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| 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. |
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.
# IESNA91
# [TEST] GE 8325
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE FILTRGARD
# [LAMP] MET 100 MED
# [OTHER] Distribution: SC 1.5
# [MORE] Socket Pos: FIXED
# [MORE] Comments: SM GLOB&GD DDR -
# [MORE] Revision No: 0 Rev Date: 910923 Test Date: 90100407
# [MORE] Reflector: DEEP DOME Refractor: SM GLOB&GD
# TILT=NONE
# Bulbs: 1, 10000 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 1.500 ( 0.000 )
# Ballast factor: 1, Input power: 0 W
# Source file: ies/ge8325.ies
# Luminaire flux = 5920 lm,
# 59.2 % of the bulb flux
# between 75 and 90: 0.2 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 0.0 cd/1000lm , 0.0 % 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 36 cd/1000lm,
# 67.5 deg to <72.5 deg: max 14 cd/1000lm,
# maximum spec. lum. intensity 228 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):
0.0 189
5.0 190
10.0 199
15.0 213
20.0 228
25.0 226
30.0 223
35.0 213
40.0 185
45.0 163
50.0 141
55.0 124
60.0 83.7
65.0 35.6
70.0 14.2
75.0 3.6
80.0 0.0
85.0 0.0
90.0 0.0
95.0 0.0
100.0 0.0
105.0 0.0
110.0 0.0
115.0 0.0
120.0 0.0
125.0 0.0
130.0 0.0
135.0 0.0
140.0 0.0
145.0 0.0
150.0 0.0
155.0 0.0
160.0 0.0
165.0 0.0
170.0 0.0
175.0 0.0
180.0 0.0