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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] LTL9498
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KADT 250S SR4SC
# [LUMINAIRE] AREA LIGHT WITH HIGH PERFORMANCE SR4SC OPTICS, CLEAR FLAT
# [MORE] 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\ltl9498A.ies
# Luminaire flux = 10064 lm,
# 34.7 % of the bulb flux
# between 75 and 90: 3.9 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 27.0 cd/1000lm , 0.7 % 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:
0.0 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1 113.1
2.5 117.4 112.5 113.1 112.4 113.9 113.2 113.4 114.3 114.3 114.7 111.7 114.2 113.2 113.8 113.4 114.9 113.7 116.5 111.5 114.0 111.7 112.1 113.9 112.9 114.8 114.4 113.7 114.1 118.0 112.8
5.0 113.7 113.7 112.5 115.2 111.5 115.1 113.8 112.3 111.5 113.0 111.1 115.7 110.9 115.5 112.0 114.4 112.5 115.7 114.2 115.1 114.8 115.6 113.3 113.1 112.9 113.5 115.3 110.8 110.0 109.1
7.5 114.9 117.8 114.8 117.9 112.1 114.3 112.1 116.1 111.3 112.2 115.3 113.5 112.1 113.3 111.7 110.2 110.9 113.8 110.8 113.2 114.3 112.3 114.8 109.8 107.7 101.9 96.0 88.8 86.6 84.7
10.0 116.9 118.3 116.9 114.1 114.3 115.3 115.5 114.2 110.2 110.8 112.3 113.1 113.1 113.8 110.5 113.1 114.8 114.5 112.4 111.9 111.1 113.3 113.1 106.8 94.0 77.0 55.7 47.5 42.0 44.0
12.5 114.3 115.5 117.0 119.0 114.2 115.9 115.5 110.8 112.2 114.5 113.0 110.8 111.2 112.9 112.7 109.7 111.8 110.8 113.7 113.3 112.8 109.7 108.8 92.7 66.1 40.3 25.7 20.0 18.2 17.7
15.0 115.9 112.5 116.9 114.4 116.9 113.8 111.8 110.1 111.2 112.0 112.1 109.1 109.5 110.2 111.9 107.8 108.2 107.3 108.8 110.1 108.1 107.7 95.2 70.6 33.6 17.3 8.6 11.8 9.8 6.3
17.5 115.7 111.8 116.2 113.5 116.0 111.8 112.9 109.5 112.8 109.8 111.8 108.8 110.9 108.3 110.1 106.2 110.2 105.2 106.7 106.9 106.8 102.9 85.2 43.2 19.9 11.8 10.1 11.5 10.6 11.5
20.0 108.8 107.7 111.3 113.1 113.2 111.3 112.8 109.3 109.9 107.1 110.2 108.3 108.1 105.8 106.7 104.3 106.7 105.9 106.7 103.8 105.9 98.0 63.0 22.4 9.8 10.4 6.3 8.0 9.2 8.6
22.5 110.2 108.3 109.5 110.2 111.7 110.8 110.4 106.9 107.9 109.3 108.7 103.7 106.3 103.8 106.1 104.5 102.9 103.3 102.9 104.8 102.5 90.2 45.9 13.9 9.0 9.6 7.2 8.0 7.0 8.0
25.0 109.1 107.7 107.7 105.5 108.7 110.8 112.1 108.2 109.1 105.3 107.2 107.8 105.5 101.9 104.9 101.7 103.7 102.5 103.2 99.7 101.1 82.7 32.3 8.4 9.0 8.0 5.6 7.0 4.3 5.4
27.5 105.1 104.3 106.3 104.1 105.1 106.2 109.9 107.1 108.9 106.8 105.7 101.9 105.8 100.9 103.5 101.9 102.8 99.8 101.3 97.6 96.9 70.5 16.8 6.9 9.2 6.2 6.4 1.6 1.4 1.8
30.0 103.0 105.3 107.3 102.3 106.1 103.8 110.8 110.7 113.4 109.2 112.7 107.3 103.2 99.3 103.5 100.8 101.1 98.9 98.9 94.3 95.5 58.4 10.8 8.9 7.6 7.3 3.7 4.8 0.3 4.6
32.5 115.1 109.5 109.4 102.2 102.2 103.9 103.8 106.2 105.7 105.7 107.4 114.2 115.9 110.8 102.5 99.9 99.0 97.2 98.0 94.7 96.4 47.7 7.3 7.0 5.4 5.4 1.0 1.7 1.9 1.4
35.0 126.0 124.4 119.7 107.5 103.2 97.9 103.2 100.3 102.2 98.3 102.2 97.5 104.9 107.1 113.4 107.3 102.6 97.7 98.6 93.9 93.0 37.6 9.2 7.8 5.0 3.7 1.6 1.6 0.3 0.8
37.5 130.3 129.2 128.2 118.1 108.3 98.9 96.3 95.9 103.1 104.1 103.7 96.7 98.8 97.3 103.3 108.5 106.8 97.3 98.2 95.5 86.7 29.0 8.9 6.8 3.4 2.9 0.0 0.9 0.0 0.6
