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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] 1194081502
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KSF1 150S R4SC
# [LUMINAIRE] ARM MOUNTED FIXURE WITH PREMIUM SEGMENTED OPTICS
# [LAMPCAT] LU150/55
# [LAMP] ONE 150-WATT CLEAR ET-23.5 HIGH PRESSURE SODIUM, HORIZONTAL
# [MORE] POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 16000 lm each
# Number of measured angles: 29 vertical, 21 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.000 1.000 0.000
# Ballast factor: 1, Input power: 189 W
# Source file: Lithonia_Lighting\Outdoor\Area\KSF\94081502.ies
# Luminaire flux = 5770 lm,
# 36.1 % of the bulb flux
# between 75 and 90: 3.8 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 27.5 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 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:
0.0 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3 112.3
5.0 116.3 116.8 116.0 116.1 115.4 114.7 114.6 114.1 113.5 112.8 112.3 112.1 112.1 111.5 109.9 105.9 101.4 95.2 92.4 87.5 89.1
10.0 119.9 120.3 119.2 117.7 116.8 116.1 116.6 116.1 115.8 114.8 114.2 113.4 111.4 100.2 79.8 55.6 36.9 24.1 18.0 14.4 15.0
15.0 119.4 119.2 117.4 116.1 115.9 116.1 115.9 114.3 112.8 111.4 111.1 110.6 100.5 71.1 37.8 15.8 7.5 6.3 5.9 5.9 5.9
20.0 117.9 117.5 115.8 113.8 112.8 112.4 112.1 109.4 106.9 104.1 103.3 102.1 80.1 39.1 12.8 8.2 6.0 5.2 4.8 4.4 4.3
25.0 118.3 118.4 116.8 114.6 111.9 109.8 108.6 106.4 103.6 100.6 100.3 95.2 60.0 18.4 5.4 6.3 5.8 3.6 3.4 3.6 3.7
30.0 127.8 127.4 123.5 118.0 113.9 109.3 106.9 105.6 102.9 99.9 98.1 89.3 45.8 8.4 4.8 4.9 4.9 3.2 3.1 2.9 3.0
35.0 154.4 153.4 145.0 134.7 121.0 111.4 104.1 100.5 98.6 93.3 91.7 76.2 32.5 9.4 5.1 4.0 3.8 2.3 1.6 1.3 1.4
40.0 183.8 183.8 170.5 159.3 144.3 122.0 104.9 96.0 89.3 83.7 80.3 61.4 21.0 8.8 7.3 3.6 1.8 0.5 0.4 0.4 0.3
42.5 182.3 181.9 173.3 170.0 158.4 130.4 112.1 96.3 86.9 80.9 75.8 55.1 16.2 8.9 8.1 3.5 1.3 0.4 0.2 0.1 0.3
45.0 198.0 196.2 182.9 168.9 164.9 143.3 116.4 103.3 89.7 78.7 71.4 49.4 12.0 8.1 7.4 3.3 0.4 0.2 0.0 0.1 0.0
47.5 229.7 227.4 211.8 185.3 165.4 149.2 113.1 93.4 88.6 79.8 69.3 45.2 9.1 7.0 6.5 3.3 0.2 0.1 0.0 0.0 0.0
50.0 252.1 250.8 245.9 215.0 173.6 138.7 112.3 84.9 84.4 83.3 70.0 42.0 9.0 6.1 5.6 2.1 0.1 0.1 0.1 0.0 0.0
52.5 259.6 258.8 249.1 231.3 193.4 143.9 106.2 84.0 73.3 76.1 71.8 45.1 10.1 5.4 4.1 0.9 0.2 0.1 0.0 0.0 0.0
55.0 284.0 281.9 263.9 239.0 208.1 144.4 107.6 84.7 68.1 69.7 63.9 49.3 11.4 6.0 1.6 0.2 0.1 0.1 0.0 0.0 0.0
57.5 289.3 290.4 298.5 256.1 217.5 146.7 116.1 88.1 66.6 63.3 53.4 45.1 13.4 5.8 1.5 0.1 0.1 0.0 0.0 0.0 0.0
60.0 276.3 277.8 294.6 285.0 215.9 138.9 124.8 94.9 66.2 57.3 46.8 36.4 14.0 5.4 1.6 0.0 0.0 0.1 0.0 0.0 0.0
62.5 296.4 292.4 267.6 257.3 197.8 132.9 128.9 101.8 68.3 53.9 39.8 30.2 9.2 3.6 0.4 0.0 0.1 0.1 0.1 0.0 0.0
65.0 233.7 237.3 252.8 247.3 172.4 136.4 118.3 101.8 71.4 51.2 34.3 25.6 5.3 2.7 0.4 0.1 0.0 0.1 0.0 0.1 0.0
67.5 224.4 219.4 232.6 228.6 171.8 133.7 115.9 95.0 72.4 47.9 29.9 22.8 3.1 1.6 0.1 0.1 0.1 0.1 0.0 0.1 0.0
70.0 205.1 200.3 196.4 191.4 147.7 124.6 114.9 89.0 59.0 42.7 23.6 16.5 1.1 0.6 0.0 0.0 0.1 0.0 0.1 0.1 0.0
72.5 179.6 175.6 168.0 154.2 132.4 119.0 105.8 65.1 33.9 27.9 15.1 10.6 0.9 0.1 0.1 0.0 0.1 0.0 0.1 0.1 0.0
75.0 122.6 124.9 143.9 131.9 116.6 96.6 78.0 47.8 25.3 20.5 14.2 5.9 0.4 0.0 0.0 0.1 0.0 0.1 0.1 0.0 0.0
77.5 26.1 26.8 42.1 58.0 74.5 44.4 50.7 33.2 22.0 9.8 5.4 2.7 0.1 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0
80.0 7.1 7.5 10.2 10.0 11.9 13.4 27.5 19.9 15.9 4.7 1.9 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0
82.5 1.8 1.8 2.3 1.8 2.9 2.8 5.6 7.3 8.5 1.8 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
85.0 0.3 0.2 0.4 0.4 0.4 0.1 0.4 0.5 0.2 0.0 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 0.0 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.)