Illuminance plots

produced from photometry file Lithonia_Lighting-Outdoor-Area-KSF-Ltl8505.ies

spacing 5 plot single luminaire plot
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.

illuminance scale

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.

ies2tab text output:

   
       
# IESNA91
# [TEST] LTL8505
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KSF2 250S R4W
# [LUMINAIRE] ARM MOUNTED PREMIUM CUTOFF W/R4W REFL, CLEAR GLASS FLAT LENS.
# [LAMPCAT] LU250
# [LAMP] ONE 250-WATT CLEAR ET-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1,  29000 lm each
# Number of measured angles:  37 vertical,  37 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous opening width, length and height:   1.330   1.330   0.000
# Ballast factor: 1,  Input power:  310 W


# Source file: Lithonia_Lighting\Outdoor\Area\KSF\Ltl8505.ies
# Luminaire flux = 22087 lm,
#                   76.2 % of the bulb flux
# between 75 and 90:  4.0 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  33.3 cd/1000lm ,  0.5 % 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  10.0  15.0  20.0  25.0  30.0  35.0  40.0  45.0  50.0  55.0  60.0  65.0  70.0  75.0  80.0  85.0  90.0  95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 170.0 175.0 180.0
#V:  
  0.0  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3  96.3
  2.5  97.4  97.3  97.1  96.9  97.1  97.4  97.6  97.6  97.7  98.0  98.0  98.0  97.8  97.8  97.8  98.6  98.7  98.7  98.7  97.7  97.4  97.1  97.3  97.7  97.9  97.9  97.9  97.9  97.9  97.2  97.1  97.3  97.0  96.7  96.9  96.9  96.7
  5.0  98.8  98.5  98.3  98.3  98.8  99.9  99.9 100.0 100.1 100.5 101.0 101.4 101.2 101.6 101.7 102.7 102.9 102.6 103.6 101.2 100.8 100.9 101.2 101.6 101.5 101.2 101.0 100.5 100.1  99.1  98.8  98.2  98.0  97.6  97.3  97.3  97.2
  7.5  99.3  99.3  99.8 100.2 100.7 101.3 102.4 103.7 104.6 105.8 106.2 107.0 107.6 107.6 107.4 108.0 107.6 107.6 109.9 107.3 107.0 107.3 107.6 107.3 106.7 106.3 105.8 105.3 104.4 102.7 101.6 100.8  99.8  99.1  98.7  98.5  98.1
 10.0 101.1 101.3 101.9 102.5 103.9 106.1 107.5 109.1 110.7 112.6 112.7 113.1 113.1 112.8 112.6 112.6 112.7 112.4 111.4 110.6 111.3 111.4 111.0 110.5 110.0 109.4 108.7 107.8 106.9 105.2 103.8 102.5 101.0  99.8  98.7  97.9  97.6
 12.5 100.4 101.4 103.0 104.7 106.9 108.8 111.7 114.4 115.0 115.9 116.6 117.4 117.9 118.3 118.6 120.2 120.1 120.0 116.6 117.4 117.2 116.4 116.1 115.8 114.5 113.3 112.7 111.7 110.8 108.9 107.1 105.6 103.3 101.1  99.7  98.7  98.2
 15.0 100.0 101.8 103.7 105.3 107.3 111.6 116.1 118.0 119.3 121.7 123.5 126.5 129.3 131.1 129.6 127.1 124.7 123.0 121.9 126.6 127.3 126.2 123.9 122.5 121.0 119.9 119.5 118.9 117.3 115.1 113.3 111.3 108.0 105.6 103.5 102.0 101.5
 17.5  99.6 101.4 102.7 104.6 108.4 114.7 117.9 119.0 123.0 127.1 133.2 136.7 134.0 131.1 130.1 129.6 128.3 126.8 128.8 131.3 130.1 128.6 127.8 127.7 126.6 125.0 123.8 123.0 121.4 119.0 116.6 114.5 111.1 108.0 105.4 103.7 103.0
 20.0  98.8 100.7 101.0 104.0 110.3 117.0 119.6 124.3 127.0 135.6 136.9 137.1 137.6 135.7 133.3 132.2 131.3 130.0 135.2 135.6 133.8 132.6 133.3 133.5 134.1 132.0 129.8 127.6 126.6 121.9 119.4 117.1 113.9 110.2 107.3 105.3 104.7
