Illuminance plots of SRS421,P4,1xSON-TP250W,CON

(as computed by ies2tab from that 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:

   
       
# [MANUFAC]   Philips/2004-08-03 Eulumdat/1   B-Tilt = -5.00
# [TEST]      LVMA206700
# [LUMINAIRE] SRS421 P4
# [LUMCAT]    
# [DATE]      2002-12-24
# down given: 100.00%
# out given: 77.00%
# tilt: 0.0
# [LAMP]      SON-TP250W
# Source file: ldt/SRS421,P4,1xSON-TP250W,CON.ldt
# Luminaire flux =   767 raw, for the given bulb(s) it would be 25450 lm,
#                   76.7 % of the bulb flux
# between 75 and 90:  2.2 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  28.8 cd / 1000 lm ,  0.5 % of the luminaire flux
# 90deg and above:  max   1.0 cd / 1000 lm ,  0.0 % of the luminaire flux
# CutOff Type: CIE_CutOff     

#  Increase of Sky Luminance due to light going
#    from the luminaire difectly above horizon, as compared with the
#    luminance produced by the light dispersed from the ground:   0 %
#  Increase of Sky Luminance in Distant Places by light below 15.0 degrees
#    due to light going from the luminaire directly above horizon:   1 %
#  (for the zenith luminance such an angle suits places up to  19 km distance)
#   The increases concern the following situation:
#    Albedo = 0.10
#    Zenith Extinction = 0.30 mag (i.e., direct light remaining  76 %)
#    Indicatrix type =0 (0: acc. to P.Cinzano, 4..6: CIE sky types)
#   (the downward-scattered part of lambertian uplight is 0.1108 then)

