Illuminance plots of ge348

(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 348
# [MANUFAC] GE Lighting Systems - Hendersonville  NC  USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE M400 FLAT GLASS               
# [LAMP] MET 175-250                   
# [OTHER] Distribution: M-C-II    
# [MORE] Socket Pos: 1F                            
# [MORE] Comments: -                             -                             
# [MORE] Revision No:  0  Rev Date: 970311  Test Date: 97021303
# [MORE] Reflector: 431561-01                       Refractor: 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/ge348.ies
# Luminaire flux =   707 lm,
#                   70.7 % of the bulb flux
# between 75 and 90:  2.6 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  15.0 cd/1000lm ,  0.4 % 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   394 cd/1000lm,
# 67.5 deg to <72.5 deg:   max   734 cd/1000lm,
# maximum spec. lum. intensity   734 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   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106   106
  5.0   107   108   109   110   111   112   112   112   112   111   111   111   112   112   112   112   112   112   113   113   113   113   113   113   112   112   112   111   111   111   110   109   108   108   107   106
 15.0   120   120   122   126   129   136   136   136   135   133   132   131   130   129   129   130   130   130   130   130   130   132   132   133   135   136   136   138   138   137   134   127   120   114   112   111
 25.0   123   124   140   178   176   166   167   167   168   169   170   168   166   164   163   161   160   157   150   147   144   139   136   136   136   136   138   140   142   142   142   140   134   126   117   112
 35.0   111   116   164   201   215   225   198   189   182   169   162   164   168   170   166   160   156   152   144   140   141   143   144   146   148   150   148   146   144   142   138   134   134   128   118   113
 45.0   167   166   198   206   232   261   250   246   245   243   242   228   200   186   180   166   160   157   151   148   151   157   160   159   156   155   158   162   165   159   140   124   120   114   140   153
 55.0   107   106   120   132   166   248   270   277   290   316   329   304   255   230   222   204   196   186   164   154   150   142   138   142   150   154   154   152   152   151   147   124   112   103  78.0  66.0
 60.0  72.0  72.0  84.0   100   126   196   195   222   250   338   364   389   300   266   232   201   195   189   176   163   150   136   135   134   135   139   143   141   140   138   130   112   102  92.0  66.0  53.0
 62.5  55.0  54.0  66.0  84.0   106   170   178   213   248   370   377   384   263   240   216   209   202   195   173   160   148   135   132   128   128   131   134   136   132   128   121   106  98.0  86.0  60.0  47.0
 65.0  38.0  37.0  49.0  67.0  86.0   143   169   212   254   386   390   394   252   236   219   240   233   228   186   166   145   130   126   124   122   124   126   129   124   118   112   100  93.0  81.0  55.0  42.0
 67.5  31.0  30.0  40.0  56.0  72.0   112   165   222   280   490   508   526   280   263   246   303   300   296   210   166   123  96.0  92.0  88.0  90.0  94.0  98.0   104   101  98.0  89.0  80.0  74.0  66.0  46.0  36.0
 70.0  24.0  24.0  32.0  46.0  58.0  82.0   158   252   347   680   707   734   286   258   230   352   365   378   262   182   102  61.0  54.0  48.0  49.0  52.0  54.0  54.0  52.0  50.0  66.0  60.0  56.0  50.0  37.0  30.0
 72.5  17.0  17.0  24.0  36.0  44.0  51.0   113   205   297   602   661   720   278   240   203   332   357   382   289   192  95.0  46.0  40.0  34.0  34.0  36.0  38.0  34.0  32.0  30.0  43.0  40.0  37.0  35.0  28.0  24.0
 75.0  10.0  10.0  16.0  26.0  30.0  20.0  50.0  96.0   143   280   322   364   164   134   104   161   180   200   183   124  62.0  33.0  28.0  24.0  24.0  24.0  25.0  22.0  20.0  20.0  20.0  19.0  18.0  20.0  19.0  18.0
 77.5   8.0   8.0  12.0  20.0  22.0  15.0  16.0  27.0  38.0  63.0  72.0  80.0  46.0  40.0  34.0  46.0  52.0  58.0  58.0  42.0  26.0  17.0  16.0  14.0  14.0  14.0  14.0  12.0  12.0  11.0  15.0  14.0  14.0  15.0  14.0  14.0
 80.0   5.0   5.0   8.0  13.0  15.0  10.0   4.0   6.0   7.0  10.0  12.0  14.0  12.0  11.0  10.0  12.0  13.0  14.0  14.0  12.0  10.0   8.0   8.0   8.0   8.0   8.0   8.0   6.0   6.0   6.0  10.0  10.0   9.0  10.0  10.0  10.0
 82.5   2.0   2.0   4.0   6.0   8.0   5.0   2.0   2.0   2.0   3.0   3.0   3.0   3.0   3.0   3.0   4.0   4.0   4.0   3.0   3.0   3.0   4.0   4.0   4.0   4.0   4.0   3.0   3.0   2.0   2.0   6.0   5.0   4.0   6.0   6.0   6.0
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   1.0   1.0   1.0   1.0   2.0   2.0   2.0   0.0   0.0   0.0   2.0   1.0   0.0   1.0   2.0   2.0   2.0   2.0   2.0   1.0   0.0   0.0   1.0   0.0   0.0   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