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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 8979
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DECASHIELD 1000
# [LAMP] HPS 750
# [OTHER] Distribution: M-C-II
# [MORE] Socket Pos: FIXED + 2-5/8"
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 930129 Test Date: 92100902
# [MORE] Reflector: 232714-02 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/ge8979.ies
# Luminaire flux = 831 lm,
# 83.1 % of the bulb flux
# between 75 and 90: 1.9 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 24.0 cd/1000lm , 0.3 % 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 493 cd/1000lm,
# 67.5 deg to <72.5 deg: max 698 cd/1000lm,
# maximum spec. lum. intensity 698 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:
0.0 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138 138
5.0 140 138 139 138 140 143 143 143 143 143 143 143 144 144 144 145 145 145 146 146 146 144 144 144 145 145 145 144 144 144 146 142 143 140 139 138
15.0 151 151 154 157 158 162 162 162 164 166 168 168 170 170 170 168 168 167 165 164 163 161 160 159 158 157 156 153 152 152 152 150 146 142 134 130
25.0 137 138 154 184 207 238 253 258 250 236 228 223 213 208 205 198 195 193 188 186 186 184 184 183 181 180 182 185 187 189 194 170 149 138 128 123
35.0 120 123 152 179 206 212 232 238 241 247 250 246 239 235 228 216 209 203 192 186 184 180 178 178 180 180 179 177 176 175 172 176 170 151 138 132
45.0 98.0 102 123 141 170 205 227 234 240 253 259 266 279 286 282 275 271 256 227 212 202 180 170 168 162 160 159 157 156 155 151 144 140 136 136 136
55.0 134 123 88.0 93.0 126 170 231 251 282 344 375 415 494 534 532 528 526 484 400 358 312 221 175 164 143 132 128 120 116 112 102 90.0 80.0 72.0 70.0 69.0
60.0 166 158 88.0 78.0 102 144 262 343 424 554 579 604 600 584 569 520 488 456 380 338 295 212 182 153 128 123 118 108 106 103 96.0 83.0 71.0 62.0 60.0 59.0
62.5 182 176 88.0 71.0 90.0 131 299 366 433 492 492 493 484 474 463 436 420 404 354 322 291 218 188 157 126 119 112 104 101 98.0 92.0 80.0 66.0 57.0 56.0 56.0
65.0 197 193 88.0 64.0 78.0 118 228 260 294 340 360 379 412 427 442 454 456 458 427 393 360 257 214 170 123 115 108 102 99.0 97.0 89.0 76.0 62.0 52.0 51.0 50.0
67.5 160 156 73.0 54.0 68.0 98.0 130 148 167 238 297 356 460 496 532 592 604 616 572 519 466 315 248 181 119 112 104 98.0 96.0 94.0 72.0 64.0 51.0 42.0 42.0 42.0
70.0 123 118 58.0 44.0 57.0 78.0 94.0 108 122 222 320 418 581 634 686 698 673 648 552 495 438 288 226 164 108 100 93.0 88.0 86.0 85.0 54.0 51.0 40.0 33.0 34.0 34.0
72.5 86.0 80.0 43.0 34.0 46.0 58.0 74.0 81.0 88.0 172 245 318 432 440 449 400 374 348 284 246 208 120 92.0 64.0 44.0 43.0 42.0 46.0 48.0 50.0 36.0 38.0 29.0 24.0 26.0 27.0
75.0 49.0 42.0 28.0 25.0 36.0 38.0 32.0 31.0 30.0 51.0 80.0 109 152 153 155 148 142 135 110 94.0 78.0 44.0 35.0 25.0 16.0 16.0 14.0 12.0 12.0 12.0 18.0 26.0 18.0 14.0 18.0 20.0
77.5 36.0 32.0 21.0 18.0 27.0 28.0 4.0 6.0 8.0 15.0 23.0 31.0 42.0 45.0 48.0 48.0 47.0 46.0 36.0 30.0 25.0 17.0 14.0 12.0 9.0 8.0 8.0 7.0 8.0 8.0 14.0 20.0 14.0 10.0 14.0 16.0
80.0 24.0 21.0 14.0 12.0 18.0 19.0 3.0 3.0 3.0 4.0 6.0 7.0 10.0 10.0 11.0 12.0 12.0 11.0 9.0 8.0 8.0 6.0 5.0 4.0 4.0 4.0 4.0 3.0 4.0 4.0 9.0 13.0 9.0 7.0 9.0 10.0
82.5 12.0 10.0 7.0 6.0 9.0 10.0 0.0 0.0 0.0 0.0 0.0 1.0 1.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.0 0.0 0.0 4.0 6.0 4.0 4.0 4.0 4.0
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