Illuminance plots of cf540

(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 10692
# [DATE] 04/28/92
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] CF540
# [LUMINAIRE] 16" CUTOFF FLOODLIGHT
# [LAMP] 400 WATT HPS
# TILT=NONE
# Bulbs: 1,  50000 lm each
# Number of measured angles:  37 vertical,  30 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   1.160   0.830   0.000
# Ballast factor: 1,  Input power:  465 W


# Source file: cf540.ies
# Luminaire flux = 34390 lm,
#                   68.8 % of the bulb flux
# between 75 and 90:  0.4 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max   5.7 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    

# 62.5 deg to <67.5 deg:   max   169 cd/1000lm,
# 67.5 deg to <72.5 deg:   max   105 cd/1000lm,
# maximum spec. lum. intensity   724 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   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153
  2.5   154   156   155   155   155   155   154   154   154   154   154   153   153   153   153   154   153   154   153   153   153   153   153   153   154   154   155   154   154   154
  5.0   156   158   158   158   157   156   156   155   155   155   155   155   155   154   154   154   154   154   154   154   154   153   154   155   156   157   158   158   158   159
  7.5   159   161   161   160   160   158   157   156   157   156   156   156   156   155   155   155   154   154   154   154   153   154   156   158   160   162   162   162   162   162
 10.0   163   166   165   164   163   161   158   157   157   157   157   156   156   156   155   155   155   154   154   155   154   156   160   163   166   167   166   166   165   165
 12.5   170   173   172   170   167   163   160   158   157   157   156   156   155   155   155   155   155   155   155   154   155   159   164   168   172   175   173   170   168   168
 15.0   177   181   180   177   173   168   163   159   158   158   157   156   156   155   155   155   154   154   154   154   155   159   166   172   177   181   180   175   171   170
 17.5   185   189   188   185   179   173   164   161   160   159   158   157   156   155   155   155   154   154   153   153   153   158   165   171   177   181   181   175   169   168
 20.0   198   203   200   195   186   177   168   164   163   161   160   158   158   157   156   155   154   153   152   152   151   157   163   168   173   174   174   173   167   165
 22.5   219   228   221   209   195   183   172   167   166   164   163   161   160   159   158   157   155   155   154   152   151   157   162   167   170   169   167   167   162   157
 25.0   256   268   257   235   211   191   176   172   169   168   166   164   162   161   160   158   156   155   154   153   152   156   161   165   166   166   161   157   155   149
 27.5   306   321   306   277   237   201   180   174   172   170   168   166   164   162   160   158   157   155   154   153   152   156   158   161   165   162   155   150   149   147
 30.0   355   366   353   325   273   218   185   176   173   171   168   166   164   162   161   159   157   156   155   153   153   156   154   157   161   156   154   152   153   156
 32.5   379   387   383   365   314   240   188   175   170   167   165   163   162   160   159   158   157   155   154   153   153   153   151   153   153   151   157   164   170   178
 35.0   395   403   399   383   342   264   191   171   166   162   160   158   157   155   155   154   153   152   151   150   149   148   145   149   146   151   170   190   198   207
 37.5   409   423   415   390   347   282   195   167   159   155   152   151   150   149   149   148   147   146   145   144   142   141   140   141   143   163   201   209   199   183
