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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]ITL44147
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] 7200 250S 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 250-WATT CLEAR E-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [OTHER]THE ARC TUBE VOLTAGE RISE= 5.3
# [OTHER]Version: 03/01/1999 - 12:00:00
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1, 30000 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: 250 W
# Source file: Hydrel\7200\ITL44147.ies
# Luminaire flux = 20843 lm,
# 69.5 % 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 1.8 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:
0.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0 244.0
2.5 239.0 239.0 238.3 239.6 239.9 240.2 241.7 243.5 242.9 244.1 244.4 244.4 244.7 246.6 246.9 247.2 247.2 246.0 246.0 245.4 245.1
5.0 231.0 229.5 231.0 231.3 232.6 234.7 237.4 236.8 239.0 241.7 242.0 242.0 242.0 242.0 242.3 242.0 242.0 239.9 240.2 239.0 240.2
7.5 218.2 217.6 219.1 224.0 225.9 228.6 233.8 236.2 237.4 236.5 236.5 236.8 239.0 239.6 240.2 239.6 236.2 235.3 232.3 230.7 232.3
10.0 202.4 201.8 205.4 212.4 221.9 228.6 233.2 234.1 234.4 232.9 233.8 233.2 232.6 234.7 235.0 234.1 231.9 226.8 221.6 217.0 218.2
12.5 187.8 184.7 190.2 200.6 216.7 226.2 233.5 232.6 229.2 227.1 225.5 225.9 226.5 230.1 233.8 231.9 225.5 218.5 207.3 201.5 199.9
15.0 168.2 168.2 177.1 191.7 210.3 228.3 233.5 228.9 223.1 216.4 215.8 215.5 217.9 223.1 230.4 231.0 222.8 208.2 193.2 183.5 182.3
17.5 162.2 161.2 166.7 182.6 205.7 226.2 231.9 225.5 215.5 209.1 207.0 207.0 208.8 216.4 227.4 229.5 221.6 201.2 181.7 168.6 165.2
20.0 149.3 150.9 160.3 175.9 199.0 216.7 225.2 219.5 208.2 200.2 199.3 199.6 203.0 211.8 222.5 224.9 213.1 192.0 171.3 157.0 155.4
22.5 145.1 145.4 153.6 169.8 188.7 207.3 220.1 212.7 201.5 196.3 196.0 196.6 198.7 205.4 213.4 210.6 200.9 181.4 160.6 152.4 151.8
25.0 141.4 140.5 148.4 165.5 188.4 215.8 228.9 217.0 199.9 192.6 192.6 192.3 193.8 203.0 210.9 205.7 188.4 171.3 153.0 140.2 140.2
27.5 132.9 132.6 145.4 165.2 200.6 228.3 231.6 211.2 190.8 184.1 183.5 182.6 184.7 204.2 228.9 236.8 199.3 165.8 147.5 129.8 128.0
30.0 131.1 128.6 141.7 175.0 215.5 269.1 241.7 207.6 176.8 168.2 167.3 167.3 175.6 210.9 252.1 266.4 239.6 174.6 148.4 124.7 120.1
32.5 121.3 127.1 141.4 183.2 270.7 295.0 245.7 199.6 160.9 153.9 157.6 157.6 176.5 228.3 272.5 305.4 264.6 209.4 146.3 120.1 113.4
35.0 117.7 120.7 149.3 208.2 292.0 283.8 236.2 186.8 164.9 182.6 186.5 183.8 185.9 215.8 263.6 291.4 297.2 218.2 151.2 119.8 109.1
