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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.
# REPORT # : LRL 1094-6B
# MANUFACTURE : ARCHITECTURAL AREA LIGHTING
# CATALOG # : PRM2-H4
# 24" DIA X 26" DEEP UNIT W/SPECULAR TYPE IV REFL & HAMMERTONE
# AUXILIARY REFL. 20" DIA X 3" DEEP CLEAR GLASS LENS
# HORIZONTAL LAMP. TOTAL WATTS = 295
# LAMP TYPE : 1 - 250-W CLR MH
# LAMP LUMENS : 20500
# TILT=NONE
# Bulbs: 1, 20500 lm each
# (luminous intensites divided by 10.00 in the original ies file)
# Number of measured angles: 20 vertical, 21 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 0.000 0.000 0.000
# Ballast factor: 1, Input power: 295 W
# Source file: prm4h4.ies
# Luminaire flux = 1356 raw, for the given bulb(s) it would be 13556 lm,
# 66.1 % of the bulb flux
# between 75 and 90: 4.4 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 23.9 cd/1000lm , 0.5 % 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 508 cd/1000lm,
# 67.5 deg to <72.5 deg: max 489 cd/1000lm,
# maximum spec. lum. intensity 508 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 55.0 65.0 75.0 85.0 90.0 95.0 105.0 115.0 125.0 135.0 145.0 155.0 165.0 175.0 180.0
#V:
0.0 107 107 107 107 107 107 107 107 107 107 107 107 107 107 107 107 107 107 107 107 107
5.0 113 113 113 113 112 112 110 110 109 109 108 107 106 106 105 105 104 104 103 103 103
15.0 131 131 131 128 126 123 119 115 111 108 106 105 104 101 99.5 98.0 97.6 96.6 96.1 96.6 96.6
25.0 150 148 143 136 129 122 117 112 107 104 102 101 100 97.6 95.1 93.7 92.7 91.7 90.2 89.3 88.8
35.0 170 167 161 150 139 128 123 118 112 107 104 104 102 99.0 95.1 90.7 86.8 84.4 83.9 83.4 82.9
45.0 180 176 167 154 150 156 154 148 139 123 115 112 105 100 93.2 84.9 81.0 78.0 76.1 75.6 75.1
55.0 158 157 154 179 211 253 248 240 229 174 146 137 119 108 100 93.2 86.3 79.0 70.7 68.3 67.3
60.0 174 182 200 253 299 337 276 244 243 165 127 121 110 101 93.7 87.3 80.5 72.2 62.4 58.5 56.6
62.5 191 204 230 272 336 422 305 236 216 152 120 116 108 99.5 92.2 86.3 77.6 67.8 57.6 54.1 52.7
65.0 209 226 260 291 374 508 335 228 188 138 113 110 105 97.1 90.7 85.4 74.1 63.4 52.7 49.8 48.3
67.5 228 239 261 272 348 489 320 218 180 133 109 107 102 92.7 82.9 73.2 61.0 50.2 42.0 42.9 43.4
70.0 247 252 262 253 321 469 306 207 172 127 105 103 99.0 88.3 75.6 60.5 47.3 37.1 30.7 36.1 38.5
72.5 176 181 192 188 259 403 271 181 132 86.8 64.4 61.5 56.6 52.2 45.9 38.0 30.7 25.9 23.9 27.8 30.2
75.0 105 111 121 123 196 337 237 155 91.7 46.3 23.4 20.5 14.1 15.6 16.1 15.1 13.7 14.1 16.6 20.0 21.5
77.5 60.0 62.9 68.3 68.8 106 180 126 82.9 51.2 26.8 14.6 12.7 9.8 10.7 11.2 10.7 9.8 10.7 12.7 15.6 17.1
80.0 14.6 15.1 15.6 13.7 16.6 23.9 15.1 10.7 10.2 6.8 5.4 5.4 4.9 5.4 5.9 6.3 5.9 6.8 8.8 11.2 12.7
82.5 8.3 8.3 8.8 7.8 8.8 12.7 8.3 5.9 5.9 4.4 3.4 3.4 3.4 3.4 3.9 3.9 3.9 4.4 5.4 6.3 7.3
85.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
87.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
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