 22.5  97.0  99.0  99.7 103.9 112.9 119.4 122.0 124.6 133.7 137.5 138.4 140.3 144.2 144.7 141.7 138.8 135.3 133.9 139.3 137.3 135.2 135.2 136.1 134.9 135.3 137.6 134.9 132.4 129.8 125.4 122.1 119.8 116.4 112.8 109.0 106.7 105.6
 25.0  95.8  97.7  98.8 104.6 114.7 118.4 119.7 128.6 135.7 136.6 141.6 149.6 154.2 152.8 148.3 143.5 140.7 137.9 141.1 139.9 138.8 137.5 136.4 135.3 134.7 138.2 136.6 135.2 133.2 128.4 124.3 121.9 118.3 114.6 110.5 107.7 106.7
 27.5  95.2  96.1  97.8 108.4 116.7 115.5 121.9 130.3 131.7 139.5 152.5 157.5 159.6 153.7 150.8 150.3 152.3 150.3 150.8 150.0 146.4 143.4 141.8 138.3 136.7 136.0 137.8 134.9 133.9 131.0 127.1 124.0 120.4 116.3 112.1 108.9 107.4
 30.0  93.2  94.1 102.2 107.8 113.1 116.7 123.6 128.7 135.7 148.2 152.5 152.6 154.6 167.2 170.6 173.7 176.2 174.2 173.8 170.7 163.5 157.0 151.1 147.2 141.2 137.4 136.2 135.4 134.7 133.1 129.8 126.2 122.1 117.8 113.5 110.0 108.3
 32.5  92.1  95.2  98.7 105.9 112.2 117.0 124.4 131.0 143.1 142.8 144.4 156.7 178.3 202.0 216.6 220.1 211.6 201.2 198.4 198.7 190.4 181.3 170.4 158.7 147.5 139.4 136.4 135.7 135.5 134.1 132.0 128.7 124.1 119.3 114.5 110.6 109.1
 35.0  95.1  95.6  96.4 110.2 117.3 120.1 125.2 135.0 134.7 137.3 161.3 189.5 218.0 226.8 218.2 208.1 198.2 188.8 185.4 182.1 174.0 168.3 161.6 154.4 146.3 140.1 137.4 136.9 136.2 134.6 133.2 129.5 124.5 119.5 114.6 110.6 109.0
 37.5  94.3  95.6  98.7 115.7 127.5 124.9 130.1 130.7 131.4 159.7 198.4 227.8 231.0 213.3 201.3 195.7 188.0 180.1 179.9 177.0 169.8 161.3 152.4 144.0 139.3 136.8 137.2 137.1 135.7 134.2 133.5 129.5 124.0 119.1 114.2 109.2 107.5
 40.0  95.4 102.0 110.6 123.3 127.3 125.3 129.1 128.2 142.7 187.1 229.1 241.2 218.2 205.9 200.6 198.4 193.8 185.3 182.2 178.3 169.3 158.2 148.3 140.5 137.2 136.3 139.2 138.6 135.7 132.2 131.3 128.6 123.2 117.9 112.1 107.0 105.2
 42.5 102.6 100.4 101.1 119.6 124.7 129.5 125.6 129.4 165.2 214.2 236.7 229.8 216.2 217.8 220.2 217.7 208.4 189.7 182.4 179.9 172.5 162.7 151.2 140.1 135.8 133.7 137.2 137.3 134.7 130.5 128.0 126.3 121.9 116.3 110.0 104.3 102.6
 45.0  90.9  92.4 103.9 121.6 127.2 127.5 122.4 145.7 181.3 217.7 240.6 231.8 229.8 224.5 223.6 228.1 198.8 173.3 162.6 164.7 161.7 154.2 142.1 135.9 132.2 131.4 135.6 136.3 134.4 128.6 125.8 123.8 120.7 114.9 108.0 102.0 100.1
 47.5  85.9  97.1 132.8 177.0 154.2 128.0 124.1 150.2 201.3 244.8 245.2 235.4 227.8 239.9 231.3 198.3 167.6 155.7 150.2 158.6 150.1 148.0 143.6 139.6 131.6 131.6 133.0 132.3 131.6 128.0 122.8 121.0 118.3 112.9 105.9  99.3  97.6
 50.0  89.1 129.5 146.1 148.7 133.0 122.1 123.1 162.1 192.0 226.4 218.7 208.2 238.0 227.4 224.0 219.0 212.4 195.2 192.7 177.8 167.5 158.4 150.0 138.1 131.1 134.4 136.4 130.4 126.5 126.2 120.3 117.7 115.4 110.5 103.0  95.7  93.8
 52.5 103.5 109.7 121.3 150.1 140.0 122.3 135.2 151.0 200.7 201.4 195.3 213.7 234.3 264.5 312.2 306.9 266.4 245.5 238.5 216.8 204.8 189.0 155.3 133.8 129.1 130.8 132.0 127.7 123.2 123.1 118.7 114.6 111.2 107.2 100.1  91.2  89.1
