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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] 1194083102
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KSF1 175M R3 HS
# [LUMINAIRE] ARM MOUNTED FIXTURES WITH PREMIUM SEGMENTED OPTICS AND HS
# [MORE] OPTION
# [LAMPCAT] M175/U
# [LAMP] ONE 175-WATT CLEAR BT-28 METAL HALIDE, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 12000 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: 213 W
# Source file: Lithonia_Lighting\Outdoor\Area\KSF\94083102.ies
# Luminaire flux = 5889 lm,
# 49.1 % of the bulb flux
# between 75 and 90: 0.4 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 0.8 cd/1000lm , 0.0 % 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 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5 54.5
5.0 72.8 71.4 71.3 69.9 69.1 66.3 64.1 60.3 58.9 56.0 55.3 53.3 50.7 47.4 44.5 43.3 42.0 39.7 39.4 38.7 38.7
10.0 89.8 87.7 87.2 86.3 84.3 82.6 74.5 71.0 67.3 61.2 58.1 54.1 48.1 42.4 38.7 34.8 31.8 30.8 28.7 27.3 26.3
15.0 101.1 100.1 103.4 103.0 102.4 97.8 92.7 86.8 76.2 67.4 60.2 55.3 47.4 38.7 32.2 29.2 25.4 19.9 18.7 17.1 16.2
20.0 106.9 105.4 107.4 113.0 115.8 116.2 114.3 102.6 83.3 70.5 64.5 56.0 45.3 35.8 29.9 22.9 16.0 11.0 7.9 5.8 6.6
25.0 110.7 109.5 116.0 116.2 126.8 136.0 138.8 141.0 134.1 104.3 85.8 64.8 45.3 30.8 22.1 14.1 7.8 5.2 4.3 3.9 1.2
30.0 106.9 114.1 118.7 121.2 149.9 184.9 221.3 223.0 179.1 124.1 96.2 67.0 42.8 24.9 13.3 7.0 4.8 4.1 3.3 1.0 2.0
35.0 105.4 112.3 111.6 128.7 171.9 210.6 251.9 260.3 227.5 151.2 109.1 73.7 42.7 21.6 9.1 4.3 3.8 3.5 1.4 1.4 0.8
40.0 94.5 96.4 105.3 129.5 192.2 253.4 321.8 365.3 258.4 157.2 111.3 74.3 42.6 19.1 6.6 4.6 3.3 3.1 1.6 1.0 0.3
42.5 91.3 94.8 100.3 125.8 192.3 299.0 424.2 384.4 247.2 167.3 121.2 74.1 41.4 18.5 8.3 3.8 2.7 2.6 1.2 0.6 0.3
45.0 96.2 90.8 95.3 107.6 170.2 359.8 458.8 385.1 282.2 215.4 162.2 85.3 50.5 20.1 6.6 5.6 4.0 3.5 1.6 0.6 0.8
47.5 92.4 86.2 91.3 101.8 158.0 358.4 436.7 398.6 342.7 267.8 198.0 120.3 47.8 16.2 7.8 5.6 4.3 3.3 1.7 1.4 1.2
50.0 84.9 82.0 85.1 97.0 151.2 314.0 402.8 394.4 353.8 279.6 193.4 109.8 48.1 17.8 6.0 6.0 7.0 3.8 1.2 1.8 1.2
52.5 80.8 78.4 81.0 98.3 149.5 305.1 361.8 388.8 359.4 237.8 150.1 94.6 48.4 15.0 7.0 7.0 4.6 4.2 2.4 1.4 2.0
55.0 73.3 76.0 74.3 103.5 141.3 258.0 367.8 426.0 319.0 192.6 132.8 87.3 44.8 15.3 8.1 7.7 6.0 4.2 1.4 1.2 0.8
57.5 66.2 66.0 68.0 88.3 121.2 227.3 414.2 489.6 364.3 225.1 153.3 102.3 55.3 13.1 9.1 9.9 4.8 2.9 0.3 0.8 1.2
60.0 57.8 59.5 61.7 79.8 109.9 235.1 429.2 590.2 520.2 334.4 222.2 155.3 54.4 13.3 9.5 10.6 4.6 2.0 0.6 0.4 0.0
62.5 51.2 52.4 55.6 70.1 108.3 260.3 518.4 687.7 614.0 375.0 254.4 189.3 48.8 16.3 11.6 9.9 4.6 1.4 0.6 0.2 1.2
65.0 43.3 43.6 47.7 60.8 107.8 323.3 589.8 592.6 475.2 262.3 235.9 171.9 39.7 18.3 11.0 9.5 4.0 0.8 0.2 0.8 0.8
67.5 30.8 33.9 38.8 52.7 97.2 276.3 410.8 381.5 305.9 176.1 168.4 99.3 31.2 19.2 10.3 8.3 4.3 1.3 1.0 1.0 1.2
70.0 21.3 22.8 30.0 42.0 84.9 202.7 292.3 225.7 171.8 101.6 114.1 55.9 22.9 11.3 7.9 7.0 2.4 0.6 1.0 0.2 1.2
72.5 11.3 11.4 13.3 24.7 59.9 173.7 167.2 92.8 59.5 25.8 24.9 23.8 11.9 7.9 5.8 3.1 1.6 0.4 1.0 1.7 1.2
75.0 1.2 1.8 1.0 2.8 25.2 69.5 45.2 19.7 12.7 9.8 8.9 7.0 5.0 5.0 6.0 2.5 2.8 1.3 1.4 1.4 1.2
77.5 0.3 0.0 0.0 0.0 1.8 8.3 5.6 3.3 2.9 2.4 2.6 2.6 1.6 1.7 0.8 0.6 1.4 0.4 2.3 1.0 0.3
80.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.8 0.0 0.0 0.0 0.2 0.6 0.0 0.0 0.0 0.4 0.0 0.0 0.0 0.0
82.5 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
85.0 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
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.)