Illuminance plots of mpr226

(as computed by ies2tab from that IES photometry file)

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] LSI 11201
# [DATE] 03/16/93
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] MPR226
# [LUMINAIRE] 12" PARKING/ROADWAY / TYPE III
# [LAMP] 26 WATT FL
# TILT=NONE
# Bulbs: 1,   1800 lm each
# Number of measured angles:  37 vertical,  30 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   0.000   0.000   0.000
# Ballast factor: 1,  Input power:   28 W


# Source file: mpr226.ies
# Luminaire flux =   931 lm,
#                   51.7 % of the bulb flux
# between 75 and 90:  5.0 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  35.0 cd/1000lm ,  1.0 % of the luminaire flux
# 90deg and above:  max   0.0 cd/1000lm ,  0.0 % of the luminaire flux
# CutOff Type: Full_CutOff    

# 62.5 deg to <67.5 deg:   max   181 cd/1000lm,
# 67.5 deg to <72.5 deg:   max   174 cd/1000lm,
# maximum spec. lum. intensity   181 cd/1000lm

# 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  60.0  62.5  65.0  67.5  70.0  72.5  75.0  77.5  80.0  82.5  85.0  87.5  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   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103
  2.5   104   103   103   103   103   103   103   103   103   103   103   104   103   104   103   104   104   104   104   104   104   104   103   104   103   104   103   103   103   103
  5.0   104   102   103   103   103   103   104   104   104   104   104   105   105   105   105   106   106   106   106   106   106   106   104   104   104   104   103   103   102   103
  7.5   103   102   102   103   103   104   107   107   107   107   107   108   108   109   108   109   109   109   109   109   109   109   107   107   105   104   103   102   102   103
 10.0   102   101   102   102   104   107   109   110   111   111   111   112   112   112   112   113   113   113   113   113   113   112   110   109   107   105   103   101   101   102
 12.5   101  99.4   101   103   106   109   112   113   113   113   114   115   114   115   115   116   115   116   116   116   116   115   113   112   109   106   103   101  99.4   101
 15.0  98.9  97.8  99.4   103   108   112   115   116   116   116   116   117   117   117   117   117   117   117   118   118   118   117   115   114   111   108   103   100  98.3   100
 17.5  97.2  96.7  98.9   104   109   113   116   117   117   117   117   118   118   119   119   119   119   119   119   119   119   118   117   115   112   109   104   100  97.8  98.9
 20.0  95.6  95.0  98.9   105   111   113   117   118   118   118   118   119   119   120   119   120   120   120   120   121   120   119   117   116   113   109   104  99.4  96.1  97.2
 22.5  93.9  93.3  97.8   105   111   114   118   119   119   119   119   121   121   121   121   121   121   121   121   121   121   120   118   116   113   109   104  98.3  94.4  95.6
 25.0  91.1  91.1  96.7   104   111   114   118   119   119   120   121   122   122   122   122   123   122   123   123   123   122   121   118   116   113   109   103  97.2  92.8  93.3
 27.5  87.8  88.3  95.6   103   109   113   118   119   121   121   122   123   124   125   126   126   126   126   126   126   125   123   119   116   112   108   102  95.6  91.1  91.7
 30.0  84.4  85.6  95.0   101   107   112   118   121   122   124   124   127   127   128   128   129   129   129   129   130   128   127   122   117   112   107   101  93.9  88.9  89.4
 32.5  81.1  82.8  92.8  98.9   104   111   119   123   124   126   127   129   130   131   132   132   132   133   133   133   132   129   124   118   111   106   100  92.8  86.7  87.8
 35.0  77.8  80.0  91.7  96.7   102   110   121   125   127   128   130   132   133   134   134   136   136   136   136   136   135   132   127   121   112   105  98.9  91.1  84.4  85.0
