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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]09/07/95
# [TEST]ITL44143
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] 7200 250S DFW
# [LUMINAIRE] FLOODLIGHT (DOWNLIGHTS) DOWN FORWARD WIDE.
# [MORE]CAST METAL HOUSING, BLACK PAINTED GENERAL INTERIOR FINISH,
# [MORE]FABRICATED ELLIPTICAL 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= 6.0
# [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: 38 vertical, 22 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\ITL44143.ies
# Luminaire flux = 19874 lm,
# 66.2 % of the bulb flux
# between 75 and 90: 0.9 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 2.8 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 56.1 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:
0.0 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7 173.7
2.5 173.7 173.4 174.3 174.6 176.8 176.8 176.5 174.3 177.1 177.1 177.1 177.4 177.1 176.8 176.5 175.9 175.0 174.3 174.0 173.1 171.2 171.8
5.0 176.2 175.6 176.8 178.7 180.6 182.8 181.5 179.3 181.8 182.1 181.5 181.5 181.2 179.3 177.4 175.9 175.0 175.0 174.6 173.4 171.2 170.6
7.5 178.1 176.8 179.9 182.8 185.3 188.7 190.6 189.9 192.4 192.4 191.2 189.6 188.7 186.2 183.1 179.3 176.2 174.0 172.1 171.8 168.7 168.7
10.0 178.7 176.8 181.2 184.6 189.9 197.1 201.8 199.6 203.4 203.1 200.3 199.0 196.8 191.8 186.5 181.5 177.4 174.3 170.6 168.7 165.0 165.0
12.5 175.0 174.0 178.1 185.3 195.6 203.1 207.8 207.1 211.5 211.5 206.8 203.7 200.6 194.3 187.8 181.5 176.2 171.2 167.8 164.0 161.8 160.0
15.0 170.0 169.0 174.0 184.0 197.8 210.3 220.9 219.9 220.9 218.4 210.6 206.8 202.1 194.0 185.9 178.7 173.4 168.1 163.7 157.8 154.6 153.1
17.5 165.0 164.3 170.3 185.6 203.1 219.6 235.9 236.5 242.7 234.9 218.4 209.9 201.8 191.5 182.8 176.5 170.3 164.3 159.0 153.1 148.7 148.1
20.0 158.7 158.4 166.8 188.4 212.8 238.7 271.5 274.6 278.0 259.9 230.2 216.5 204.3 189.3 181.5 175.0 168.7 162.1 155.6 148.7 143.1 143.1
22.5 153.1 153.4 165.9 191.5 227.7 292.1 316.8 308.4 305.2 278.7 241.5 223.1 205.6 185.3 178.4 173.4 168.1 160.9 153.1 145.0 137.8 137.5
25.0 149.3 149.3 170.6 202.8 271.5 332.1 337.7 332.7 323.3 288.4 246.8 227.1 209.0 181.5 175.3 171.8 166.8 159.3 149.6 140.0 132.5 131.2
27.5 143.7 144.3 169.3 213.7 315.5 344.6 358.0 351.5 335.5 292.7 241.8 219.0 197.1 174.3 170.0 168.1 163.1 155.9 145.0 133.7 125.0 124.3
30.0 136.2 139.3 165.6 242.7 327.7 357.4 369.9 364.0 344.6 296.2 234.9 207.8 184.3 159.6 160.3 160.6 157.1 149.6 137.8 126.2 116.8 116.2
32.5 131.2 133.1 165.0 269.9 329.9 381.8 374.6 368.6 332.4 258.1 201.5 179.3 161.2 144.0 146.5 149.6 147.8 141.2 129.7 118.4 109.0 107.5
35.0 123.7 127.8 163.7 276.5 339.9 382.4 367.1 349.0 283.7 203.7 162.8 151.2 139.6 129.3 132.2 135.0 135.9 131.2 120.6 109.7 100.9 100.0
