Illuminance plots

produced from photometry file Lithonia_Lighting-Outdoor-Area-KADT-92040102A.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] 1192040102
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KADT 400S R3
# [LUMINAIRE] DIE-CAST CUTOFF LUMINAIRE
# [LAMPCAT] LU400
# [LAMP] ONE 400-WATT CLEAR ET-18 HIGH PRESSURE SODIUM, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1,  50000 lm each
# Number of measured angles:  33 vertical,  21 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous opening width, length and height:   1.200   1.200   0.000
# Ballast factor: 1,  Input power:  468 W


# Source file: Lithonia_Lighting\Outdoor\Area\KADT\92040102A.ies
# Luminaire flux = 38988 lm,
#                   78.0 % of the bulb flux
# between 75 and 90:  2.7 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  40.9 cd/1000lm ,  0.3 % 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:  
  0.0 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2 133.2
  5.0 141.2 141.6 141.8 141.6 140.7 140.9 139.6 138.9 136.8 136.0 135.7 134.8 132.4 130.6 128.5 126.9 125.5 123.3 123.1 122.1 122.9
 10.0 150.4 152.4 152.5 154.0 155.7 157.1 156.5 155.7 154.3 150.0 147.1 145.2 140.8 136.0 129.6 124.7 119.4 116.0 111.4 109.6 110.2
 15.0 154.0 155.7 158.1 166.1 173.9 176.8 174.4 169.1 162.5 157.6 153.9 151.1 144.8 138.1 130.5 124.7 119.2 110.8 104.4  99.7  99.8
 20.0 149.3 149.4 157.9 171.9 183.5 188.3 188.8 184.4 176.3 169.0 166.2 161.4 152.7 145.5 137.8 128.4 117.3 109.6 100.2  93.1  93.1
 22.5 144.3 144.4 156.6 173.9 184.9 194.3 197.0 192.4 185.3 177.1 173.8 169.6 159.0 149.6 138.6 129.3 119.2 109.2  98.6  90.6  89.7
 25.0 138.7 141.3 156.4 173.9 187.8 201.0 204.2 204.1 196.6 190.5 186.3 181.4 168.9 155.8 142.5 130.0 119.9 108.8  97.9  89.4  87.7
 27.5 134.8 138.2 155.2 173.7 191.9 206.8 218.5 224.1 218.7 211.3 206.6 201.1 186.3 166.9 146.7 132.4 120.1 110.3  97.1  87.5  85.8
 30.0 131.0 135.1 155.6 175.9 196.4 215.9 237.7 249.0 242.9 233.8 228.1 220.6 203.2 181.2 155.1 134.5 121.4 110.8  97.2  85.1  83.4
 32.5 127.1 131.0 154.5 177.8 200.1 231.5 267.3 285.9 275.5 258.6 248.3 238.2 217.8 195.7 167.1 140.5 123.0 110.8  96.5  83.0  81.9
 35.0 120.8 125.0 150.2 178.4 203.8 247.8 301.3 331.7 315.2 282.7 266.8 252.1 228.1 207.3 177.8 148.3 125.4 110.3  95.2  81.1  78.4
 37.5 114.1 119.6 145.9 176.3 206.3 262.1 338.8 380.8 351.7 301.9 279.0 259.0 232.1 213.4 188.5 158.4 128.6 109.6  93.3  78.4  75.8
 40.0 110.5 115.2 140.5 173.7 206.6 269.8 366.7 409.2 369.1 308.4 282.4 259.4 226.7 209.0 193.7 167.5 133.0 109.5  90.0  73.0  70.7
 42.5 107.0 112.4 137.9 173.5 206.0 273.3 374.8 417.5 372.5 311.2 286.5 261.7 224.6 200.9 191.2 175.7 137.2 104.4  83.3  67.6  66.9
 45.0 106.6 111.5 136.6 173.2 202.9 266.4 363.5 408.1 370.4 315.2 288.0 263.9 226.2 197.4 184.1 176.8 140.7  98.2  76.2  65.6  63.3
 47.5 107.7 113.5 138.2 171.1 191.9 247.5 337.7 387.0 359.0 307.0 283.8 261.5 227.5 197.3 177.8 170.8 138.5  93.1  73.5  65.1  63.1
 50.0 113.4 119.2 142.5 167.0 179.2 223.3 304.6 355.5 335.6 291.3 269.5 250.4 221.0 196.6 174.5 158.9 130.3  86.0  71.8  67.3  66.1
 52.5 124.4 130.1 146.3 165.3 166.5 202.2 274.0 314.5 302.4 261.4 241.1 225.0 204.9 183.0 166.0 146.6 114.5  81.1  71.4  68.6  67.7
 55.0 138.3 141.6 147.2 162.2 157.1 183.7 244.6 276.9 243.7 209.9 197.9 189.0 180.7 169.6 152.9 130.8  97.2  77.6  71.0  67.6  65.0
 57.5 146.8 149.7 143.4 153.5 154.0 170.0 225.2 233.4 239.2 215.1 195.6 181.2 169.0 161.6 147.9 117.0  87.0  73.7  70.0  64.0  61.0
 60.0 146.0 148.2 133.9 142.9 153.1 159.0 200.8 256.9 282.5 228.8 195.1 172.0 156.3 149.7 136.7 100.8  78.2  69.8  68.9  61.3  56.4
 62.5 126.3 128.8 119.8 130.9 149.6 149.3 210.1 303.6 332.0 238.9 197.0 168.0 143.6 136.5 121.1  88.3  72.4  66.4  66.9  57.6  50.8
 65.0  84.0  91.3 102.1 114.2 141.4 142.5 222.3 354.0 350.5 244.1 200.4 164.9 133.3 121.2 105.8  83.1  70.9  64.4  66.0  51.6  44.5
 67.5  59.5  68.5  83.8  95.2 124.0 132.2 233.8 369.0 355.7 250.5 199.2 161.4 126.3 113.2  96.1  79.1  69.8  64.5  62.2  44.2  38.2
 70.0  43.8  51.5  64.6  73.9  95.9 121.6 231.2 358.3 357.0 242.7 191.4 154.5 118.5 106.2  89.7  76.1  67.2  64.1  54.9  37.0  31.2
 72.5  28.0  33.9  43.7  48.5  70.6 108.8 210.2 333.7 328.2 186.1 139.6 111.7  89.3  92.4  83.8  69.7  60.4  53.4  41.0  27.0  23.1
 75.0  16.3  18.4  25.6  30.3  48.6  92.3 172.7 249.8 206.7  95.1  67.9  51.4  36.1  35.3  35.8  34.1  35.3  28.0  22.9  14.1  14.8
 77.5   5.1   5.1  10.5  14.1  27.7  58.5  82.9 119.7  86.2  39.5  30.5  24.1  14.3  11.5  10.3   8.6  10.9  15.1  14.9   8.2   8.3
 80.0   0.0   0.0   0.4   1.0   8.2  11.6  21.1  40.9  34.5  19.5  14.7  10.9   7.6   5.3   5.1   3.5   3.8   6.5   7.2   3.8   3.6
 82.5   0.0   0.0   0.0   0.0   0.0   0.5   4.4  12.2  13.3   6.9   4.9   3.5   1.9   0.9   1.1   0.0   0.0   0.5   2.0   0.3   0.6
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.4   0.4   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.)