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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] LSI 10246
# [DATE] 08/19/91
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] JB525
# [LUMINAIRE] 20.5" AREA CUTOFF / FORWARD THROW
# [LAMP] 250 WATT HPS
# TILT=NONE
# Bulbs: 1, 27500 lm each
# Number of measured angles: 19 vertical, 21 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 1.160 0.830 0.000
# Ballast factor: 1, Input power: 300 W
# Source file: jb525.ies
# Luminaire flux = 16247 lm,
# 59.1 % of the bulb flux
# between 75 and 90: 1.6 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 19.5 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 421 cd/1000lm,
# 67.5 deg to <72.5 deg: max 223 cd/1000lm,
# maximum spec. lum. intensity 580 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:
0.0 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160
5.0 174 173 173 170 168 167 164 164 161 160 159 158 157 156 154 153 151 152 154 152 154
10.0 188 187 188 181 178 176 171 167 163 159 158 156 153 151 149 148 147 146 148 147 150
15.0 207 206 205 198 191 185 178 171 164 158 155 153 150 147 145 145 144 144 146 145 147
20.0 223 222 222 215 206 198 185 174 164 156 153 150 145 143 143 143 141 141 144 143 145
25.0 224 222 224 218 215 209 193 177 163 152 147 143 139 138 139 139 137 134 134 132 135
30.0 257 258 251 229 216 212 200 177 159 143 138 134 131 132 133 130 126 122 116 106 105
35.0 261 261 263 255 243 221 202 174 150 133 126 124 121 123 123 119 100 51.6 30.5 26.1 25.7
40.0 238 236 235 238 242 241 201 161 134 119 113 109 109 113 111 79.9 25.9 22.6 22.1 21.6 22.2
45.0 252 253 243 226 217 228 193 128 119 104 97.5 93.9 94.3 97.6 124 22.6 20.2 19.0 18.3 17.7 17.9
50.0 300 302 282 247 215 193 161 124 109 95.8 84.1 80.8 80.8 84.1 20.8 18.3 16.8 15.0 13.9 12.6 12.3
55.0 423 421 381 308 241 185 142 110 97.9 84.3 72.1 69.7 67.1 44.2 14.0 13.8 11.9 3.1 3.1 1.8 1.5
60.0 580 569 538 434 311 205 139 102 85.0 63.9 57.2 59.6 54.1 12.0 5.4 7.2 1.7 1.1 0.8 0.7 0.7
65.0 392 374 405 421 393 246 144 93.0 66.6 44.8 40.4 41.8 35.8 7.3 3.9 1.2 0.8 0.6 0.5 0.2 0.2
70.0 159 144 174 205 223 210 127 65.0 37.7 19.3 15.5 15.4 8.0 3.2 0.9 0.6 0.5 0.3 0.1 0.2 0.2
75.0 50.8 47.3 48.4 48.7 51.6 57.3 62.6 42.2 22.3 10.2 6.8 6.3 2.7 0.6 0.3 0.2 0.1 0.1 0.0 0.0 0.0
80.0 19.5 17.6 17.7 16.5 14.1 11.9 11.5 15.8 2.3 3.3 2.0 1.3 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
85.0 3.8 3.1 3.4 2.7 2.3 1.9 1.5 1.1 0.7 0.1 0.1 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
# IESNA91
# [TEST] LSI 10246
# [DATE] 08/19/91
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] JB525
# [LUMINAIRE] 20.5" AREA CUTOFF / FORWARD THROW
# [LAMP] 250 WATT HPS
# TILT=NONE
# Bulbs: 1, 27500 lm each
# Number of measured angles: 19 vertical, 21 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 1.160 0.830 0.000
# Ballast factor: 1, Input power: 300 W
# Source file: jb525.ies
# Luminaire flux = 16247 lm,
# 59.1 % of the bulb flux
# between 75 and 90: 1.6 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 19.5 cd / 1000 lm , 0.3 % of the luminaire flux
# 90deg and above: max 0.0 cd / 1000 lm , 0.0 % of the luminaire flux
# CutOff Type: Full_CutOff
# 62.5 deg to <67.5 deg: max 421 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 223 cd / 1000 lm,
# maximum spec. lum. intensity 580 cd / 1000 lm
# 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:
0.0 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160 160
5.0 174 173 173 170 168 167 164 164 161 160 159 158 157 156 154 153 151 152 154 152 154
10.0 188 187 188 181 178 176 171 167 163 159 158 156 153 151 149 148 147 146 148 147 150
15.0 207 206 205 198 191 185 178 171 164 158 155 153 150 147 145 145 144 144 146 145 147
20.0 223 222 222 215 206 198 185 174 164 156 153 150 145 143 143 143 141 141 144 143 145
25.0 224 222 224 218 215 209 193 177 163 152 147 143 139 138 139 139 137 134 134 132 135
30.0 257 258 251 229 216 212 200 177 159 143 138 134 131 132 133 130 126 122 116 106 105
35.0 261 261 263 255 243 221 202 174 150 133 126 124 121 123 123 119 100 51.6 30.5 26.1 25.7
40.0 238 236 235 238 242 241 201 161 134 119 113 109 109 113 111 79.9 25.9 22.6 22.1 21.6 22.2
45.0 252 253 243 226 217 228 193 128 119 104 97.5 93.9 94.3 97.6 124 22.6 20.2 19.0 18.3 17.7 17.9
50.0 300 302 282 247 215 193 161 124 109 95.8 84.1 80.8 80.8 84.1 20.8 18.3 16.8 15.0 13.9 12.6 12.3
55.0 423 421 381 308 241 185 142 110 97.9 84.3 72.1 69.7 67.1 44.2 14.0 13.8 11.9 3.1 3.1 1.8 1.5
60.0 580 569 538 434 311 205 139 102 85.0 63.9 57.2 59.6 54.1 12.0 5.4 7.2 1.7 1.1 0.8 0.7 0.7
65.0 392 374 405 421 393 246 144 93.0 66.6 44.8 40.4 41.8 35.8 7.3 3.9 1.2 0.8 0.6 0.5 0.2 0.2
70.0 159 144 174 205 223 210 127 65.0 37.7 19.3 15.5 15.4 8.0 3.2 0.9 0.6 0.5 0.3 0.1 0.2 0.2
75.0 50.8 47.3 48.4 48.7 51.6 57.3 62.6 42.2 22.3 10.2 6.8 6.3 2.7 0.6 0.3 0.2 0.1 0.1 0.0 0.0 0.0
80.0 19.5 17.6 17.7 16.5 14.1 11.9 11.5 15.8 2.3 3.3 2.0 1.3 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
85.0 3.8 3.1 3.4 2.7 2.3 1.9 1.5 1.1 0.7 0.1 0.1 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