 40.0   451   485   453   401   342   285   196   162   152   147   144   143   143   143   142   142   141   140   139   138   136   134   133   133   141   189   199   166   156   147
 42.5   581   620   563   451   344   275   189   156   146   140   138   136   136   136   136   136   136   135   133   132   130   126   125   124   145   181   150   144   141   137
 45.0   704   724   694   562   379   265   176   147   138   132   130   129   130   130   131   131   131   129   127   125   122   117   116   116   141   136   137   136   133   130
 47.5   724   702   720   662   461   270   164   136   128   124   123   124   124   125   126   126   125   123   120   118   114   108   107   108   119   122   128   127   126   123
 50.0   568   540   586   630   551   315   153   126   120   117   117   117   119   120   120   121   120   117   114   111   106  99.6  97.9  99.6   105   113   118   121   120   116
 52.5   417   392   430   488   537   383   152   120   113   111   112   112   114   115   116   115   113   111   108   105  97.9  90.4  90.6  91.7  96.4   104   110   112   107  97.1
 55.0   296   282   307   336   426   397   165   114   107   105   106   107   109   110   110   108   106   103  99.8  97.2  89.7  82.0  83.7  84.1  88.9  96.6  97.9  74.6  56.7  40.9
 57.5   235   228   239   243   286   324   179   111  98.7  97.1  98.4   101   102   104   102  99.2  96.8  93.1  90.6  87.2  80.5  74.1  76.8  77.2  81.9  86.2  50.9  29.1  25.3  22.4
 60.0   203   196   202   197   198   206   156   106  89.2  84.9  85.9  89.5  91.7  91.7  89.5  85.9  83.2  80.5  77.8  76.0  70.1  65.6  69.3  69.9  75.7  40.9  19.8  21.3  21.8  20.8
 62.5   169   162   165   169   163   140   122  93.6  81.4  76.6  74.4  74.4  76.3  77.4  75.9  73.1  70.3  68.4  66.9  64.9  60.2  56.5  58.9  61.7  52.1  12.8  16.8  19.5  20.4  19.4
 65.0   133   127   128   132   137   116  95.3  78.7  72.4  69.3  66.4  63.6  62.6  62.1  61.2  58.5  55.9  54.4  52.9  51.5  47.3  44.9  43.3  48.8  12.6   9.2  14.3  17.5  18.6  18.2
 67.5  97.4  79.5  91.2   101   105   102  77.8  70.5  65.1  60.2  57.6  52.7  49.7  46.9  44.0  42.4  40.1  38.2  36.7  35.6  32.6  30.9  27.0  22.7   6.1   6.5  11.5  14.9  16.2  15.5
 70.0  26.3  23.1  29.8  50.2  75.1  79.0  63.3  58.4  54.4  47.5  42.1  38.6  33.3  30.0  26.8  23.6  21.8  20.6  19.5  19.7  18.2  17.1  12.5   6.1   4.1   4.0   8.0  10.8  10.4   8.3
 72.5  16.1  15.2  15.6  14.3  30.7  50.0  41.5  34.8  33.9  29.8  23.7  19.9  17.6  13.5  10.6   8.9   8.2   7.8   7.6   7.8   6.5   5.9   3.7   3.1   2.7   2.0   3.3   2.2   1.6   0.9
 75.0  12.5  11.7  11.9   9.2   8.9  18.2  21.9  19.1  18.0  16.6  14.6  11.2   9.3   7.1   5.6   4.8   4.1   4.0   4.0   3.8   3.3   2.7   2.2   2.0   1.4   0.7   0.7   0.7   0.7   0.5
 77.5   8.6   7.4   7.4   5.7   5.5   5.6  10.0  13.1  12.1  10.6   9.3   7.6   6.2   4.8   3.7   3.2   2.6   2.5   2.2   2.0   1.8   1.4   1.1   1.1   0.7   0.5   0.5   0.7   0.7   0.5
 80.0   4.4   3.8   3.8   3.3   3.5   3.3   3.8   5.0   5.5   5.7   5.7   4.6   4.1   3.2   2.9   2.2   2.0   1.6   1.4   1.4   0.9   0.9   0.7   0.5   0.5   0.3   0.5   0.3   0.5   0.0
 82.5   2.3   2.0   1.8   1.6   1.8   1.8   1.8   2.2   2.0   2.5   2.2   2.2   2.0   2.0   1.6   1.6   1.4   1.1   0.9   0.9   0.5   0.5   0.5   0.3   0.3   0.0   0.3   0.0   0.0   0.0
 85.0   0.9   0.7   0.7   0.7   0.7   0.7   0.7   0.7   1.0   0.7   1.0   1.0   1.0   0.7   0.7   0.7   0.7   0.5   0.5   0.5   0.3   0.3   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   0.3   0.0   0.3   0.3   0.3   0.3   0.3   0.3   0.3   0.3   0.0   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 10692
