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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
# [DATE]09/08/95
# [TEST]ITL44148
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] 7200 400S DS
# [LUMINAIRE] FLOODLIGHT (DOWNLIGHTS) DOWN SYMETRICAL.
# [MORE]CAST METAL HOUSING, BLACK PAINTED GENERAL INTERIOR FINISH,
# [MORE]FABRICATED CIRCULAR SPECULAR METAL REFLECTOR WITH SPECULAR
# [MORE]PEENED METAL BACKING, CLEAR FLAT GLASS ENCLOSURE WITH CAST
# [MORE]METAL DOOR FRAME.
# [LAMP]ONE 400-WATT CLEAR E-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [OTHER]THE ARC TUBE VOLTAGE RISE= 5.8
# [OTHER]Version: 03/01/1999 - 12:00:00
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 50000 lm each
# Number of measured angles: 37 vertical, 21 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.365 0.917 0.000
# Ballast factor: 1, Input power: 400 W
# Source file: Hydrel\7200\ITL44148.ies
# Luminaire flux = 34855 lm,
# 69.7 % of the bulb flux
# between 75 and 90: 0.3 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 1.6 cd/1000lm , 0.1 % 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:
0.0 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5 244.5
2.5 241.3 241.4 241.6 241.4 240.7 240.5 241.3 242.5 243.2 244.0 244.3 244.5 245.2 246.3 246.6 246.1 246.3 245.6 245.4 245.0 244.1
5.0 231.6 232.5 232.8 233.0 232.7 234.5 237.1 238.4 240.5 241.8 242.2 242.5 241.8 241.3 242.0 241.4 240.5 239.7 238.6 238.0 238.4
7.5 219.8 219.9 221.2 224.6 226.9 229.8 233.9 236.4 237.7 237.5 238.4 238.2 240.2 239.3 239.7 237.9 234.6 232.7 229.3 227.3 229.1
10.0 204.0 203.6 206.9 215.1 223.5 228.5 232.7 234.3 235.4 235.5 236.1 236.1 234.8 235.4 235.4 233.4 229.8 223.5 216.9 212.9 212.9
12.5 190.4 190.4 193.0 203.6 216.9 227.3 233.2 232.3 230.3 229.8 228.9 229.4 229.3 232.3 234.1 230.9 223.5 215.6 204.0 197.5 197.9
15.0 173.9 173.9 179.8 193.9 211.7 228.4 233.7 230.2 224.8 219.2 218.5 219.2 221.2 225.3 230.7 230.2 221.0 205.6 190.9 180.3 177.1
17.5 163.5 163.7 169.4 185.9 207.2 226.6 233.9 229.1 218.5 211.7 210.6 210.3 212.6 219.6 228.9 230.5 221.2 200.6 180.5 165.4 162.0
20.0 151.3 152.2 162.4 179.1 200.8 221.4 231.9 224.8 210.8 201.8 200.2 200.8 204.7 213.1 224.4 226.4 213.8 192.3 169.2 153.1 150.6
22.5 145.9 147.3 155.8 173.3 195.6 225.7 240.7 233.7 211.7 198.4 196.5 196.5 199.9 207.9 218.0 215.6 203.1 181.2 158.5 146.4 145.9
25.0 141.2 141.6 149.7 168.7 203.1 232.7 246.6 232.1 208.5 196.8 194.5 193.9 198.4 214.2 230.2 222.1 192.0 170.5 150.0 135.0 134.4
27.5 132.6 133.5 146.6 176.2 212.0 249.3 257.2 229.3 204.3 188.4 186.6 186.6 192.3 220.7 248.3 249.5 218.7 164.7 146.1 127.3 121.5
30.0 132.6 129.8 145.5 184.8 233.4 286.8 258.8 223.7 190.0 174.8 173.7 174.6 193.2 235.5 275.0 278.7 243.1 183.0 145.5 121.9 114.4