37.5 117.5 120.6 166.8 275.9 361.8 384.0 323.7 304.0 225.6 170.6 146.8 141.5 131.8 116.8 119.3 121.8 123.1 120.0 111.8 101.5 93.1 91.8
40.0 111.2 113.7 165.0 276.5 364.6 359.9 282.4 267.4 210.6 177.8 154.3 137.8 124.3 110.0 109.3 110.3 111.2 110.0 103.7 94.7 86.9 86.2
42.5 105.6 108.7 156.5 260.6 347.7 324.0 252.4 246.5 249.0 219.0 152.1 127.2 113.7 107.2 103.7 102.2 100.9 101.2 97.2 88.7 81.5 80.6
45.0 100.6 101.8 142.1 235.2 312.1 263.7 278.4 287.7 306.8 234.6 143.4 120.9 111.2 106.5 101.2 97.2 94.0 93.4 91.8 83.4 76.9 75.6
47.5 93.7 95.0 125.0 204.3 253.1 252.4 331.5 339.9 356.5 246.2 139.6 117.2 110.9 105.9 100.3 94.3 90.0 87.2 86.9 79.0 72.2 71.2
50.0 86.2 87.8 114.7 168.1 192.8 246.2 389.3 400.5 407.4 251.8 139.3 116.2 110.3 105.3 100.3 92.8 86.5 82.5 81.5 75.0 67.8 66.9
52.5 80.0 80.9 100.6 131.5 156.8 257.1 425.2 446.4 424.9 255.9 147.1 124.7 111.8 104.0 99.3 91.5 84.0 78.4 75.9 70.0 63.4 61.9
55.0 74.4 75.3 86.5 99.0 136.8 267.7 436.4 434.3 386.8 226.5 142.1 120.9 110.9 103.7 98.1 91.5 82.2 74.7 70.6 65.3 59.0 57.5
57.5 67.5 68.4 77.8 84.4 127.5 275.2 452.7 455.5 328.7 206.2 143.7 121.5 109.3 100.3 95.3 90.3 80.3 70.9 65.0 59.4 54.0 51.9
58.0 65.6 66.5 75.3 81.9 125.0 271.5 447.7 444.9 314.3 204.9 144.3 120.6 108.4 99.0 93.7 89.0 79.4 69.4 63.4 57.5 52.2 50.6
60.0 59.4 59.7 69.7 75.9 119.3 265.9 370.8 359.3 277.4 209.9 146.5 124.7 106.2 96.8 90.9 86.9 77.5 66.2 58.4 52.5 47.5 46.2
62.5 50.0 51.9 62.5 69.7 104.0 251.2 283.4 280.5 271.2 217.1 142.8 114.3 100.3 93.1 87.8 82.5 74.4 62.5 52.5 46.2 42.2 40.6
65.0 42.5 44.4 55.9 61.9 91.2 176.2 236.2 239.9 270.2 211.8 127.5 104.0 92.8 89.7 84.4 79.0 70.9 58.7 47.8 40.9 37.5 36.2
67.5 34.4 36.9 47.8 53.1 75.0 142.1 217.4 225.2 245.6 154.6 60.9 38.1 33.7 49.7 73.7 73.7 65.3 52.5 41.9 33.7 30.0 29.4
70.0 26.2 28.4 38.7 45.0 62.5 113.7 174.0 171.2 144.0 84.0 23.7 9.1 6.9 7.2 16.6 55.6 58.7 45.6 32.5 24.1 20.6 20.0
72.5 18.7 20.9 29.1 39.1 51.2 72.2 85.3 89.7 98.4 58.4 12.8 7.5 6.6 6.2 5.6 8.7 37.5 31.6 18.1 12.8 11.6 11.2
75.0 13.1 14.4 22.2 31.9 40.6 17.2 50.0 53.7 78.7 33.4 7.8 5.9 4.7 4.1 4.4 5.0 4.7 10.6 5.9 5.9 5.0 5.0
77.5 5.6 8.1 11.2 17.8 6.2 5.0 20.6 23.4 32.8 11.6 5.3 4.1 3.1 2.8 3.1 3.7 3.7 3.7 4.4 4.7 3.7 3.7
80.0 1.9 1.9 2.8 1.9 0.9 0.9 1.9 1.9 2.8 2.2 1.2 1.2 1.2 0.9 1.2 1.6 1.9 1.9 1.9 2.5 1.9 1.9
82.5 0.6 0.6 0.9 0.3 0.0 0.3 0.6 0.3 1.2 1.2 0.6 0.6 0.6 0.6 0.6 0.3 0.6 0.6 0.6 0.9 0.6 0.6
85.0 0.6 0.6 0.6 0.6 0.6 0.9 1.9 1.2 2.5 1.6 0.9 1.2 1.2 0.9 0.9 0.9 0.6 0.6 0.6 0.3 0.6 0.6
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 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 0.0
(A similar table including even some other results can be computed at producer's website.)