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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 8978
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DECASHIELD 1000
# [LAMP] MET 1000 (BT37)
# [OTHER] Distribution: M-C-I
# [MORE] Socket Pos: FIXED - 2.687"
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 930129 Test Date: 92100803
# [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/ge8978.ies
# Luminaire flux = 802 lm,
# 80.2 % 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 27.0 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 572 cd/1000lm,
# 67.5 deg to <72.5 deg: max 762 cd/1000lm,
# maximum spec. lum. intensity 762 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
5.0 113 113 114 116 117 118 119 119 119 120 120 120 121 121 121 122 122 122 122 122 122 122 122 122 121 121 121 121 121 121 120 118 116 114 112 111
15.0 142 143 138 134 132 132 135 136 137 140 141 142 146 147 148 150 151 151 150 150 149 148 147 146 144 143 142 139 138 137 133 133 132 122 112 107
25.0 126 128 141 174 204 230 223 221 216 205 200 198 192 190 188 182 180 178 172 170 169 167 166 167 169 170 172 176 178 179 182 172 146 130 112 103
35.0 115 118 165 210 240 230 232 232 228 218 214 209 200 195 190 182 177 174 169 166 165 162 161 161 160 160 160 162 162 163 165 173 174 160 139 128
45.0 100 102 140 162 202 242 261 267 270 275 278 277 276 275 263 239 227 215 192 180 173 159 152 151 149 148 149 151 152 151 149 143 138 137 136 136
55.0 164 153 100 100 122 178 280 314 368 476 530 545 575 590 558 492 460 406 296 242 216 163 137 133 126 122 119 114 111 108 100 90.0 78.0 69.0 67.0 66.0
60.0 214 206 104 90.0 106 142 258 353 448 616 644 672 652 618 584 490 441 392 294 250 206 145 132 120 111 108 106 101 99.0 97.0 94.0 85.0 70.0 60.0 56.0 54.0
62.5 240 232 106 85.0 98.0 124 189 246 302 422 452 481 516 515 514 474 440 405 318 272 225 152 134 116 104 102 100 96.0 95.0 94.0 91.0 82.0 66.0 55.0 50.0 48.0
65.0 265 258 108 80.0 90.0 106 131 154 179 255 305 356 485 528 572 570 541 512 404 338 272 165 138 112 98.0 96.0 95.0 93.0 93.0 93.0 88.0 80.0 62.0 50.0 45.0 42.0
67.5 212 204 88.0 70.0 80.0 89.0 104 113 122 176 255 334 590 671 752 762 716 670 512 418 323 180 143 106 91.0 90.0 88.0 88.0 88.0 89.0 71.0 66.0 50.0 41.0 38.0 36.0
70.0 160 150 69.0 60.0 70.0 72.0 86.0 91.0 96.0 138 229 320 591 656 720 675 618 562 426 340 255 142 110 78.0 70.0 70.0 70.0 72.0 74.0 76.0 54.0 53.0 38.0 32.0 30.0 29.0
72.5 107 96.0 50.0 50.0 60.0 55.0 70.0 68.0 66.0 76.0 124 173 318 343 368 337 312 286 214 169 124 60.0 45.0 30.0 24.0 24.0 25.0 30.0 33.0 36.0 37.0 40.0 26.0 23.0 23.0 23.0
75.0 54.0 43.0 30.0 39.0 50.0 38.0 22.0 20.0 18.0 24.0 40.0 56.0 112 124 136 128 120 112 84.0 66.0 48.0 26.0 20.0 16.0 13.0 13.0 13.0 12.0 12.0 14.0 20.0 26.0 15.0 14.0 16.0 17.0
77.5 40.0 32.0 22.0 30.0 38.0 28.0 6.0 6.0 6.0 8.0 13.0 18.0 30.0 34.0 39.0 42.0 40.0 39.0 30.0 24.0 18.0 12.0 10.0 9.0 8.0 7.0 6.0 6.0 7.0 8.0 15.0 20.0 12.0 10.0 12.0 13.0
80.0 27.0 22.0 15.0 20.0 25.0 19.0 2.0 2.0 2.0 2.0 3.0 4.0 7.0 8.0 10.0 10.0 10.0 10.0 8.0 7.0 6.0 4.0 4.0 3.0 3.0 3.0 3.0 3.0 4.0 4.0 10.0 13.0 8.0 7.0 8.0 8.0
82.5 14.0 11.0 8.0 10.0 12.0 10.0 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 2.0 1.0 1.0 1.0 0.0 0.0 0.0 1.0 1.0 1.0 5.0 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