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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 8985
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DECASHIELD 1000
# [LAMP] HPS 750
# [OTHER] Distribution: FWT CUTOFF
# [MORE] Socket Pos: FIXED
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 930119 Test Date: 92110206
# [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/ge8985.ies
# Luminaire flux = 745 lm,
# 74.5 % of the bulb flux
# between 75 and 90: 8.6 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 200.0 cd/1000lm , 2.2 % 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 542 cd/1000lm,
# 67.5 deg to <72.5 deg: max 506 cd/1000lm,
# maximum spec. lum. intensity 542 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:
0.0 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137 137
5.0 140 139 138 138 138 140 140 140 140 140 140 140 142 142 142 140 140 140 138 138 138 136 136 136 134 134 134 133 133 133 132 131 130 129 127 126
15.0 156 156 156 158 156 156 154 153 152 149 148 147 145 144 144 145 145 144 143 142 140 136 134 133 131 130 130 128 128 128 130 128 128 125 125 125
25.0 204 208 204 204 195 179 166 161 157 150 146 143 137 134 132 130 128 128 126 126 124 121 119 119 118 118 118 120 120 120 121 122 120 119 114 112
35.0 275 280 300 306 265 206 178 169 163 152 146 141 131 126 124 119 117 116 114 113 112 111 110 109 108 107 107 108 108 108 108 110 110 112 111 110
45.0 318 323 352 359 300 230 194 182 176 164 158 149 131 122 118 108 104 102 97.0 95.0 94.0 92.0 91.0 91.0 90.0 90.0 90.0 91.0 91.0 92.0 95.0 95.0 46.0 10.0 6.0 4.0
55.0 382 386 436 434 313 232 202 192 186 174 168 152 120 104 98.0 88.0 82.0 80.0 74.0 72.0 72.0 70.0 70.0 70.0 70.0 70.0 66.0 60.0 56.0 45.0 13.0 5.0 4.0 3.0 2.0 2.0
60.0 430 438 489 451 331 249 206 192 179 158 146 133 116 102 88.0 75.0 70.0 64.0 57.0 56.0 56.0 58.0 58.0 57.0 58.0 52.0 46.0 24.0 17.0 10.0 8.0 3.0 2.0 2.0 1.0 0.0
62.5 454 464 516 460 340 258 205 194 184 148 138 129 116 102 88.0 68.0 62.0 56.0 50.0 49.0 48.0 50.0 50.0 51.0 53.0 36.0 20.0 12.0 8.0 4.0 5.0 2.0 2.0 2.0 0.0 -1.0
65.0 479 490 542 468 349 266 209 192 174 150 138 124 107 96.0 86.0 57.0 52.0 48.0 42.0 42.0 43.0 44.0 44.0 44.0 28.0 21.0 12.0 4.0 4.0 2.0 2.0 1.0 1.0 1.0 0.0 0.0
67.5 454 463 506 442 340 270 203 180 158 139 130 122 95.0 82.0 68.0 44.0 40.0 36.0 33.0 34.0 35.0 38.0 36.0 35.0 9.0 8.0 6.0 2.0 2.0 2.0 2.0 0.0 0.0 0.0 0.0 0.0
70.0 430 436 471 416 330 274 191 172 154 122 116 110 80.0 65.0 50.0 35.0 31.0 27.0 24.0 26.0 27.0 30.0 22.0 14.0 6.0 4.0 2.0 2.0 2.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0
72.5 406 409 436 390 320 278 206 176 146 116 108 99.0 70.0 55.0 40.0 26.0 23.0 20.0 17.0 18.0 18.0 20.0 14.0 8.0 4.0 3.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
75.0 381 382 400 364 310 282 243 204 166 110 95.0 80.0 55.0 44.0 34.0 18.0 15.0 12.0 10.0 11.0 12.0 8.0 8.0 7.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
77.5 286 286 300 273 232 212 217 196 175 113 92.0 70.0 40.0 32.0 23.0 13.0 12.0 10.0 6.0 6.0 6.0 6.0 4.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
80.0 190 191 200 182 155 142 106 110 115 90.0 79.0 68.0 36.0 27.0 18.0 10.0 8.0 6.0 4.0 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 0.0 0.0 0.0 0.0
82.5 95.0 96.0 100 91.0 78.0 72.0 28.0 32.0 36.0 36.0 35.0 34.0 20.0 16.0 12.0 5.0 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 0.0
85.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 2.0 2.0 2.0 2.0 2.0 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 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