Illuminance plots

produced from photometry file Lithonia_Lighting-Outdoor-Area-KADT-92041502A.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] 1192041502
# [MANUFAC] LITHONIA LIGHTING
# [LUMCAT] KADT 400M R3 RJ
# [LUMINAIRE] DIE-CAST CUTOFF LUMINAIRE
# [LAMPCAT] MH400/U/ED28
# [LAMP] ONE 400-WATT CLEAR BT-28 METAL HALIDE, HORIZONTAL POSITION.
# [_PRODUCTGROUP] OUTDOOR
# [_INFOLINK] www.lithonia.com/visual/ies/ies.asp?vfile=
# TILT=NONE
# Bulbs: 1,  32000 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:  462 W


# Source file: Lithonia_Lighting\Outdoor\Area\KADT\92041502A.ies
# Luminaire flux = 21719 lm,
#                   67.9 % of the bulb flux
# between 75 and 90:  4.2 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  59.4 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  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:  
  0.0 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1 124.1
  5.0 136.4 136.0 135.1 134.3 132.6 131.4 129.5 126.9 125.1 122.9 122.0 120.7 119.5 117.6 116.6 115.0 114.4 113.6 114.2 113.0 114.6
 10.0 146.1 145.9 143.9 142.6 139.7 138.1 135.7 132.8 128.6 124.4 122.0 120.2 115.5 112.1 109.9 107.6 105.0 104.6 103.9 104.6 104.8
 15.0 150.0 149.6 150.0 150.2 152.1 149.3 142.4 135.9 128.4 121.7 118.4 116.7 111.6 108.1 105.1 103.3 101.4 100.6  98.1  97.7  98.1
 20.0 146.1 146.6 150.6 156.7 160.4 160.2 152.8 144.1 137.9 129.4 124.6 122.2 116.5 112.2 106.5 103.2  97.6  94.2  92.1  90.0  90.2
 22.5 147.1 147.0 152.1 159.1 163.5 166.2 160.8 153.1 144.0 134.2 130.2 125.6 117.6 113.7 109.2 101.9  96.1  91.4  89.5  87.8  87.5
 25.0 144.0 146.5 153.7 160.3 166.5 173.5 170.2 161.7 149.1 140.9 135.7 131.4 123.1 117.1 110.2 103.2  95.5  90.7  87.3  85.6  85.1
 27.5 142.4 143.9 153.7 163.6 171.1 180.3 183.1 175.7 165.8 157.2 151.2 146.3 135.0 124.1 112.1 104.0  95.2  89.9  86.1  83.4  82.6
 30.0 139.8 141.5 152.9 165.4 175.5 188.8 201.6 201.3 192.4 180.9 173.8 167.1 152.7 136.8 119.8 106.1  95.4  88.7  84.1  82.3  80.9
 32.5 132.7 133.8 147.1 163.3 180.5 205.7 232.3 243.7 231.7 210.5 199.6 189.5 171.8 152.8 131.8 113.3  97.5  88.3  83.1  79.9  77.9
 35.0 124.3 127.0 140.7 159.8 184.6 224.2 269.2 293.9 271.0 229.9 213.6 202.0 184.8 166.7 145.5 121.1  98.7  87.1  81.1  77.3  76.0
 37.5 121.6 123.3 135.4 156.8 186.2 238.4 306.4 338.2 296.3 237.6 217.9 205.5 188.5 175.7 157.9 131.3 102.7  85.9  79.4  74.3  74.2
 40.0 117.9 121.5 131.9 151.1 184.5 242.9 330.1 361.4 304.2 239.1 219.1 205.7 189.5 178.5 167.1 142.4 105.4  84.6  77.7  72.4  72.1
 42.5 117.6 120.7 130.8 148.7 183.5 240.7 338.0 368.5 306.1 239.6 219.0 207.1 190.5 176.3 168.6 147.7 107.9  82.9  73.4  67.9  68.2
 45.0 119.7 120.6 129.8 150.1 183.8 228.4 328.2 361.6 304.6 240.4 220.9 208.8 192.8 173.7 162.4 148.1 109.8  78.8  64.5  63.8  64.9
 47.5 120.1 121.4 130.2 152.9 179.6 209.9 300.5 341.7 294.2 238.6 221.6 211.7 191.8 171.9 155.0 142.7 108.0  71.9  62.3  63.8  65.7
 50.0 124.8 126.1 132.8 153.4 168.7 188.5 265.2 309.3 269.6 229.1 215.5 204.6 185.8 167.9 147.8 132.9 102.2  68.5  59.4  66.9  70.6
 52.5 135.2 136.0 134.6 152.9 154.8 169.1 234.6 272.1 237.3 212.8 202.1 192.6 171.9 154.6 139.8 122.0  94.1  67.2  59.1  69.7  74.0
 55.0 154.9 151.3 136.6 154.9 144.5 156.1 207.3 233.3 202.7 181.0 171.4 160.2 148.8 147.8 133.7 109.1  84.0  65.4  58.6  68.9  71.9
 57.5 170.4 163.0 135.3 154.2 139.3 147.9 187.9 206.1 182.0 167.3 159.7 151.2 144.2 147.0 134.9  96.2  76.1  62.2  58.2  65.6  68.6
 60.0 176.6 165.8 130.8 146.2 136.8 133.3 164.7 209.2 203.0 163.5 150.0 141.8 135.0 137.8 131.4  83.0  68.8  59.4  57.5  60.4  62.3
 62.5 165.7 153.6 119.3 133.4 134.8 130.3 164.7 247.1 236.7 163.0 140.9 127.6 117.9 119.9 112.9  73.4  64.0  55.5  55.2  55.1  55.3
 65.0 118.9 116.0 101.4 114.8 126.9 124.3 170.3 293.9 270.8 166.6 138.1 119.7 102.2  96.9  84.8  68.3  60.3  52.8  53.3  48.2  47.2
 67.5  78.2  81.4  84.6  92.5 111.6 111.4 177.9 328.9 285.4 171.8 138.4 115.1  92.4  85.9  74.6  65.3  58.1  52.8  50.9  41.5  38.5
 70.0  57.5  59.8  66.8  72.1  89.3  97.5 179.4 325.3 282.5 160.5 127.9 108.0  87.5  83.8  71.2  62.8  57.6  53.2  47.0  34.3  30.7
 72.5  42.9  45.1  52.2  55.6  66.3  85.8 167.0 303.7 265.2 142.5 118.9 101.1  81.6  79.8  67.7  58.0  52.5  50.7  39.9  25.9  22.4
 75.0  30.9  32.9  41.9  41.9  53.0  73.7 139.4 270.3 228.2 109.1  89.8  76.1  63.6  60.2  52.2  48.9  45.6  38.4  28.1  17.6  15.7
 77.5  19.0  19.4  27.8  31.5  41.2  57.8  95.1 166.2 126.9  49.1  39.6  31.4  21.7  21.1  18.1  16.8  19.8  17.3  15.8   9.4   7.8
 80.0   6.0   6.1   9.0  10.8  24.2  28.3  34.6  59.4  46.9  21.1  18.6  13.4   9.5   9.0   7.5   6.6   6.4   8.4   8.1   5.4   4.1
 82.5   0.0   0.0   0.4   0.0   1.2   2.4   7.3  18.7  17.6   8.5   5.7   4.8   3.6   2.5   2.7   1.8   1.4   2.4   3.0   1.5   1.0
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   2.3   2.8   1.1   0.7   0.4   0.4   0.0   0.1   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.)