# 62.5 deg to <67.5 deg:   max   356 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max   345 cd / 1000 lm,
# maximum spec. lum. intensity   389 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  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   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254   254
  2.5   230   231   232   233   235   236   237   238   239   240   240   241   241   242   243   243   244   245   246   247   248   249   250   251   251   252   253   254   255   256   257   258   260   262   262   261   260
  5.0   224   222   221   220   218   218   217   219   221   222   224   227   229   232   235   237   239   241   242   246   249   251   253   257   262   257   256   263   266   267   268   269   270   272   273   273   274
  7.5   195   197   199   201   203   204   206   208   210   212   213   214   216   219   220   221   226   232   236   238   242   247   252   257   264   263   266   270   273   276   278   280   281   282   285   283   286
 10.0   190   186   182   179   176   178   184   189   194   199   200   200   202   207   215   218   220   224   230   237   241   244   249   253   260   263   273   271   276   283   285   287   290   294   294   297   303
 12.5   157   158   160   161   163   167   172   178   183   184   184   185   193   195   201   210   214   222   230   236   241   247   250   255   258   263   268   272   281   284   288   292   296   297   297   301   305
 15.0   144   147   151   154   157   158   160   162   165   168   170   177   186   191   202   209   216   224   231   239   246   250   257   259   264   266   270   276   280   284   289   293   296   300   304   305   307
 17.5   132   134   136   138   141   144   147   149   153   158   163   173   182   193   201   207   216   225   234   243   250   258   260   269   268   275   272   275   277   281   283   288   293   296   300   303   306
 20.0   127   129   130   132   134   137   139   142   146   152   159   167   177   186   196   206   216   227   238   247   255   263   268   274   274   274   273   275   272   276   273   279   283   287   290   291   291
 22.5   121   123   125   127   129   131   133   135   141   146   152   160   172   180   191   204   217   230   242   254   263   269   276   280   281   277   275   272   269   269   268   271   273   275   278   283   287
 25.0   115   117   119   120   123   125   128   130   136   142   147   155   164   175   190   204   220   236   248   258   268   277   283   287   289   287   280   271   265   260   258   261   262   262   265   270   276
 27.5   111   112   113   115   117   120   123   126   131   136   143   152   162   173   189   206   224   242   252   267   277   284   286   290   291   287   281   269   258   245   240   239   241   243   246   249   253
 30.0   110   111   112   113   115   118   121   124   128   133   139   146   155   168   186   205   224   243   259   271   281   289   293   296   295   289   278   263   249   233   228   225   230   234   239   244   248
 32.5   103   105   106   108   111   114   118   122   126   131   135   143   154   168   182   202   224   246   265   283   297   304   306   303   296   287   274   254   237   220   212   205   206   206   212   223   234
 35.0  98.0   100   102   104   107   111   115   119   123   128   132   138   147   161   179   203   229   255   280   300   310   322   322   316   304   282   262   241   220   204   197   193   194   195   198   203   208
 37.5  94.0  96.4  98.9   101   105   108   112   115   119   124   131   137   145   160   182   207   238   268   296   318   332   338   340   330   308   282   252   228   202   192   183   177   178   180   186   194   202
 40.0  90.0  92.5  95.0  97.5   100   104   107   111   116   121   128   134   143   161   183   210   248   280   312   337   351   356   351   336   316   281   234   210   186   176   171   169   171   173   176   179   181
 42.5  89.0  90.2  91.5  93.0  96.2 100.0   104   108   113   119   125   131   140   153   181   210   256   288   326   347   369   374   361   339   311   268   220   197   172   159   154   150   148   145   142   140   138
 45.0  79.0  81.5  84.1  86.8  91.1  95.9   101   106   111   116   121   126   136   151   179   214   263   298   341   377   389   383   372   336   294   253   208   178   158   147   141   139   139   139   137   134   131
 47.5  75.0  77.2  79.5  81.8  86.2  91.1  96.2   101   107   112   117   123   133   150   179   218   265   308   356   378   384   385   376   332   282   225   178   158   141   137   131   128   129   130   129   127   125
 50.0  70.0  73.2  76.3  79.5  83.7  88.3  93.0  97.9   103   108   114   120   128   146   177   215   253   301   341   364   374   373   352   310   252   206   163   142   126   124   121   119   120   120   116   111   105
 52.5  68.0  69.3  70.7  72.3  76.7  81.9  87.1  93.2  99.6   106   111   117   126   140   165   203   244   296   327   355   359   353   320   289   221   172   145   127   114   111   114   114   111   108   106   104   102
 55.0  59.0  61.9  64.8  67.8  73.1  78.8  84.4  90.2  96.3   103   109   114   121   135   160   200   247   294   326   351   359   348   312   256   197   160   131   113   103   101   104   104   103   102  98.3  94.2  90.0
 57.5  53.0  56.5  60.1  63.7  68.3  73.3  78.6  85.3  92.3  99.3   106   112   120   133   160   204   251   296   335   357   363   351   311   246   185   140   117   102  94.4  94.8  96.7  96.4  95.4  94.6  91.6  88.4  85.0
 60.0  52.0  52.7  53.5  54.5  61.0  68.0  74.8  81.3  88.0  95.2   102   108   116   131   160   203   252   298   338   356   355   334   292   231   175   130   105  93.9  87.7  87.3  89.7  89.5  87.5  85.3  77.3  67.8  58.0
 62.5  40.0  43.3  46.6  49.9  54.9  60.5  66.5  73.9  81.5  89.8  96.3   103   109   123   153   199   251   298   333   349   344   316   263   206   159   122  97.6  87.0  81.2  77.9  75.3  73.4  71.3  68.9  64.6  59.9  55.0
 65.0  38.0  38.7  39.5  40.6  46.7  53.4  60.0  68.0  76.2  83.5  89.0  95.8   104   115   148   198   255   305   340   356   342   306   245   179   133   108  90.7  80.6  72.8  68.0  63.8  62.0  61.2  60.3  57.9  55.0  52.0
 67.5  21.0  21.8  22.8  24.1  31.6  39.9  48.3  57.9  67.8  74.0  81.8  87.3  95.2   109   131   187   251   295   328   345   327   283   218   161   118  96.3  84.1  74.7  65.9  59.8  55.4  52.8  50.7  48.7  46.5  44.3  42.0
 70.0  17.0  16.7  16.5  16.5  21.0  26.5  32.6  41.8  51.9  62.8  69.5  73.5  76.4  93.2   109   153   217   245   271   284   268   231   172   135   107  82.8  75.3  69.5  61.8  55.7  50.1  46.0  42.7  39.5  36.0  32.1  28.0
 72.5   3.0   5.4   7.8  10.3  11.7  13.6  16.2  24.5  33.9  46.9  47.3  52.0  64.0  76.7  85.8   105   143   180   151   162   168   160   131   105  79.8  71.2  65.2  63.4  57.4  51.2  45.7  40.0  34.2  28.3  26.6  25.3  24.0
 75.0   1.0   1.4   1.8   2.5   3.8   5.3   6.7  10.9  16.6  22.1  25.8  21.6  14.9  20.8  38.7  50.5  69.8   105  89.5  89.1   106  99.2  92.6  81.4  67.7  63.7  58.8  55.1  53.2  47.2  40.7  35.1  29.7  24.1  20.7  17.4  14.0
 77.5   0.0   0.7   1.3   2.0   2.1   2.4   2.8   3.7   5.1   6.5  10.0   5.0   4.8   8.8  11.9  18.5  28.0  31.4  48.8  43.6  49.0  46.5  49.4  34.5  34.7  45.8  45.4  45.9  45.1  40.6  34.7  29.6  24.4  19.0  16.9  15.0  13.0
 80.0   0.0   0.0   0.0   0.1   0.5   0.9   1.3   1.4   1.5   2.0   1.7   1.8   3.7   3.9   4.9   8.5  12.7  15.3  10.5  14.7  14.4  14.5  12.1  12.0  22.7  19.6  26.9  27.9  28.8  27.7  25.4  21.8  17.6  13.0  11.0   9.0   7.0
 82.5   0.0   0.0   0.0   0.0   0.0   0.1   0.3   0.4   0.5   1.1   0.8   1.0   1.0   1.3   1.9   2.9   2.9   3.6   4.8   5.2   6.6   6.6   5.1   5.5   4.3   5.6  12.8  11.0  16.1  15.8  15.2  13.3  11.1   8.8   7.6   6.3   5.0
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.8   0.1   0.9   0.4   1.4   0.8   1.6   2.9   2.4   2.7   3.1   1.8   2.6   3.0   3.1   3.5   3.7   8.5   8.6   7.7   6.8   5.5   3.9   3.3   2.7   2.0
 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   0.1   0.0   0.0   0.0   0.0   1.9   1.2   0.4   1.0   0.7   0.8   1.0   1.3   1.0   1.4   1.5   1.3   1.0   1.0   1.0   1.0   1.3   1.7   2.0
 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   0.2   0.0   0.0   0.0   0.0   0.0   0.1   0.3   0.4   0.5   0.6   0.7   0.9   1.0   1.0   1.0   1.0   1.0
 92.5   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   0.3   0.6   0.9   0.7   0.3   0.0
 95.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0