 37.5  75.0  77.8  90.6  95.0  99.4   109   122   127   129   131   133   136   137   138   138   139   139   140   140   140   139   136   129   122   112   104  96.7  88.9  82.2  82.8
 40.0  72.2  76.1  89.4  93.9  98.9   109   122   128   131   133   136   139   141   143   143   144   144   144   144   144   143   139   132   124   113   103  94.4  86.7  80.0  80.0
 42.5  69.4  73.9  87.8  92.2  98.3   109   123   130   134   137   139   143   145   147   148   149   149   149   149   149   148   144   136   126   113   102  92.2  83.9  77.2  77.2
 45.0  66.7  71.7  85.6  90.6  97.8   108   123   132   136   139   143   146   149   151   152   153   153   153   153   153   152   148   139   128   114   101  90.0  81.7  74.4  74.4
 47.5  64.4  68.9  82.2  89.4  96.7   108   124   133   138   141   144   148   151   153   154   156   156   156   156   156   154   150   142   130   116   101  87.8  78.9  71.7  71.1
 50.0  61.7  66.1  79.4  87.8  95.0   107   124   134   139   142   146   151   154   156   157   158   158   158   157   157   154   151   143   133   117   101  86.1  75.6  68.3  67.2
 52.5  59.4  63.9  76.1  85.6  93.3   105   123   134   139   143   147   151   154   157   158   159   159   159   158   157   154   151   143   133   117   100  83.9  72.2  64.4  63.9
 55.0  57.2  61.7  73.9  83.3  91.1   102   122   132   137   142   147   151   155   158   159   161   160   161   160   159   155   150   142   131   117  99.4  81.7  68.9  60.6  60.6
 57.5  55.0  59.4  70.6  80.6  88.9  99.4   119   131   136   141   147   152   157   160   162   163   163   162   161   159   154   148   140   130   115  96.7  78.9  66.1  56.7  56.1
 60.0  51.1  55.6  66.1  76.1  85.6  96.1   118   131   138   143   150   157   163   167   169   171   169   168   167   164   156   145   139   129   113  94.4  76.1  62.2  51.7  51.7
 62.5  46.7  50.6  61.7  70.6  82.2  93.3   119   134   142   149   157   164   170   175   177   178   177   175   172   169   158   145   139   129   111  91.1  72.8  58.3  46.7  46.7
 65.0  41.7  45.6  56.1  64.4  76.7  91.1   118   136   144   151   159   167   173   178   179   181   179   177   174   170   158   143   136   127   108  87.2  69.4  54.4  41.7  41.1
 67.5  36.1  38.9  48.3  57.8  69.4  87.2   116   132   141   149   157   163   169   172   173   174   172   169   166   162   151   137   131   122   104  82.2  65.0  50.0  37.2  35.6
 70.0  30.0  31.7  38.9  48.3  60.6  80.6   109   125   133   141   149   155   160   163   164   164   161   158   155   152   142   128   118   111  98.3  76.7  59.4  44.4  31.7  30.0
 72.5  22.8  23.9  27.8  36.7  48.9  69.4  96.7   109   116   122   127   131   134   136   136   135   133   131   128   127   119   108   101  95.0  85.6  68.9  52.2  37.8  24.4  22.8
 75.0  13.9  15.6  18.3  25.6  35.6  52.2  72.8  82.2  86.7  90.6  94.4  97.2  99.4   100   101   100  98.3  96.7  94.4  94.4  89.4  81.7  77.2  73.9  68.9  57.2  43.9  30.0  17.8  16.7
 77.5   7.2   8.3  10.0  13.9  21.1  32.8  46.7  52.8  55.0  57.8  60.6  61.7  63.9  65.6  65.6  66.1  65.0  63.9  63.3  63.3  60.6  53.9  49.4  46.1  45.6  39.4  31.7  20.6  11.7  11.1
 80.0   3.9   4.4   4.4   6.7  10.6  17.2  24.4  28.3  30.0  31.1  32.8  33.3  34.4  34.4  35.0  35.0  34.4  33.9  32.8  32.8  31.7  28.3  26.7  25.0  23.9  22.2  17.8  12.2   6.7   6.1
 82.5   1.7   1.7   1.7   2.2   3.9   6.7   9.4  11.1  11.7  12.2  12.8  13.3  13.3  13.3  13.3  13.3  12.8  12.8  12.2  11.7  11.7  10.0   8.9   8.9   9.4   9.4   7.2   5.0   2.8   2.8
 85.0   0.6   0.6   0.6   0.6   1.1   1.7   2.2   2.8   2.8   3.3   3.9   3.9   3.9   3.9   3.9   3.9   3.9   3.9   3.3   3.3   3.3   2.8   2.8   1.7   1.7   1.7   1.7   0.6   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   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