37.5 120.7 118.3 146.6 236.8 269.4 266.7 211.2 175.6 176.5 188.4 190.8 186.2 170.7 200.9 231.3 269.7 268.2 228.0 170.1 112.2 109.1
40.0 111.6 115.5 152.4 210.3 239.9 230.1 169.5 152.1 158.8 183.2 186.5 189.3 180.7 164.3 190.2 233.8 229.8 223.7 163.4 106.4 104.8
42.5 113.4 110.0 153.0 182.0 224.0 205.7 175.3 135.6 146.6 169.5 174.3 171.9 158.8 158.2 173.7 209.7 207.9 187.8 145.4 101.2 98.8
45.0 109.1 96.9 128.6 172.2 208.8 209.1 178.3 131.7 142.3 143.3 144.5 149.3 159.4 138.4 185.6 232.6 221.6 163.1 130.1 99.4 93.3
47.5 96.9 86.3 107.3 161.8 246.0 285.6 200.6 131.1 113.1 117.0 120.7 116.7 116.1 141.1 205.1 257.2 242.0 173.7 116.4 88.7 85.3
50.0 79.9 78.9 94.8 153.3 270.4 313.9 219.1 135.3 110.6 116.1 118.3 114.6 110.3 141.4 225.5 285.9 286.5 174.0 97.8 79.2 79.2
52.5 68.3 69.2 82.6 146.3 250.8 310.3 225.2 138.7 122.8 157.0 161.5 152.1 116.7 143.3 249.0 314.9 302.1 178.9 86.9 71.3 70.1
55.0 59.1 61.3 73.2 130.8 246.9 328.6 232.9 144.2 168.2 201.8 210.6 202.1 158.2 134.7 231.0 308.5 280.4 170.4 81.1 65.2 62.8
57.5 52.4 57.0 64.3 118.9 252.1 294.4 185.3 139.0 155.4 193.2 200.6 198.1 169.5 147.8 205.4 286.2 248.4 144.8 89.3 61.9 56.7
60.0 48.2 54.9 58.8 112.2 214.6 223.4 163.7 124.1 158.2 204.2 211.2 202.7 157.6 131.7 184.7 255.1 221.0 121.0 80.2 55.5 51.2
62.5 42.1 48.2 52.4 100.3 161.5 216.7 164.6 119.8 165.5 214.0 225.2 219.5 162.5 112.2 153.3 227.4 197.5 100.6 70.1 47.5 44.5
65.0 34.7 38.7 44.2 69.2 135.9 172.5 136.9 107.6 121.6 138.7 141.4 135.6 132.9 110.0 138.4 186.8 148.1 82.3 60.3 40.2 37.2
67.5 28.7 30.5 36.9 51.2 92.0 122.2 105.2 57.0 58.8 83.2 87.8 78.0 52.4 58.2 108.2 147.2 114.6 68.3 52.4 32.6 29.9
70.0 21.9 23.8 29.6 39.6 61.0 71.9 32.3 15.8 38.1 53.0 51.5 49.7 36.9 15.8 30.2 78.0 84.1 54.3 38.1 24.7 22.6
72.5 12.8 13.4 18.6 25.9 32.9 21.0 6.1 8.5 16.8 28.7 30.8 29.9 22.9 12.8 7.0 21.6 38.4 33.5 23.5 15.8 15.8
75.0 3.7 4.9 6.4 7.6 9.1 4.3 4.0 3.4 7.6 9.8 11.3 9.8 6.4 5.2 4.0 4.3 10.7 11.3 7.9 5.5 5.5
77.5 1.2 1.2 1.5 1.8 2.7 2.1 2.1 1.8 2.4 2.7 2.7 2.7 2.1 2.1 2.1 2.1 2.4 2.7 2.1 1.8 2.4
80.0 0.6 0.6 1.2 0.9 1.2 1.2 1.2 1.2 1.5 1.8 1.8 1.8 1.5 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2
82.5 0.6 0.6 0.6 0.6 0.9 0.9 0.6 0.9 0.9 0.9 1.2 1.2 0.9 0.9 0.6 0.6 1.5 0.9 0.9 0.6 0.6
85.0 0.6 0.6 0.0 0.3 0.6 1.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.9 0.9 0.6 0.6 0.6 0.3 0.0
87.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.0 0.0 0.0 0.0 0.0 0.3 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.)