# [DATE] 04/28/92
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] CF540
# [LUMINAIRE] 16" CUTOFF FLOODLIGHT
# [LAMP] 400 WATT HPS
# TILT=NONE
# Bulbs: 1,  50000 lm each
# Number of measured angles:  37 vertical,  30 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   1.160   0.830   0.000
# Ballast factor: 1,  Input power:  465 W


# Source file: cf540.ies
# Luminaire flux = 34390 lm,
#                   68.8 % of the bulb flux
# between 75 and 90:  0.4 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max   5.7 cd / 1000 lm ,  0.1 % 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   169 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max   105 cd / 1000 lm,
# maximum spec. lum. intensity   724 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   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153   153
  2.5   154   156   155   155   155   155   154   154   154   154   154   153   153   153   153   154   153   154   153   153   153   153   153   153   154   154   155   154   154   154
  5.0   156   158   158   158   157   156   156   155   155   155   155   155   155   154   154   154   154   154   154   154   154   153   154   155   156   157   158   158   158   159
  7.5   159   161   161   160   160   158   157   156   157   156   156   156   156   155   155   155   154   154   154   154   153   154   156   158   160   162   162   162   162   162
 10.0   163   166   165   164   163   161   158   157   157   157   157   156   156   156   155   155   155   154   154   155   154   156   160   163   166   167   166   166   165   165
 12.5   170   173   172   170   167   163   160   158   157   157   156   156   155   155   155   155   155   155   155   154   155   159   164   168   172   175   173   170   168   168
 15.0   177   181   180   177   173   168   163   159   158   158   157   156   156   155   155   155   154   154   154   154   155   159   166   172   177   181   180   175   171   170
 17.5   185   189   188   185   179   173   164   161   160   159   158   157   156   155   155   155   154   154   153   153   153   158   165   171   177   181   181   175   169   168
 20.0   198   203   200   195   186   177   168   164   163   161   160   158   158   157   156   155   154   153   152   152   151   157   163   168   173   174   174   173   167   165
 22.5   219   228   221   209   195   183   172   167   166   164   163   161   160   159   158   157   155   155   154   152   151   157   162   167   170   169   167   167   162   157
 25.0   256   268   257   235   211   191   176   172   169   168   166   164   162   161   160   158   156   155   154   153   152   156   161   165   166   166   161   157   155   149
 27.5   306   321   306   277   237   201   180   174   172   170   168   166   164   162   160   158   157   155   154   153   152   156   158   161   165   162   155   150   149   147
 30.0   355   366   353   325   273   218   185   176   173   171   168   166   164   162   161   159   157   156   155   153   153   156   154   157   161   156   154   152   153   156
 32.5   379   387   383   365   314   240   188   175   170   167   165   163   162   160   159   158   157   155   154   153   153   153   151   153   153   151   157   164   170   178
 35.0   395   403   399   383   342   264   191   171   166   162   160   158   157   155   155   154   153   152   151   150   149   148   145   149   146   151   170   190   198   207
 37.5   409   423   415   390   347   282   195   167   159   155   152   151   150   149   149   148   147   146   145   144   142   141   140   141   143   163   201   209   199   183