# IESNA91
# [TEST] LSI 11201
# [DATE] 03/16/93
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] MPR226
# [LUMINAIRE] 12" PARKING/ROADWAY / TYPE III
# [LAMP] 26 WATT FL
# TILT=NONE
# Bulbs: 1,   1800 lm each
# Number of measured angles:  37 vertical,  30 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   0.000   0.000   0.000
# Ballast factor: 1,  Input power:   28 W


# Source file: mpr226.ies
# Luminaire flux =   931 lm,
#                   51.7 % of the bulb flux
# between 75 and 90:  5.0 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  35.0 cd / 1000 lm ,  1.0 % of the luminaire flux
# 90deg and above:  max   0.0 cd / 1000 lm ,  0.0 % of the luminaire flux
# CutOff Type: Full_CutOff    

# 62.5 deg to <67.5 deg:   max   181 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max   174 cd / 1000 lm,
# maximum spec. lum. intensity   181 cd / 1000 lm

# 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  60.0  62.5  65.0  67.5  70.0  72.5  75.0  77.5  80.0  82.5  85.0  87.5  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   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103   103
  2.5   104   103   103   103   103   103   103   103   103   103   103   104   103   104   103   104   104   104   104   104   104   104   103   104   103   104   103   103   103   103
  5.0   104   102   103   103   103   103   104   104   104   104   104   105   105   105   105   106   106   106   106   106   106   106   104   104   104   104   103   103   102   103
  7.5   103   102   102   103   103   104   107   107   107   107   107   108   108   109   108   109   109   109   109   109   109   109   107   107   105   104   103   102   102   103
 10.0   102   101   102   102   104   107   109   110   111   111   111   112   112   112   112   113   113   113   113   113   113   112   110   109   107   105   103   101   101   102
 12.5   101  99.4   101   103   106   109   112   113   113   113   114   115   114   115   115   116   115   116   116   116   116   115   113   112   109   106   103   101  99.4   101
 15.0  98.9  97.8  99.4   103   108   112   115   116   116   116   116   117   117   117   117   117   117   117   118   118   118   117   115   114   111   108   103   100  98.3   100
 17.5  97.2  96.7  98.9   104   109   113   116   117   117   117   117   118   118   119   119   119   119   119   119   119   119   118   117   115   112   109   104   100  97.8  98.9
 20.0  95.6  95.0  98.9   105   111   113   117   118   118   118   118   119   119   120   119   120   120   120   120   121   120   119   117   116   113   109   104  99.4  96.1  97.2
 22.5  93.9  93.3  97.8   105   111   114   118   119   119   119   119   121   121   121   121   121   121   121   121   121   121   120   118   116   113   109   104  98.3  94.4  95.6
 25.0  91.1  91.1  96.7   104   111   114   118   119   119   120   121   122   122   122   122   123   122   123   123   123   122   121   118   116   113   109   103  97.2  92.8  93.3
 27.5  87.8  88.3  95.6   103   109   113   118   119   121   121   122   123   124   125   126   126   126   126   126   126   125   123   119   116   112   108   102  95.6  91.1  91.7
 30.0  84.4  85.6  95.0   101   107   112   118   121   122   124   124   127   127   128   128   129   129   129   129   130   128   127   122   117   112   107   101  93.9  88.9  89.4
 32.5  81.1  82.8  92.8  98.9   104   111   119   123   124   126   127   129   130   131   132   132   132   133   133   133   132   129   124   118   111   106   100  92.8  86.7  87.8
 35.0  77.8  80.0  91.7  96.7   102   110   121   125   127   128   130   132   133   134   134   136   136   136   136   136   135   132   127   121   112   105  98.9  91.1  84.4  85.0
