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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 8875
# [MANUFAC] GE Lighting Systems - Hendersonville NC USA
# [LUMCAT] (not specific to a single catalog number)
# [LUMINAIRE] GE DIMENSION (DMA)
# [LAMP] HPS 50-150
# [OTHER] Distribution: M-C-III
# [MORE] Socket Pos: B + 1.5"
# [MORE] Comments: - -
# [MORE] Revision No: 0 Rev Date: 930412 Test Date: 91071810
# [MORE] Reflector: 440088-01 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/ge8875.ies
# Luminaire flux = 819 lm,
# 81.9 % of the bulb flux
# between 75 and 90: 2.4 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 31.0 cd/1000lm , 0.4 % 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 301 cd/1000lm,
# 67.5 deg to <72.5 deg: max 335 cd/1000lm,
# maximum spec. lum. intensity 335 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:
0.0 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182 182
5.0 183 182 182 181 182 182 181 181 181 181 181 181 180 180 180 182 182 182 181 181 181 180 180 180 180 180 180 180 180 180 180 180 180 180 180 180
15.0 179 180 182 183 184 184 184 184 184 182 182 183 184 185 185 186 186 186 187 187 187 186 186 185 184 183 182 181 180 180 180 180 179 178 175 174
25.0 170 172 180 186 188 184 182 181 182 184 185 187 192 194 196 202 204 204 202 202 200 198 196 195 192 191 190 189 188 187 184 182 182 184 180 178
35.0 152 158 184 205 204 196 191 189 189 188 188 190 194 196 196 198 198 197 195 194 192 188 186 184 182 180 180 180 180 180 182 184 184 190 204 211
45.0 197 196 220 244 268 246 220 212 208 202 198 198 198 198 198 196 196 194 188 186 182 176 172 169 163 160 160 160 160 161 165 166 162 164 180 188
55.0 221 217 206 252 288 280 274 272 270 265 263 257 244 238 235 230 227 221 208 202 192 174 164 158 146 140 139 137 136 136 136 135 127 118 116 115
60.0 150 152 156 181 214 227 256 256 255 254 250 245 242 245 248 252 250 248 238 227 216 186 172 157 138 132 127 121 120 118 114 110 100 92.0 90.0 89.0
62.5 114 120 131 146 177 200 239 250 260 264 263 262 262 266 270 275 274 272 260 246 232 194 176 158 134 128 122 114 111 108 103 97.0 87.0 80.0 76.0 74.0
65.0 79.0 88.0 106 110 140 174 234 256 277 292 293 294 296 298 300 301 297 294 278 260 243 198 177 157 130 122 116 106 104 100 92.0 84.0 74.0 67.0 63.0 61.0
67.5 64.0 71.0 86.0 90.0 116 146 214 244 274 312 319 326 328 328 328 316 307 298 277 260 242 194 172 150 122 115 108 98.0 95.0 92.0 74.0 65.0 58.0 52.0 50.0 49.0
70.0 48.0 54.0 65.0 71.0 91.0 118 190 221 252 307 320 334 335 330 324 308 297 286 256 237 218 176 156 136 111 104 97.0 88.0 84.0 81.0 55.0 46.0 41.0 38.0 38.0 38.0
72.5 32.0 36.0 44.0 52.0 66.0 90.0 156 188 220 270 282 294 296 287 278 250 238 226 200 184 168 138 124 110 91.0 86.0 82.0 74.0 72.0 69.0 36.0 28.0 24.0 24.0 25.0 26.0
75.0 17.0 19.0 24.0 32.0 42.0 62.0 114 138 160 173 169 164 154 146 138 120 112 106 90.0 80.0 70.0 50.0 40.0 32.0 25.0 26.0 24.0 25.0 24.0 24.0 18.0 9.0 8.0 10.0 12.0 13.0
77.5 12.0 14.0 18.0 24.0 32.0 46.0 36.0 44.0 53.0 70.0 74.0 77.0 75.0 70.0 66.0 59.0 56.0 52.0 45.0 40.0 36.0 26.0 22.0 18.0 12.0 11.0 10.0 8.0 8.0 8.0 14.0 6.0 6.0 8.0 9.0 10.0
80.0 8.0 10.0 12.0 16.0 21.0 31.0 12.0 16.0 20.0 26.0 28.0 30.0 28.0 26.0 24.0 20.0 19.0 18.0 17.0 16.0 14.0 10.0 9.0 8.0 6.0 5.0 4.0 4.0 4.0 4.0 9.0 4.0 4.0 5.0 6.0 6.0
82.5 4.0 5.0 6.0 8.0 10.0 16.0 4.0 4.0 5.0 6.0 6.0 7.0 6.0 6.0 6.0 4.0 4.0 4.0 4.0 4.0 4.0 2.0 2.0 2.0 2.0 2.0 1.0 1.0 1.0 1.0 4.0 2.0 2.0 2.0 3.0 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