 40.0   451   485   453   401   342   285   196   162   152   147   144   143   143   143   142   142   141   140   139   138   136   134   133   133   141   189   199   166   156   147
 42.5   581   620   563   451   344   275   189   156   146   140   138   136   136   136   136   136   136   135   133   132   130   126   125   124   145   181   150   144   141   137
 45.0   704   724   694   562   379   265   176   147   138   132   130   129   130   130   131   131   131   129   127   125   122   117   116   116   141   136   137   136   133   130
 47.5   724   702   720   662   461   270   164   136   128   124   123   124   124   125   126   126   125   123   120   118   114   108   107   108   119   122   128   127   126   123
 50.0   568   540   586   630   551   315   153   126   120   117   117   117   119   120   120   121   120   117   114   111   106  99.6  97.9  99.6   105   113   118   121   120   116
 52.5   417   392   430   488   537   383   152   120   113   111   112   112   114   115   116   115   113   111   108   105  97.9  90.4  90.6  91.7  96.4   104   110   112   107  97.1
 55.0   296   282   307   336   426   397   165   114   107   105   106   107   109   110   110   108   106   103  99.8  97.2  89.7  82.0  83.7  84.1  88.9  96.6  97.9  74.6  56.7  40.9
 57.5   235   228   239   243   286   324   179   111  98.7  97.1  98.4   101   102   104   102  99.2  96.8  93.1  90.6  87.2  80.5  74.1  76.8  77.2  81.9  86.2  50.9  29.1  25.3  22.4
 60.0   203   196   202   197   198   206   156   106  89.2  84.9  85.9  89.5  91.7  91.7  89.5  85.9  83.2  80.5  77.8  76.0  70.1  65.6  69.3  69.9  75.7  40.9  19.8  21.3  21.8  20.8
 62.5   169   162   165   169   163   140   122  93.6  81.4  76.6  74.4  74.4  76.3  77.4  75.9  73.1  70.3  68.4  66.9  64.9  60.2  56.5  58.9  61.7  52.1  12.8  16.8  19.5  20.4  19.4
 65.0   133   127   128   132   137   116  95.3  78.7  72.4  69.3  66.4  63.6  62.6  62.1  61.2  58.5  55.9  54.4  52.9  51.5  47.3  44.9  43.3  48.8  12.6   9.2  14.3  17.5  18.6  18.2
 67.5  97.4  79.5  91.2   101   105   102  77.8  70.5  65.1  60.2  57.6  52.7  49.7  46.9  44.0  42.4  40.1  38.2  36.7  35.6  32.6  30.9  27.0  22.7   6.1   6.5  11.5  14.9  16.2  15.5
 70.0  26.3  23.1  29.8  50.2  75.1  79.0  63.3  58.4  54.4  47.5  42.1  38.6  33.3  30.0  26.8  23.6  21.8  20.6  19.5  19.7  18.2  17.1  12.5   6.1   4.1   4.0   8.0  10.8  10.4   8.3
 72.5  16.1  15.2  15.6  14.3  30.7  50.0  41.5  34.8  33.9  29.8  23.7  19.9  17.6  13.5  10.6   8.9   8.2   7.8   7.6   7.8   6.5   5.9   3.7   3.1   2.7   2.0   3.3   2.2   1.6   0.9
 75.0  12.5  11.7  11.9   9.2   8.9  18.2  21.9  19.1  18.0  16.6  14.6  11.2   9.3   7.1   5.6   4.8   4.1   4.0   4.0   3.8   3.3   2.7   2.2   2.0   1.4   0.7   0.7   0.7   0.7   0.5
 77.5   8.6   7.4   7.4   5.7   5.5   5.6  10.0  13.1  12.1  10.6   9.3   7.6   6.2   4.8   3.7   3.2   2.6   2.5   2.2   2.0   1.8   1.4   1.1   1.1   0.7   0.5   0.5   0.7   0.7   0.5
 80.0   4.4   3.8   3.8   3.3   3.5   3.3   3.8   5.0   5.5   5.7   5.7   4.6   4.1   3.2   2.9   2.2   2.0   1.6   1.4   1.4   0.9   0.9   0.7   0.5   0.5   0.3   0.5   0.3   0.5   0.0
 82.5   2.3   2.0   1.8   1.6   1.8   1.8   1.8   2.2   2.0   2.5   2.2   2.2   2.0   2.0   1.6   1.6   1.4   1.1   0.9   0.9   0.5   0.5   0.5   0.3   0.3   0.0   0.3   0.0   0.0   0.0
 85.0   0.9   0.7   0.7   0.7   0.7   0.7   0.7   0.7   1.0   0.7   1.0   1.0   1.0   0.7   0.7   0.7   0.7   0.5   0.5   0.5   0.3   0.3   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   0.3   0.0   0.3   0.3   0.3   0.3   0.3   0.3   0.3   0.3   0.0   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