Illuminance plots of ge8889

(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 8889
# [MANUFAC] GE Lighting Systems - Hendersonville  NC  USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DIMENSION (DMA)               
# [LAMP] HPS 50-150                    
# [OTHER] Distribution: HTV       
# [MORE] Socket Pos: 3                             
# [MORE] Comments: HORIZONTAL LAMP               -                             
# [MORE] Revision No:  0  Rev Date: 930412  Test Date: 91082005
# [MORE] Reflector: 440056-01                       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/ge8889.ies
# Luminaire flux =   777 lm,
#                   77.7 % of the bulb flux
# between 75 and 90:  0.9 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  32.0 cd/1000lm ,  0.2 % 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   276 cd/1000lm,
# 67.5 deg to <72.5 deg:   max   246 cd/1000lm,
# maximum spec. lum. intensity   296 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   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195   195
  5.0   191   195   195   195   197   195   195   195   195   195   195   196   196   197   196   196   195   195   195   195   196   196   197   197   198   198   198   197   197   197   198   199   199   195   197   198
 15.0   202   204   204   204   204   208   206   206   204   202   200   199   196   195   193   190   188   188   188   188   187   185   184   184   182   182   182   182   182   182   182   186   188   190   191   192
 25.0   217   219   217   206   206   212   212   212   212   213   213   216   221   224   225   227   228   229   231   232   230   226   224   222   217   215   213   210   208   206   198   193   193   200   202   203
 35.0   191   193   215   198   197   212   237   245   255   274   284   287   293   296   296   294   294   294   292   292   290   287   285   280   270   265   259   246   240   234   215   190   169   170   168   167
 45.0   136   144   177   164   154   194   224   234   233   231   230   226   219   215   215   215   215   214   211   210   209   207   206   205   203   202   198   190   186   180   160   146   140   130   127   126
 55.0  77.0  81.0  81.0  88.0  98.0   124   140   146   148   152   154   160   172   178   180   184   186   184   182   180   176   170   166   164   162   160   160   158   158   154   142   121   120   118   120   121
 60.0   138   148   142   109   106   141   153   152   150   162   175   188   208   210   212   214   214   213   210   202   195   180   177   174   162   160   158   158   156   154   141   126   134   125   140   148
 62.5   168   182   173   120   110   150   168   165   162   184   202   221   252   251   250   247   248   250   242   230   217   198   193   188   166   160   153   147   148   148   140   128   142   128   150   161
 65.0   199   216   204   130   114   158   186   190   191   214   232   250   276   274   272   265   265   264   256   246   234   212   206   198   171   162   155   144   144   140   140   130   149   132   160   174
 67.5   150   164   160   110   101   134   190   198   206   222   229   236   246   243   240   224   220   215   213   208   204   193   190   186   166   160   155   146   142   138   108   100   112  99.0   120   130
 70.0   100   112   115  91.0  88.0   111   169   169   169   171   170   170   169   166   162   153   150   146   146   144   142   142   141   140   132   132   132   132   128   125  76.0  70.0  74.0  66.0  80.0  87.0
 72.5  50.0  60.0  70.0  72.0  74.0  88.0   124   118   112   100  88.0  76.0  50.0  43.0  36.0  28.0  27.0  26.0  22.0  23.0  24.0  26.0  29.0  32.0  46.0  57.0  68.0  76.0  75.0  74.0  44.0  40.0  37.0  33.0  40.0  44.0
 75.0   0.0   7.0  26.0  52.0  61.0  64.0  38.0  26.0  13.0   7.0   7.0   4.0   4.0   4.0   4.0   4.0   4.0   4.0   0.0   0.0   0.0   2.0   2.0   4.0   4.0   7.0   7.0   7.0   7.0   9.0  13.0   9.0   0.0   0.0   0.0   0.0
 77.5   0.0   6.0  20.0  39.0  46.0  48.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0  10.0   6.0   0.0   0.0   0.0   0.0
 80.0   0.0   4.0  13.0  26.0  30.0  32.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   6.0   4.0   0.0   0.0   0.0   0.0
 82.5   0.0   2.0   6.0  13.0  15.0  16.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   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   2.0   0.0   0.0   0.0   0.0
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   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   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   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