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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 8931
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DIMENSION (DMY)
# [LAMP] MET 175-250 / MER 175-250
# [OTHER] Distribution: FWT
# [MORE] Socket Pos: FIXED
# [MORE] Comments: FORWARD THROW YOKE MTG
# [MORE] Revision No: 0 Rev Date: 930412 Test Date: 93022801
# [MORE] Reflector: 440064-01 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/ge8931.ies
# Luminaire flux = 658 lm,
# 65.8 % of the bulb flux
# between 75 and 90: 6.6 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 126.0 cd/1000lm , 1.5 % 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 428 cd/1000lm,
# 67.5 deg to <72.5 deg: max 372 cd/1000lm,
# maximum spec. lum. intensity 428 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:
0.0 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116 116
5.0 116 116 114 102 92.0 86.0 93.0 95.0 100 109 114 114 114 114 114 113 113 113 113 113 113 114 114 114 114 114 114 114 114 114 113 112 114 114 114 114
15.0 134 134 132 130 82.0 108 53.0 35.0 52.0 88.0 105 98.0 83.0 76.0 85.0 103 112 112 111 111 111 110 110 110 112 112 112 114 114 115 118 121 124 122 122 122
25.0 209 207 187 173 163 156 119 107 102 92.0 87.0 84.0 77.0 74.0 80.0 90.0 96.0 98.0 104 106 106 106 106 107 108 109 110 113 114 116 120 121 120 120 118 117
35.0 274 272 248 220 196 179 156 148 134 107 93.0 97.0 104 108 97.0 75.0 64.0 72.0 88.0 96.0 96.0 97.0 97.0 98.0 101 102 104 110 112 115 124 118 109 106 106 106
45.0 264 263 244 230 195 208 192 186 170 137 121 116 107 102 92.0 72.0 62.0 68.0 79.0 85.0 86.0 89.0 90.0 92.0 96.0 98.0 101 107 110 107 98.0 100 106 114 122 126
55.0 354 356 329 266 358 257 216 202 180 135 113 110 103 100 87.0 61.0 48.0 54.0 65.0 71.0 72.0 75.0 76.0 77.0 79.0 80.0 82.0 84.0 86.0 88.0 94.0 96.0 92.0 79.0 81.0 82.0
60.0 378 377 342 318 393 258 212 184 157 110 107 104 99.0 84.0 68.0 40.0 45.0 50.0 58.0 59.0 60.0 57.0 59.0 61.0 66.0 69.0 72.0 80.0 76.0 71.0 59.0 50.0 46.0 40.0 40.0 40.0
62.5 390 388 348 344 410 258 204 184 164 112 104 96.0 106 86.0 65.0 42.0 43.0 44.0 52.0 54.0 56.0 51.0 54.0 56.0 62.0 68.0 75.0 82.0 76.0 70.0 42.0 26.0 23.0 20.0 20.0 20.0
65.0 401 398 355 370 428 258 196 175 152 112 108 102 96.0 79.0 61.0 32.0 35.0 38.0 46.0 46.0 46.0 46.0 50.0 52.0 64.0 70.0 78.0 82.0 72.0 64.0 24.0 3.0 0.0 0.0 0.0 0.0
67.5 364 362 312 323 372 254 196 176 156 122 116 110 92.0 70.0 48.0 35.0 34.0 33.0 41.0 38.0 36.0 38.0 45.0 52.0 72.0 74.0 76.0 64.0 53.0 42.0 18.0 2.0 0.0 0.0 0.0 0.0
70.0 326 325 269 276 316 249 203 178 154 127 116 104 84.0 62.0 40.0 36.0 33.0 30.0 36.0 34.0 33.0 35.0 44.0 52.0 70.0 61.0 52.0 50.0 34.0 17.0 12.0 2.0 0.0 0.0 0.0 0.0
72.5 289 288 226 229 260 244 216 180 144 118 115 112 72.0 53.0 34.0 31.0 26.0 22.0 24.0 25.0 26.0 37.0 44.0 50.0 42.0 40.0 38.0 14.0 11.0 8.0 6.0 1.0 0.0 0.0 0.0 0.0
75.0 252 252 183 182 203 240 214 184 154 122 106 92.0 52.0 41.0 30.0 19.0 16.0 12.0 15.0 14.0 15.0 18.0 18.0 18.0 16.0 12.0 7.0 6.0 4.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0
77.5 189 189 138 136 152 180 214 182 150 102 89.0 76.0 44.0 34.0 24.0 14.0 12.0 9.0 8.0 8.0 8.0 6.0 6.0 6.0 6.0 4.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
80.0 126 126 92.0 91.0 102 120 94.0 101 108 78.0 67.0 56.0 34.0 26.0 18.0 9.0 7.0 5.0 4.0 3.0 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
82.5 63.0 63.0 46.0 46.0 51.0 60.0 8.0 12.0 17.0 23.0 20.0 16.0 15.0 12.0 8.0 3.0 2.0 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 0.0 0.0 0.0 0.0 0.0
85.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 3.0 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