 37.5  75.0  77.8  90.6  95.0  99.4   109   122   127   129   131   133   136   137   138   138   139   139   140   140   140   139   136   129   122   112   104  96.7  88.9  82.2  82.8
 40.0  72.2  76.1  89.4  93.9  98.9   109   122   128   131   133   136   139   141   143   143   144   144   144   144   144   143   139   132   124   113   103  94.4  86.7  80.0  80.0
 42.5  69.4  73.9  87.8  92.2  98.3   109   123   130   134   137   139   143   145   147   148   149   149   149   149   149   148   144   136   126   113   102  92.2  83.9  77.2  77.2
 45.0  66.7  71.7  85.6  90.6  97.8   108   123   132   136   139   143   146   149   151   152   153   153   153   153   153   152   148   139   128   114   101  90.0  81.7  74.4  74.4
 47.5  64.4  68.9  82.2  89.4  96.7   108   124   133   138   141   144   148   151   153   154   156   156   156   156   156   154   150   142   130   116   101  87.8  78.9  71.7  71.1
 50.0  61.7  66.1  79.4  87.8  95.0   107   124   134   139   142   146   151   154   156   157   158   158   158   157   157   154   151   143   133   117   101  86.1  75.6  68.3  67.2
 52.5  59.4  63.9  76.1  85.6  93.3   105   123   134   139   143   147   151   154   157   158   159   159   159   158   157   154   151   143   133   117   100  83.9  72.2  64.4  63.9
 55.0  57.2  61.7  73.9  83.3  91.1   102   122   132   137   142   147   151   155   158   159   161   160   161   160   159   155   150   142   131   117  99.4  81.7  68.9  60.6  60.6
 57.5  55.0  59.4  70.6  80.6  88.9  99.4   119   131   136   141   147   152   157   160   162   163   163   162   161   159   154   148   140   130   115  96.7  78.9  66.1  56.7  56.1
 60.0  51.1  55.6  66.1  76.1  85.6  96.1   118   131   138   143   150   157   163   167   169   171   169   168   167   164   156   145   139   129   113  94.4  76.1  62.2  51.7  51.7
 62.5  46.7  50.6  61.7  70.6  82.2  93.3   119   134   142   149   157   164   170   175   177   178   177   175   172   169   158   145   139   129   111  91.1  72.8  58.3  46.7  46.7
 65.0  41.7  45.6  56.1  64.4  76.7  91.1   118   136   144   151   159   167   173   178   179   181   179   177   174   170   158   143   136   127   108  87.2  69.4  54.4  41.7  41.1
 67.5  36.1  38.9  48.3  57.8  69.4  87.2   116   132   141   149   157   163   169   172   173   174   172   169   166   162   151   137   131   122   104  82.2  65.0  50.0  37.2  35.6
 70.0  30.0  31.7  38.9  48.3  60.6  80.6   109   125   133   141   149   155   160   163   164   164   161   158   155   152   142   128   118   111  98.3  76.7  59.4  44.4  31.7  30.0
 72.5  22.8  23.9  27.8  36.7  48.9  69.4  96.7   109   116   122   127   131   134   136   136   135   133   131   128   127   119   108   101  95.0  85.6  68.9  52.2  37.8  24.4  22.8
 75.0  13.9  15.6  18.3  25.6  35.6  52.2  72.8  82.2  86.7  90.6  94.4  97.2  99.4   100   101   100  98.3  96.7  94.4  94.4  89.4  81.7  77.2  73.9  68.9  57.2  43.9  30.0  17.8  16.7
 77.5   7.2   8.3  10.0  13.9  21.1  32.8  46.7  52.8  55.0  57.8  60.6  61.7  63.9  65.6  65.6  66.1  65.0  63.9  63.3  63.3  60.6  53.9  49.4  46.1  45.6  39.4  31.7  20.6  11.7  11.1
 80.0   3.9   4.4   4.4   6.7  10.6  17.2  24.4  28.3  30.0  31.1  32.8  33.3  34.4  34.4  35.0  35.0  34.4  33.9  32.8  32.8  31.7  28.3  26.7  25.0  23.9  22.2  17.8  12.2   6.7   6.1
 82.5   1.7   1.7   1.7   2.2   3.9   6.7   9.4  11.1  11.7  12.2  12.8  13.3  13.3  13.3  13.3  13.3  12.8  12.8  12.2  11.7  11.7  10.0   8.9   8.9   9.4   9.4   7.2   5.0   2.8   2.8
 85.0   0.6   0.6   0.6   0.6   1.1   1.7   2.2   2.8   2.8   3.3   3.9   3.9   3.9   3.9   3.9   3.9   3.9   3.9   3.3   3.3   3.3   2.8   2.8   1.7   1.7   1.7   1.7   0.6   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   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