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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 8831
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE WALLIGHTER 250 CUTOFF
# [LAMP] MET 250
# [OTHER] Distribution: S-C-III
# [MORE] Socket Pos: HORIZONTAL
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 950113 Test Date: 92031304
# [MORE] Reflector: 440104-01 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/ge8831.ies
# Luminaire flux = 511 lm,
# 51.1 % of the bulb flux
# between 75 and 90: 1.8 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 43.0 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 170 cd/1000lm,
# 67.5 deg to <72.5 deg: max 122 cd/1000lm,
# maximum spec. lum. intensity 374 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:
0.0 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181 181
5.0 339 335 330 320 312 302 291 287 281 268 262 254 238 230 222 207 199 191 176 168 161 147 140 136 126 122 120 116 114 113 110 108 106 106 105 104
15.0 322 320 318 318 319 338 340 340 340 339 339 331 315 307 291 258 242 218 168 144 137 123 116 121 131 136 130 118 112 106 88.0 76.0 74.0 80.0 84.0 86.0
25.0 285 284 302 318 302 328 310 304 308 314 318 315 309 306 294 272 260 227 161 128 122 112 106 102 92.0 88.0 82.0 72.0 66.0 60.0 42.0 28.0 23.0 20.0 19.0 18.0
35.0 373 374 357 307 266 258 262 264 264 266 266 260 247 241 241 242 242 206 132 96.0 88.0 70.0 62.0 56.0 45.0 39.0 35.0 28.0 24.0 22.0 18.0 12.0 9.0 6.0 6.0 6.0
45.0 157 158 161 228 283 248 228 221 215 204 198 198 198 198 201 208 211 184 129 102 86.0 56.0 40.0 34.0 20.0 14.0 13.0 11.0 10.0 10.0 8.0 13.0 14.0 10.0 10.0 10.0
55.0 239 231 222 216 190 130 164 176 170 160 154 158 164 168 158 140 130 107 61.0 38.0 33.0 23.0 18.0 15.0 10.0 7.0 7.0 6.0 6.0 6.0 5.0 4.0 3.0 2.0 2.0 2.0
60.0 178 174 188 182 159 109 103 108 114 142 124 106 104 105 106 108 97.0 86.0 39.0 30.0 20.0 14.0 11.0 8.0 6.0 6.0 5.0 6.0 6.0 6.0 2.0 2.0 2.0 1.0 1.0 1.0
62.5 147 146 170 164 144 98.0 84.0 80.0 76.0 92.0 94.0 95.0 96.0 96.0 97.0 102 98.0 95.0 42.0 30.0 18.0 12.0 9.0 6.0 6.0 6.0 6.0 6.0 5.0 4.0 1.0 1.0 1.0 0.0 0.0 0.0
65.0 116 118 153 147 128 88.0 76.0 73.0 70.0 67.0 74.0 80.0 84.0 81.0 78.0 91.0 92.0 92.0 30.0 21.0 12.0 8.0 6.0 4.0 4.0 5.0 6.0 4.0 3.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0
67.5 92.0 94.0 122 122 118 80.0 91.0 78.0 65.0 58.0 59.0 60.0 72.0 72.0 72.0 64.0 67.0 70.0 22.0 16.0 9.0 4.0 4.0 4.0 5.0 4.0 4.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
70.0 68.0 69.0 90.0 98.0 107 71.0 83.0 74.0 64.0 56.0 53.0 50.0 44.0 45.0 46.0 46.0 46.0 46.0 22.0 14.0 7.0 2.0 3.0 4.0 4.0 3.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
72.5 44.0 44.0 58.0 74.0 96.0 62.0 68.0 64.0 60.0 50.0 44.0 38.0 32.0 33.0 34.0 35.0 38.0 40.0 18.0 11.0 4.0 1.0 1.0 1.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
75.0 19.0 20.0 26.0 50.0 86.0 54.0 30.0 38.0 47.0 40.0 34.0 30.0 26.0 26.0 25.0 24.0 25.0 26.0 12.0 6.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
77.5 14.0 15.0 20.0 38.0 64.0 40.0 30.0 24.0 18.0 24.0 20.0 16.0 10.0 10.0 10.0 8.0 8.0 8.0 4.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
80.0 10.0 10.0 13.0 25.0 43.0 27.0 12.0 10.0 8.0 4.0 3.0 2.0 6.0 6.0 6.0 4.0 4.0 4.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
82.5 5.0 5.0 6.0 12.0 22.0 14.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 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