5 358.6 359.6 345.6 330.6 304.6 275.3 238.1 173.6 167.8 115.2 125.6 121.3 94.7 78.2 68.9 64.3
52.5 89.8 88.4 72.0 85.7 92.4 155.2 230.2 311.0 359.7 391.5 412.5 425.6 425.0 406.1 392.5 384.4 358.4 334.3 307.4 297.7 245.1 185.1 165.9 113.9 117.4 117.7 100.8 69.9 65.9 67.7
55.0 77.2 85.1 70.8 86.7 100.5 157.4 248.6 345.2 403.1 420.0 446.6 430.5 422.9 403.5 372.1 342.1 320.3 306.0 296.0 265.7 230.2 176.3 144.4 126.6 106.2 115.7 105.1 72.9 59.4 61.4
57.5 78.4 82.2 65.9 76.8 95.0 121.2 243.4 331.3 382.7 410.5 414.0 416.6 410.5 396.8 351.4 327.4 303.2 294.8 274.9 259.0 240.1 158.1 154.2 133.6 113.0 117.1 85.6 68.9 59.1 55.1
60.0 77.8 74.2 61.2 57.6 79.0 136.6 258.8 312.2 346.8 378.8 397.2 402.9 407.8 400.3 384.0 365.9 347.5 335.9 317.1 290.8 243.9 182.7 163.1 135.5 121.0 102.9 76.9 67.1 54.7 46.8
62.5 76.1 68.3 53.5 48.4 82.1 152.9 248.8 315.2 349.7 382.0 426.3 449.9 451.6 440.6 423.3 406.1 370.7 348.1 329.1 307.6 250.1 185.9 152.0 126.6 128.4 96.0 70.3 59.1 45.6 45.4
65.0 66.9 63.7 47.0 49.0 74.4 135.5 231.7 306.9 326.4 343.6 373.8 387.0 394.8 392.1 374.4 360.9 335.3 325.1 302.3 305.6 272.8 190.6 135.6 122.9 124.3 102.7 62.3 45.9 43.6 37.3
67.5 63.5 56.4 39.7 43.7 65.9 115.9 203.6 277.8 316.9 342.1 384.1 412.7 431.2 454.1 471.0 459.0 434.8 433.5 434.6 435.3 370.8 177.4 114.7 117.0 103.9 86.9 56.5 39.6 38.7 35.3
70.0 47.0 44.0 31.0 36.4 60.4 122.8 251.7 334.0 367.6 401.7 429.5 449.2 468.9 484.5 479.5 449.9 399.9 393.2 391.3 377.0 324.6 164.9 107.8 101.3 103.7 78.8 53.8 31.6 33.7 30.4
72.5 25.3 22.1 20.9 28.1 54.2 157.4 293.2 330.2 342.9 351.6 365.6 363.3 353.7 331.9 318.4 281.8 254.9 240.0 253.8 243.0 210.7 125.8 94.1 93.6 76.8 63.0 44.2 29.3 27.0 26.9
75.0 9.5 11.1 8.4 11.8 40.8 121.7 242.4 253.1 246.3 226.1 195.3 175.0 167.3 155.4 133.9 108.8 84.6 81.2 88.2 87.6 67.9 35.7 64.8 76.5 70.1 45.1 40.2 22.1 24.4 22.3
77.5 2.3 2.9 0.3 2.6 16.4 72.5 82.8 72.6 67.8 61.7 55.1 48.2 43.9 40.4 37.0 29.9 23.2 22.8 16.6 16.9 16.2 10.6 15.6 16.9 31.0 27.5 21.8 8.9 8.3 7.8
80.0 0.0 0.6 1.2 0.7 0.4 15.7 29.6 16.6 11.8 10.9 10.3 11.1 10.6 8.6 9.6 8.8 6.0 8.0 7.0 9.0 5.9 5.2 6.2 6.0 5.2 7.4 9.2 2.9 4.0 2.3
82.5 0.0 0.0 1.0 0.3 2.6 4.0 3.4 2.9 6.2 3.2 6.2 4.3 5.3 4.0 3.0 1.0 4.2 2.9 4.9 1.2 2.6 2.3 0.6 3.3 3.4 3.2 2.9 3.9 1.9 0.0
85.0 0.0 0.0 0.0 0.7 0.7 0.7 1.0 0.0 1.0 1.2 0.0 0.0 0.9 2.2 0.9 0.0 0.4 2.4 2.2 1.3 1.2 1.8 0.0 1.7 1.6 0.7 0.0 0.6 0.7 0.0
87.5 0.0 0.0 0.0 0.6 0.1 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.6 1.3 0.4 0.0 0.3 1.0 1.6 0.7 0.0 0.7 0.0 0.0 1.0 0.4 0.0 0.3 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
(A similar table including even some other results can be computed at producer's website.)