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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 8438
# [DATE] 04/20/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT31A21
# [LUMINAIRE] WALL WASH DOWNLIGHT /GOLD REFLECTOR
# [LAMP] 150W A21
# TILT=NONE
# Bulbs: 1, 2850 lm each
# Number of measured angles: 19 vertical, 5 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 0.480 0.480 0.000
# Ballast factor: 1, Input power: 150 W
# Source file: rt31a21.ies
# Luminaire flux = 1505 lm,
# 52.8 % of the bulb flux
# between 75 and 90: 0.2 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 2.5 cd/1000lm , 0.1 % 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 11 cd/1000lm,
# 67.5 deg to <72.5 deg: max 6 cd/1000lm,
# maximum spec. lum. intensity 309 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 22.5 45.0 67.5 90.0
#V:
0.0 213 213 213 213 213
5.0 218 219 227 230 232
10.0 223 229 242 244 253
15.0 226 236 261 265 276
20.0 227 248 280 288 295
25.0 228 258 294 303 309
30.0 223 257 293 300 304
35.0 205 238 267 271 271
40.0 175 198 217 213 213
45.0 129 142 153 142 145
50.0 78.9 83.2 85.3 73.0 73.0
55.0 41.1 34.4 33.3 26.0 27.0
60.0 19.6 11.9 10.5 6.0 8.4
65.0 10.9 3.5 3.5 1.4 3.2
70.0 6.0 3.5 3.9 1.4 2.8
75.0 5.3 1.8 1.8 1.1 2.1
80.0 2.5 0.0 1.4 1.1 1.8
85.0 1.1 0.0 1.4 0.0 1.1
90.0 0.0 0.0 0.0 0.0 0.0
# IESNA91
# [TEST] LSI 8438
# [DATE] 04/20/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT31A21
# [LUMINAIRE] WALL WASH DOWNLIGHT /GOLD REFLECTOR
# [LAMP] 150W A21
# TILT=NONE
# Bulbs: 1, 2850 lm each
# Number of measured angles: 19 vertical, 5 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 0.480 0.480 0.000
# Ballast factor: 1, Input power: 150 W
# Source file: rt31a21.ies
# Luminaire flux = 1505 lm,
# 52.8 % of the bulb flux
# between 75 and 90: 0.2 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 2.5 cd / 1000 lm , 0.1 % 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 11 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 6 cd / 1000 lm,
# maximum spec. lum. intensity 309 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 22.5 45.0 67.5 90.0
#V:
0.0 213 213 213 213 213
5.0 218 219 227 230 232
10.0 223 229 242 244 253
15.0 226 236 261 265 276
20.0 227 248 280 288 295
25.0 228 258 294 303 309
30.0 223 257 293 300 304
35.0 205 238 267 271 271
40.0 175 198 217 213 213
45.0 129 142 153 142 145
50.0 78.9 83.2 85.3 73.0 73.0
55.0 41.1 34.4 33.3 26.0 27.0
60.0 19.6 11.9 10.5 6.0 8.4
65.0 10.9 3.5 3.5 1.4 3.2
70.0 6.0 3.5 3.9 1.4 2.8
75.0 5.3 1.8 1.8 1.1 2.1
80.0 2.5 0.0 1.4 1.1 1.8
85.0 1.1 0.0 1.4 0.0 1.1
90.0 0.0 0.0 0.0 0.0 0.0