 55.0 100.7 101.9 117.8 149.1 140.9 125.4 144.4 185.3 231.5 252.7 271.9 273.9 309.0 359.1 358.1 335.6 303.3 280.0 250.8 252.6 212.3 178.4 138.8 126.9 126.2 131.9 127.1 124.7 120.0 118.1 116.8 111.7 105.7 102.1  95.7  86.2  84.3
 57.5  99.7 116.2 168.7 183.1 154.2 159.0 175.0 204.7 262.7 271.9 275.6 280.7 324.4 322.8 325.3 362.9 306.3 227.4 214.9 209.7 202.0 173.6 150.5 127.3 123.8 129.9 128.4 117.2 112.8 112.6 112.1 107.8  99.6  96.0  89.7  80.4  78.1
 60.0 130.7 142.6 176.1 194.3 197.3 179.2 164.8 217.8 246.2 250.6 228.8 218.2 253.2 291.2 287.4 256.8 228.5 191.0 179.4 192.1 199.0 193.7 150.8 122.4 119.3 129.7 125.6 115.5 107.9 103.3 103.9 100.1  92.8  89.0  82.2  74.2  71.6
 62.5 193.9 192.6 188.8 206.7 191.8 163.0 180.4 239.8 288.0 269.4 219.5 207.0 228.6 259.2 318.7 313.7 288.4 271.4 270.2 272.9 227.3 173.3 129.2 113.8 114.0 111.8 118.1 111.0 105.3  97.6  95.5  91.6  85.8  83.1  78.6  69.5  66.1
 65.0 285.7 244.9 229.4 216.0 211.8 229.2 250.8 296.5 314.3 293.7 245.2 232.8 264.6 297.9 302.7 295.9 300.9 244.3 220.3 212.1 195.7 150.6 121.0 107.8 105.1  99.6  96.4 100.7  99.2  91.5  85.6  81.2  77.2  76.8  72.4  66.3  62.1
 67.5 345.5 322.0 279.7 269.3 294.4 312.3 307.7 330.1 344.0 331.1 291.0 245.2 234.0 246.7 240.0 225.3 226.2 200.0 157.2 173.7 158.5 124.1 107.4  97.7  93.1  86.3  83.0  88.7  93.3  86.1  78.7  71.7  67.8  71.6  67.7  60.2  58.0
 70.0 341.4 370.4 342.6 302.7 292.6 280.0 278.3 324.8 367.5 384.6 335.1 251.1 229.0 235.3 227.1 218.7 201.2 180.3 161.7 179.0 145.0 101.0  84.0  79.7  73.5  64.6  63.7  70.4  81.1  79.8  74.4  65.5  56.1  60.2  61.3  53.5  55.0
 72.5 235.2 250.6 262.6 231.0 215.5 230.1 258.9 300.3 334.5 322.1 266.7 219.2 254.2 304.1 262.6 218.6 233.3 202.2 151.1 155.3 114.1  68.8  51.3  50.4  46.2  38.1  35.3  39.9  52.4  58.9  63.1  53.8  41.7  43.6  45.8  43.4  43.6
 75.0 153.2 158.6 164.4 155.1 141.3 150.5 170.9 201.8 236.4 226.8 189.1 172.7 207.0 219.2 162.3 117.7 127.7 144.2 117.7  95.2  53.1  33.0  23.3  26.8  27.4  22.6  20.3  21.3  29.9  33.0  42.2  37.6  28.1  29.8  32.5  32.1  33.1
 77.5  82.0  81.8  68.9  47.6  33.6  32.1  44.6  60.1  87.3 100.8 104.3  87.4  58.2  42.8  23.3  22.6  55.4  82.7  41.7  25.5  28.2  20.2  14.2  18.2  18.7  14.4  13.4  15.4  21.1  21.5  24.5  21.6  16.7  19.1  21.3  23.5  24.8
 80.0  19.6  19.8  18.8  15.8  10.6   7.6   7.4  13.1  22.1  20.9  21.4  19.3  12.9   8.7   7.0   8.4  31.3  33.3   9.7  15.2  15.0  11.3   7.3   9.9  10.2   8.0   7.1   8.7  12.8  13.2  16.3  13.9  10.6  12.1  14.1  16.9  19.2
 82.5   3.1   3.3   3.3   3.6   3.1   2.9   2.9   3.1   4.1   4.4   3.9   3.8   4.6   3.7   3.1   3.4   6.1   5.9   4.0   5.2   6.9   3.9   3.1   3.9   4.4   3.4   3.0   3.7   5.2   5.8   7.6   6.3   5.1   5.7   8.0  10.2   8.7
 85.0   0.7   0.9   0.9   1.0   0.9   0.9   0.8   1.1   1.0   0.9   1.1   1.0   1.2   1.1   0.8   1.1   1.2   1.1   1.1   1.0   1.3   0.6   0.6   0.8   0.8   0.8   0.7   0.9   1.3   1.7   1.8   1.3   1.4   1.9   2.2   2.4   2.2
 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   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   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.)