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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 8981
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DECASHIELD 1000
# [LAMP] MET 1000
# [OTHER] Distribution: S-C-II
# [MORE] Socket Pos: FIXED 3-1/8"
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 930129 Test Date: 92101602
# [MORE] Reflector: 232714 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/ge8981.ies
# Luminaire flux = 786 lm,
# 78.6 % of the bulb flux
# between 75 and 90: 1.0 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 14.0 cd/1000lm , 0.2 % 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 767 cd/1000lm,
# 67.5 deg to <72.5 deg: max 652 cd/1000lm,
# maximum spec. lum. intensity 802 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:
0.0 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122 122
5.0 127 126 128 129 129 130 132 132 132 133 133 134 134 135 135 136 136 136 135 135 135 135 135 135 134 134 134 132 132 131 129 126 123 120 118 117
15.0 157 159 158 152 148 144 146 146 146 146 146 146 146 146 146 147 147 147 148 148 148 147 147 146 145 144 144 142 142 142 140 140 138 136 130 127
25.0 141 141 144 160 174 184 188 189 188 185 184 181 176 173 172 169 168 168 166 166 167 169 170 172 175 177 179 184 186 183 175 162 153 142 132 127
35.0 127 129 144 181 204 200 206 208 204 195 191 187 178 174 175 176 177 177 176 176 174 168 166 164 162 160 159 158 157 157 158 166 160 152 155 156
45.0 114 114 138 162 196 223 240 246 252 264 270 268 265 263 250 224 211 201 180 170 164 152 146 144 142 140 138 134 132 130 122 116 119 120 114 111
55.0 222 200 120 108 156 256 516 602 652 752 802 774 720 692 616 464 388 329 212 153 146 131 124 124 122 122 120 114 112 110 102 110 96.0 78.0 73.0 70.0
60.0 238 222 140 98.0 125 192 481 504 527 538 548 559 558 536 514 441 386 332 210 174 138 118 117 116 115 112 110 106 104 102 96.0 101 84.0 70.0 70.0 70.0
62.5 246 232 150 93.0 110 160 288 314 340 424 487 550 618 615 612 570 506 441 256 199 142 112 109 106 104 103 102 100 99.0 98.0 94.0 96.0 78.0 66.0 69.0 70.0
65.0 255 243 160 88.0 94.0 128 170 198 227 384 500 615 732 749 767 715 628 542 277 206 136 106 102 98.0 94.0 92.0 90.0 90.0 90.0 90.0 91.0 92.0 72.0 62.0 68.0 71.0
67.5 198 188 125 72.0 77.0 99.0 116 144 171 333 442 550 652 648 644 558 482 406 202 150 98.0 70.0 67.0 64.0 62.0 62.0 63.0 64.0 66.0 68.0 72.0 72.0 56.0 50.0 56.0 59.0
70.0 142 134 90.0 57.0 60.0 70.0 90.0 102 115 197 262 328 368 345 322 268 229 190 98.0 74.0 50.0 35.0 32.0 30.0 28.0 28.0 28.0 29.0 30.0 32.0 52.0 52.0 41.0 38.0 44.0 47.0
72.5 85.0 80.0 56.0 42.0 43.0 41.0 32.0 34.0 36.0 70.0 100 129 147 138 130 104 89.0 74.0 42.0 34.0 26.0 20.0 20.0 19.0 18.0 17.0 16.0 16.0 16.0 16.0 32.0 32.0 26.0 26.0 32.0 35.0
75.0 28.0 25.0 21.0 26.0 26.0 12.0 10.0 12.0 14.0 22.0 28.0 36.0 43.0 43.0 42.0 36.0 32.0 28.0 19.0 17.0 14.0 12.0 12.0 12.0 10.0 10.0 9.0 9.0 9.0 10.0 12.0 12.0 10.0 14.0 19.0 22.0
77.5 21.0 18.0 16.0 20.0 20.0 9.0 4.0 4.0 5.0 6.0 8.0 10.0 14.0 14.0 14.0 14.0 12.0 11.0 9.0 8.0 8.0 7.0 7.0 7.0 6.0 6.0 5.0 5.0 6.0 6.0 9.0 9.0 8.0 10.0 14.0 16.0
80.0 14.0 12.0 10.0 13.0 13.0 6.0 2.0 2.0 2.0 2.0 2.0 3.0 3.0 3.0 3.0 4.0 4.0 3.0 4.0 4.0 3.0 3.0 3.0 3.0 2.0 2.0 2.0 2.0 2.0 2.0 6.0 6.0 5.0 7.0 10.0 12.0
82.5 7.0 6.0 5.0 6.0 6.0 3.0 1.0 1.0 1.0 1.0 2.0 2.0 2.0 2.0 2.0 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 3.0 3.0 2.0 4.0 5.0 6.0
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