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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] 1193042201
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KSF2 400S R4SC
# [LUMINAIRE] ARE LIGHT WITH TYPE 4 , CUTOFF REFLECTOR, FLAT GLASS LENS.
# [LAMPCAT] LU400
# [LAMP] ONE 400-WATT CLEAR ET-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 50000 lm each
# Number of measured angles: 29 vertical, 21 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.400 1.400 0.000
# Ballast factor: 1, Input power: 468 W
# Source file: Lithonia_Lighting\Outdoor\Area\KSF\93042201.ies
# Luminaire flux = 20346 lm,
# 40.7 % of the bulb flux
# between 75 and 90: 5.5 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 48.8 cd/1000lm , 1.4 % 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 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:
0.0 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5 116.5
5.0 118.0 117.9 118.0 118.8 119.1 118.6 119.5 119.9 118.4 117.1 116.6 117.0 115.5 116.9 120.3 122.1 123.6 123.8 123.8 122.4 123.4
10.0 119.9 120.0 121.2 121.8 121.4 120.5 119.8 118.2 118.8 118.2 118.1 117.3 119.6 121.6 114.6 104.6 97.6 84.0 80.0 69.9 70.4
15.0 118.5 118.0 118.4 118.3 117.7 118.9 120.5 119.8 119.1 118.5 120.9 120.8 121.3 106.5 84.3 51.3 25.7 12.8 8.5 7.0 7.0
20.0 121.4 121.1 119.7 118.7 118.6 117.0 116.9 119.3 118.1 117.6 120.2 121.2 114.1 77.6 36.9 11.2 6.9 5.5 5.4 5.1 4.4
25.0 125.1 124.9 122.3 121.3 118.5 116.9 115.2 116.6 116.5 115.7 117.8 121.5 98.5 48.8 12.4 7.1 5.5 4.8 4.8 4.3 4.1
30.0 131.0 130.9 130.0 126.7 121.3 116.7 113.0 110.9 112.3 110.4 115.3 112.4 73.8 23.1 10.4 7.9 4.9 3.2 3.3 2.3 2.9
35.0 144.6 144.0 139.9 135.3 126.2 118.6 110.7 106.3 105.7 102.6 108.3 97.0 54.0 11.6 12.0 8.3 4.1 2.1 1.3 0.6 0.9
40.0 219.5 219.5 191.8 163.1 135.8 122.7 110.0 103.7 99.7 94.4 98.4 86.4 40.8 13.3 9.3 8.7 2.4 1.0 0.3 0.0 0.5
42.5 285.7 283.2 256.4 216.2 153.6 126.2 112.3 104.1 96.3 90.5 93.7 80.7 33.6 13.2 8.6 5.4 1.5 0.7 0.1 0.0 0.0
45.0 309.2 306.9 292.7 258.6 198.3 132.4 111.0 105.5 97.1 86.4 87.6 75.9 26.2 13.3 7.8 3.2 1.4 0.2 0.2 0.0 0.0
47.5 321.1 317.3 304.9 277.9 233.1 152.5 112.7 101.8 96.7 84.2 83.4 70.8 20.1 14.4 6.7 2.5 0.8 0.2 0.0 0.1 0.0
50.0 317.6 313.5 318.8 288.5 241.3 186.0 116.3 110.7 98.9 82.2 81.6 66.1 15.6 14.4 6.6 3.0 0.9 0.0 0.0 0.0 0.0
52.5 270.3 267.5 289.6 307.8 249.1 190.7 129.3 104.1 98.4 81.6 79.4 58.8 14.5 13.7 7.6 2.3 0.5 0.0 0.0 0.1 0.0
55.0 241.5 241.3 239.5 260.9 273.5 187.8 137.7 106.6 95.6 83.6 78.4 52.8 14.4 10.6 7.6 1.6 0.6 0.2 0.0 0.0 0.0
57.5 253.4 252.8 240.9 217.6 249.8 190.7 135.7 112.7 85.1 83.9 77.9 50.2 15.3 8.7 5.5 0.1 0.7 0.1 0.0 0.0 0.0
60.0 247.6 245.2 240.7 219.1 201.0 176.8 131.1 118.9 80.0 80.7 76.3 47.6 13.1 5.4 4.1 1.0 0.8 0.1 0.0 0.0 0.0
62.5 201.8 200.7 222.4 217.6 183.7 160.0 135.7 113.7 80.0 71.4 71.0 46.6 12.7 3.9 1.1 0.8 0.6 0.0 0.0 0.0 0.0
65.0 211.5 208.2 198.2 194.5 170.2 151.8 128.9 105.5 79.9 59.5 61.7 42.3 12.1 1.1 0.5 0.3 0.4 0.2 0.0 0.0 0.0
67.5 206.8 204.8 197.5 176.6 151.7 135.4 114.4 97.8 77.3 53.6 51.2 30.5 13.0 0.7 0.4 0.5 0.4 0.2 0.0 0.0 0.1
70.0 244.1 243.1 205.1 171.7 142.0 117.6 114.6 87.4 67.2 42.0 43.2 22.5 6.9 0.5 0.4 0.0 0.3 0.2 0.0 0.2 0.0
72.5 230.0 223.0 225.2 181.2 135.1 110.4 93.9 74.1 48.0 31.1 32.9 16.4 2.1 0.7 0.2 0.0 0.0 0.2 0.0 0.0 0.0
75.0 152.9 148.3 160.7 149.0 133.9 100.1 76.3 63.6 35.5 23.2 22.7 12.6 1.8 1.0 0.1 0.0 0.0 0.1 0.0 0.1 0.0
77.5 47.8 43.6 58.8 83.0 91.8 77.6 58.1 45.8 28.6 14.6 12.4 9.4 1.0 0.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0
80.0 26.9 26.1 28.2 28.9 37.9 48.8 45.1 33.0 22.4 9.7 7.6 7.2 0.5 0.2 0.3 0.0 0.1 0.0 0.0 0.0 0.0
82.5 27.1 24.1 23.6 16.9 17.3 22.8 24.7 22.1 14.9 5.9 4.6 3.2 0.0 0.0 0.2 0.1 0.2 0.0 0.0 0.0 0.0
85.0 5.5 5.2 4.7 4.3 7.9 10.9 6.7 6.7 7.2 2.6 2.0 1.1 0.0 0.3 0.2 0.0 0.0 0.0 0.0 0.0 0.0
87.5 1.6 1.4 1.8 0.9 1.5 1.0 1.4 2.2 2.0 0.5 0.0 0.0 0.0 0.0 0.2 0.0 0.1 0.1 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.)