40.0 143.6 139.4 140.7 130.8 116.0 97.4 93.3 89.6 94.6 91.9 101.8 103.7 100.5 93.6 93.7 92.3 104.1 100.3 99.2 92.1 85.0 21.2 7.3 6.4 1.6 3.0 0.0 0.4 0.0 1.4
42.5 162.1 161.0 145.9 139.4 131.3 100.0 89.6 89.6 89.6 87.1 90.3 92.3 100.2 98.1 91.6 86.7 87.8 94.9 95.8 92.0 80.8 17.9 6.9 6.2 1.3 1.8 0.0 0.3 0.0 1.4
45.0 224.2 221.9 192.1 152.9 139.0 110.1 90.1 83.0 82.8 82.1 84.7 81.4 85.6 90.7 93.4 84.2 81.1 78.4 83.5 84.6 76.7 15.8 6.4 6.3 0.0 0.9 0.0 0.0 0.3 0.2
47.5 270.4 268.9 249.5 201.7 137.3 126.2 85.6 81.8 78.4 77.1 79.2 79.8 76.6 79.2 82.6 82.7 79.7 76.2 73.4 79.6 73.7 18.3 6.9 3.2 0.0 0.6 0.0 0.0 1.0 0.0
50.0 246.0 246.5 245.9 233.1 172.2 121.1 93.6 73.6 73.1 73.6 70.7 70.4 74.1 70.5 73.4 74.8 77.1 74.3 73.2 72.4 65.1 15.4 5.4 4.4 0.0 0.3 0.0 0.0 0.0 0.0
52.5 254.3 249.9 242.6 222.8 194.8 128.8 94.4 79.8 71.3 66.7 69.1 68.7 66.0 67.3 66.4 63.6 68.8 73.2 70.0 66.1 57.1 18.3 6.3 0.4 0.0 0.3 0.0 0.0 0.0 0.0
55.0 320.1 308.2 274.2 230.2 188.8 140.2 89.9 81.8 75.4 67.0 63.4 61.6 62.9 63.7 65.0 62.2 63.4 64.0 68.6 67.1 53.6 19.9 2.9 0.4 0.0 0.0 0.0 0.0 0.0 0.0
57.5 347.1 343.4 347.5 277.6 195.8 152.0 92.8 80.4 75.2 69.2 63.7 61.2 60.8 60.1 61.8 59.1 60.8 59.1 61.6 60.1 45.1 18.9 5.2 0.9 0.0 0.0 0.0 0.0 0.0 0.0
60.0 279.3 274.0 292.4 302.0 225.4 148.0 104.9 79.2 72.0 71.7 65.1 61.0 59.6 54.2 55.5 55.2 56.7 55.8 57.2 56.1 41.9 15.3 1.8 0.9 0.0 0.0 0.0 0.0 0.0 0.0
62.5 296.6 290.5 274.8 244.7 216.2 151.9 111.2 88.3 79.8 69.6 66.3 61.6 56.0 53.2 55.2 53.7 50.9 53.2 53.2 53.8 34.6 9.2 2.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0
65.0 234.8 235.6 233.6 225.4 193.8 146.7 114.7 92.8 78.5 72.5 64.1 59.0 52.1 50.8 46.4 47.8 48.2 43.6 42.5 43.2 31.1 2.2 3.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
67.5 185.8 189.5 224.5 203.4 181.0 136.3 111.9 89.2 77.7 66.7 60.8 56.1 55.2 49.2 44.9 38.3 43.0 39.6 38.6 35.9 23.2 2.6 0.7 0.0 0.0 0.0 0.0 0.3 0.0 0.0
70.0 150.4 151.9 151.4 160.3 152.9 127.2 94.5 83.7 72.6 64.2 51.6 50.4 41.2 44.5 37.7 35.6 32.6 34.0 29.0 30.6 20.1 1.4 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
72.5 142.6 138.9 133.3 115.9 116.9 98.6 77.0 63.7 61.0 53.1 44.0 36.3 35.6 32.4 28.9 27.0 24.8 25.1 24.4 20.2 14.9 0.4 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0
75.0 94.8 96.9 112.2 108.3 87.3 74.8 55.2 48.4 39.9 35.4 34.3 31.6 28.1 23.3 20.0 19.3 18.5 16.5 17.2 13.1 6.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
77.5 55.4 53.7 55.0 43.0 58.6 54.6 37.3 38.0 33.9 29.5 28.1 25.5 20.6 15.1 11.4 10.4 8.2 8.0 10.3 10.1 2.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
80.0 12.9 12.2 19.7 19.5 23.4 25.2 27.0 23.9 24.7 22.1 21.5 17.5 11.8 9.8 8.9 6.0 4.3 3.9 4.9 4.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
82.5 9.2 5.3 8.0 4.6 8.3 9.9 5.9 10.1 13.0 10.4 13.3 12.3 10.4 6.9 5.0 3.7 1.9 2.9 1.6 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
85.0 1.4 0.0 1.7 1.2 0.7 0.9 1.2 0.6 0.6 1.4 2.2 2.0 0.9 0.3 1.0 0.0 1.1 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
87.5 0.0 0.0 0.0 0.4 0.0 0.4 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
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.)