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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 8987
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DECASHIELD 1000
# [LAMP] MET 1000
# [OTHER] Distribution: FWT CUTOFF
# [MORE] Socket Pos: FIXED
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 930121 Test Date: 92110204
# [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/ge8987.ies
# Luminaire flux = 700 lm,
# 70.0 % of the bulb flux
# between 75 and 90: 8.4 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 171.0 cd/1000lm , 2.1 % 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 537 cd/1000lm,
# 67.5 deg to <72.5 deg: max 480 cd/1000lm,
# maximum spec. lum. intensity 537 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 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0 97.0
5.0 103 104 104 104 104 102 102 102 102 101 101 101 100 100 100 98.0 98.0 98.0 97.0 97.0 97.0 96.0 96.0 96.0 95.0 95.0 95.0 94.0 94.0 94.0 94.0 92.0 92.0 91.0 90.0 90.0
15.0 126 126 125 124 125 122 118 117 116 113 112 111 109 108 107 105 104 103 102 101 100 97.0 96.0 96.0 94.0 94.0 94.0 93.0 93.0 93.0 93.0 94.0 93.0 93.0 93.0 93.0
25.0 169 170 168 171 165 154 140 135 130 121 116 113 108 105 103 98.0 96.0 95.0 93.0 92.0 91.0 89.0 88.0 88.0 90.0 90.0 91.0 94.0 95.0 96.0 98.0 98.0 96.0 92.0 92.0 92.0
35.0 258 258 262 265 234 184 158 149 143 130 124 120 112 108 105 99.0 96.0 94.0 92.0 90.0 89.0 87.0 86.0 86.0 87.0 87.0 88.0 88.0 89.0 89.0 90.0 90.0 90.0 90.0 90.0 90.0
45.0 281 284 314 328 298 229 189 176 170 158 152 143 125 116 110 100 94.0 91.0 84.0 81.0 80.0 79.0 78.0 79.0 80.0 81.0 81.0 82.0 82.0 82.0 82.0 56.0 23.0 12.0 7.0 4.0
55.0 392 399 458 495 336 230 216 211 202 183 174 159 129 114 106 90.0 82.0 78.0 72.0 68.0 68.0 69.0 69.0 70.0 73.0 74.0 68.0 57.0 51.0 42.0 14.0 6.0 4.0 2.0 2.0 2.0
60.0 452 460 498 482 339 260 242 230 219 200 180 160 130 115 100 82.0 74.0 66.0 58.0 58.0 58.0 62.0 63.0 64.0 66.0 54.0 43.0 26.0 19.0 12.0 8.0 3.0 2.0 1.0 1.0 1.0
62.5 482 490 518 476 340 274 250 238 226 189 174 158 141 121 101 74.0 68.0 61.0 52.0 52.0 52.0 56.0 57.0 58.0 51.0 38.0 26.0 12.0 9.0 6.0 5.0 2.0 1.0 0.0 0.0 0.0
65.0 512 520 537 470 342 289 256 236 216 194 174 154 132 116 100 64.0 58.0 50.0 45.0 47.0 49.0 50.0 50.0 48.0 23.0 18.0 14.0 6.0 4.0 4.0 2.0 0.0 0.0 0.0 0.0 0.0
67.5 448 452 480 438 320 290 252 229 206 179 170 160 122 109 96.0 52.0 46.0 40.0 38.0 41.0 44.0 44.0 36.0 28.0 8.0 7.0 6.0 4.0 3.0 2.0 2.0 0.0 0.0 0.0 0.0 0.0
70.0 384 384 422 406 298 290 240 214 189 163 161 159 125 100 76.0 48.0 42.0 35.0 30.0 34.0 37.0 40.0 28.0 15.0 6.0 5.0 4.0 2.0 2.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0
72.5 320 316 364 374 276 291 254 219 184 150 146 142 115 87.0 59.0 37.0 32.0 26.0 22.0 23.0 24.0 23.0 17.0 11.0 5.0 4.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
75.0 257 249 307 342 254 292 312 268 222 142 133 123 78.0 62.0 46.0 24.0 20.0 16.0 12.0 14.0 14.0 11.0 10.0 9.0 2.0 2.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
77.5 192 186 230 256 190 219 214 223 232 162 132 102 54.0 43.0 32.0 18.0 15.0 12.0 8.0 8.0 8.0 6.0 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
80.0 128 124 154 171 127 146 104 117 130 118 108 98.0 54.0 42.0 31.0 14.0 11.0 8.0 5.0 4.0 4.0 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 64.0 62.0 77.0 86.0 64.0 74.0 24.0 29.0 34.0 42.0 42.0 42.0 33.0 25.0 17.0 7.0 6.0 4.0 2.0 2.0 1.0 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
85.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 2.0 2.0 2.0 4.0 4.0 3.0 2.0 2.0 1.0 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
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