Illuminance plots of ge9275

(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] GE 9275
# [MANUFAC] GE Lighting Systems - Hendersonville  NC  USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DIMENSION (DMS)               
# [LAMP] MET 400/U                     
# [OTHER] Distribution: M-C-III   
# [MORE] Socket Pos: 1.5A                          
# [MORE] Comments: SPIDER MOUNTING               -                             
# [MORE] Revision No:  0  Rev Date: 970401  Test Date: 94030206
# [MORE] Reflector: 440057-01                       Refractor: CLEAR FLAT GLASS              
# TILT=NONE
# Bulbs: 1,   1000 lm each
# Number of measured angles:  20 vertical,  36 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous opening diameter (and height?):   1.500  (   0.000 )
# Ballast factor: 1,  Input power:    1 W


# Source file: ies/ge9275.ies
# Luminaire flux =   718 lm,
#                   71.8 % of the bulb flux
# between 75 and 90:  3.9 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  31.0 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    

# 62.5 deg to <67.5 deg:   max   520 cd/1000lm,
# 67.5 deg to <72.5 deg:   max   670 cd/1000lm,
# maximum spec. lum. intensity   804 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  52.5  55.0  57.5  62.5  65.0  67.5  72.5  75.0  77.5  82.5  85.0  87.5  92.5  95.0  97.5 102.5 105.0 107.5 112.5 115.0 117.5 122.5 125.0 127.5 135.0 145.0 155.0 165.0 175.0 180.0
#V:  
  0.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0  58.0
  5.0  63.0  63.0  64.0  64.0  64.0  64.0  64.0  64.0  64.0  64.0  64.0  64.0  62.0  62.0  61.0  60.0  59.0  59.0  59.0  59.0  59.0  60.0  60.0  61.0  63.0  64.0  66.0  69.0  71.0  73.0  78.0  83.0  82.0  82.0  88.0  91.0
 15.0   114   114   116   106  69.0   104   131   140   141   142   143   144   145   146   148   150   152   152   154   154   152   150   148   143   134   129   120   102  93.0  97.0   108   135   136   131   130   130
 25.0   108   110   116   132   102   119   142   150   149   147   146   145   143   142   143   145   146   147   150   151   150   149   148   146   140   138   132   118   112   110   105   139   133   122   109   102
 35.0   102   103   122   153   139   120   140   146   144   142   140   142   144   146   146   146   146   149   155   158   161   167   170   166   160   156   151   142   137   134   124   150   136   128   133   136
 45.0  93.0  96.0   158   176   187   162   166   168   167   165   164   166   170   172   173   176   177   175   171   169   169   168   168   165   160   157   151   139   133   120  82.0   110   110   114   120   123
 55.0   118   116   136   143   195   208   230   238   266   320   348   326   284   262   258   252   248   230   192   174   178   184   188   178   160   150   142   126   118   108  76.0   106   100  95.0  84.0  78.0
 60.0   138   138   156   150   166   162   226   282   338   498   513   528   367   312   258   255   246   236   182   177   172   168   168   167   156   147   138   122   118   114  73.0   103  86.0  80.0  77.0  76.0
 62.5   148   149   166   154   152   139   233   306   378   520   512   504   358   307   256   242   232   222   171   164   156   154   153   152   142   136   130   122   118   114  72.0   102  80.0  72.0  74.0  75.0
 65.0   157   160   175   158   138   116   206   254   302   432   442   452   354   316   278   286   273   260   186   169   152   146   142   138   129   124   119   112   110   107  70.0   100  73.0  64.0  70.0  73.0
 67.5   122   125   138   128   115  95.0   160   201   242   420   456   491   411   379   347   382   362   343   210   178   146   134   127   120   118   113   108   100  98.0  96.0  56.0  80.0  58.0  52.0  58.0  61.0
 70.0  88.0  90.0   101  99.0  92.0  74.0   140   194   247   554   612   670   520   483   446   548   503   458   186   134  82.0  70.0  66.0  62.0  68.0  66.0  65.0  64.0  66.0  67.0  42.0  61.0  42.0  40.0  46.0  49.0
 72.5  54.0  54.0  64.0  70.0  69.0  53.0   102   162   222   700   752   804   558   540   522   722   652   583   192   125  58.0  38.0  35.0  32.0  32.0  28.0  24.0  21.0  22.0  22.0  28.0  42.0  27.0  28.0  34.0  37.0
 75.0  19.0  19.0  27.0  40.0  46.0  32.0  50.0   101   152   480   472   464   338   347   355   424   371   319   122  79.0  35.0  23.0  22.0  21.0  21.0  18.0  14.0  12.0  12.0  12.0  13.0  22.0  12.0  16.0  22.0  25.0
 77.5  14.0  14.0  20.0  30.0  34.0  24.0  26.0  48.0  70.0   151   146   142   116   119   122   121   106  90.0  44.0  31.0  18.0  12.0  12.0  12.0  12.0  11.0  10.0   9.0   8.0   8.0  10.0  17.0   9.0  12.0  17.0  20.0
 80.0  10.0  10.0  14.0  20.0  23.0  16.0  10.0  14.0  18.0  31.0  31.0  31.0  29.0  28.0  28.0  27.0  24.0  22.0  14.0  11.0   8.0   7.0   6.0   6.0   6.0   5.0   4.0   4.0   4.0   4.0   6.0  12.0   6.0   8.0  12.0  14.0
 82.5   5.0   5.0   7.0  10.0  12.0   8.0   3.0   4.0   4.0   6.0   6.0   6.0   6.0   6.0   6.0   6.0   6.0   6.0   4.0   4.0   3.0   3.0   2.0   2.0   2.0   2.0   2.0   2.0   2.0   2.0   3.0   6.0   4.0   4.0   6.0   7.0
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   1.0   1.0   1.0   1.0   2.0   2.0   1.0   1.0   1.0   1.0   1.0   1.0   1.0   1.0   1.0   1.0   1.0   1.0   1.0   0.0   0.0   0.0   0.0   0.0   0.0   1.0   1.0   1.0   1.0   1.0
 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   0.0   0.0   0.0   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   0.0   0.0   0.0   0.0   0.0   0.0