32.5 122.6 127.6 150.7 196.5 276.9 277.7 249.3 211.0 173.2 173.2 175.8 177.8 201.1 237.0 279.1 298.3 268.3 214.9 145.2 118.1 107.5
35.0 117.9 122.6 154.7 230.0 278.7 259.2 229.1 191.4 182.5 185.2 185.9 185.7 198.2 230.9 256.3 275.1 287.0 223.7 161.7 117.0 108.3
37.5 115.4 117.2 152.7 242.0 251.1 236.1 194.8 178.7 171.9 179.2 180.0 180.5 179.2 194.1 230.9 246.8 251.8 239.7 175.8 109.2 105.0
40.0 105.0 112.9 166.3 219.4 226.7 211.0 169.2 159.7 163.5 172.8 172.8 172.6 178.4 168.1 178.4 219.2 225.1 223.7 167.2 102.9 97.9
42.5 97.9 106.3 166.0 190.4 214.2 198.2 185.9 146.3 152.9 164.5 166.7 165.1 157.9 166.0 171.5 208.8 215.3 193.8 161.7 106.1 91.8
45.0 91.1 95.0 140.0 185.7 220.3 228.5 186.6 143.0 145.9 133.7 133.5 135.3 145.5 156.3 194.1 227.8 236.6 189.6 148.6 104.7 87.5
47.5 85.3 88.7 120.6 183.4 261.0 298.1 211.7 145.2 114.4 116.0 118.5 115.6 112.9 153.1 209.7 264.9 244.1 200.9 128.9 90.0 86.0
50.0 79.6 81.9 105.8 175.7 275.9 292.2 223.9 144.1 112.4 120.1 121.5 117.8 110.2 145.5 221.9 285.2 292.4 202.7 109.3 79.9 77.4
52.5 70.6 73.0 93.7 168.5 252.4 302.4 228.0 148.4 137.8 170.1 172.1 162.9 128.3 148.8 236.1 296.7 295.4 207.6 93.4 68.8 65.6
55.0 62.4 63.8 83.0 148.4 252.7 307.4 213.8 155.9 162.2 194.8 202.7 200.0 160.6 144.1 214.6 286.8 275.1 185.7 91.4 60.8 57.4
57.5 55.2 58.8 71.3 137.8 248.1 252.7 176.4 142.0 153.6 186.8 197.5 193.6 164.2 159.9 193.0 258.1 247.0 162.0 92.1 55.7 50.2
60.0 49.1 53.6 60.6 130.1 201.1 206.9 166.0 131.4 155.6 197.7 209.2 197.9 156.1 133.9 174.2 234.3 218.9 144.1 83.2 48.4 43.7
62.5 43.4 44.6 51.3 114.4 157.9 197.4 162.8 130.7 167.8 204.9 218.5 211.7 163.7 118.5 149.0 199.7 182.7 122.6 70.4 40.0 35.8
65.0 37.3 37.5 42.5 78.0 127.8 153.3 133.5 114.0 111.3 118.8 126.4 122.2 120.1 119.9 132.3 167.6 138.9 92.8 59.0 33.0 29.4
67.5 31.5 31.2 37.8 55.9 92.1 109.0 100.4 48.9 54.1 76.2 83.7 72.8 49.3 50.2 95.7 121.3 108.8 76.2 48.2 25.1 22.2
70.0 21.9 21.3 28.0 41.0 53.1 58.1 21.5 22.4 29.4 40.5 48.9 41.6 32.1 19.2 18.8 63.3 65.2 56.3 35.0 18.3 16.1
72.5 11.8 12.4 16.3 24.0 27.6 14.0 5.7 8.8 15.6 26.3 31.0 30.8 21.7 13.8 6.3 12.0 28.7 26.9 20.4 12.7 11.1
75.0 3.6 4.7 5.7 7.2 7.7 3.6 3.0 3.2 6.5 8.2 8.2 7.9 5.0 4.7 3.6 3.4 6.8 8.8 7.3 5.9 5.4
77.5 1.1 1.1 1.3 1.6 2.0 1.8 1.6 1.4 2.0 2.3 2.3 2.3 2.0 1.6 1.8 2.0 2.2 2.2 1.8 1.8 2.2
80.0 0.4 0.7 0.7 0.7 1.1 1.1 0.9 1.1 1.3 1.6 1.6 1.4 1.3 1.1 1.1 0.9 1.3 1.3 1.1 0.7 0.7
82.5 0.4 0.4 0.4 0.4 0.7 0.5 0.7 0.7 0.7 0.9 0.9 0.9 0.9 0.7 0.7 0.7 1.3 0.7 0.5 0.4 0.4
85.0 0.0 0.4 0.2 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
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 0.2 0.0 0.0 0.0 0.2 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.)