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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 8982
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DECASHIELD 1000
# [LAMP] MET 1000
# [OTHER] Distribution: CUTOFF FWT
# [MORE] Socket Pos: FIXED
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 930119 Test Date: 92110201
# [MORE] Reflector: 440208-01 FWRD THRW 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/ge8982.ies
# Luminaire flux = 742 lm,
# 74.2 % of the bulb flux
# between 75 and 90: 6.9 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 144.0 cd/1000lm , 1.6 % of the luminaire flux
# 90deg and above: max 0.0 cd/1000lm , 0.0 % of the luminaire flux
# CutOff Type: Fully_Shielded
# 62.5 deg to <67.5 deg: max 614 cd/1000lm,
# 67.5 deg to <72.5 deg: max 525 cd/1000lm,
# maximum spec. lum. intensity 614 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:
0.0 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113 113
5.0 120 120 120 118 118 118 117 117 117 116 116 116 116 116 116 114 114 114 115 115 115 114 114 114 113 113 112 112 111 111 110 108 108 107 107 107
15.0 156 157 156 153 148 142 136 134 132 128 126 125 122 121 120 120 119 118 117 116 115 113 112 110 108 106 106 104 104 104 103 103 103 102 102 102
25.0 181 182 180 184 181 176 167 164 159 150 145 141 132 128 125 119 116 115 112 111 110 109 108 108 106 106 106 104 104 104 102 99.0 96.0 93.0 93.0 93.0
35.0 234 234 236 246 242 222 206 201 195 182 176 168 152 144 136 120 112 110 104 102 101 99.0 98.0 98.0 97.0 97.0 96.0 95.0 94.0 94.0 94.0 93.0 91.0 90.0 89.0 88.0
45.0 296 297 280 258 238 246 226 220 207 182 169 160 143 134 127 113 106 102 94.0 90.0 90.0 88.0 88.0 87.0 85.0 84.0 84.0 84.0 84.0 84.0 84.0 68.0 32.0 16.0 12.0 10.0
55.0 431 433 414 402 402 286 232 214 208 198 192 176 143 127 119 102 94.0 90.0 80.0 76.0 75.0 73.0 72.0 72.0 72.0 72.0 66.0 56.0 50.0 40.0 12.0 6.0 6.0 5.0 4.0 4.0
60.0 475 474 488 508 482 329 254 233 212 194 185 176 162 142 122 99.0 90.0 82.0 72.0 70.0 68.0 65.0 64.0 64.0 63.0 54.0 46.0 30.0 21.0 12.0 7.0 4.0 4.0 2.0 2.0 2.0
62.5 497 494 524 561 522 350 292 264 235 198 186 174 152 136 120 96.0 86.0 76.0 65.0 63.0 61.0 58.0 58.0 58.0 54.0 45.0 36.0 14.0 10.0 6.0 4.0 2.0 2.0 1.0 1.0 1.0
65.0 519 514 561 614 562 372 298 280 262 218 196 174 144 128 114 86.0 76.0 65.0 53.0 51.0 49.0 49.0 49.0 50.0 40.0 32.0 24.0 6.0 6.0 4.0 2.0 1.0 1.0 0.0 0.0 0.0
67.5 440 432 472 525 493 344 298 279 260 210 194 178 132 113 94.0 71.0 62.0 53.0 44.0 42.0 40.0 38.0 38.0 38.0 32.0 22.0 12.0 4.0 3.0 2.0 2.0 0.0 0.0 0.0 0.0 0.0
70.0 360 349 382 436 424 317 319 284 248 193 176 158 114 95.0 76.0 52.0 46.0 40.0 34.0 32.0 30.0 28.0 26.0 25.0 20.0 12.0 4.0 2.0 2.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0
72.5 280 266 292 347 356 290 341 288 234 180 160 140 96.0 81.0 66.0 40.0 35.0 30.0 24.0 24.0 23.0 22.0 19.0 16.0 7.0 4.0 2.0 2.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0
75.0 201 184 202 258 287 262 256 254 252 197 165 133 93.0 78.0 63.0 32.0 28.0 22.0 18.0 17.0 18.0 12.0 11.0 10.0 2.0 2.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
77.5 150 138 152 194 216 197 178 187 196 183 156 130 86.0 65.0 44.0 24.0 20.0 15.0 11.0 11.0 11.0 7.0 6.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
80.0 100 92.0 101 129 144 132 83.0 94.0 104 92.0 84.0 75.0 63.0 48.0 32.0 17.0 13.0 9.0 5.0 4.0 3.0 4.0 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
82.5 50.0 46.0 50.0 64.0 72.0 66.0 14.0 18.0 22.0 26.0 26.0 26.0 22.0 18.0 15.0 8.0 6.0 3.0 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
85.0 0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0 2.0 2.0 2.0 2.0 4.0 2.0 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 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