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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 8439
# [DATE] 04/13/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT31F
# [LUMINAIRE] WALL WASH DOWNLIGHT /GOLD REFLECTOR
# [LAMP] 13W FL
# TILT=NONE
# Bulbs: 1, 900 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: 18 W
# Source file: rt31f.ies
# Luminaire flux = 396 lm,
# 44.0 % 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 1.1 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 6 cd/1000lm,
# 67.5 deg to <72.5 deg: max 3 cd/1000lm,
# maximum spec. lum. intensity 342 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:
0.0 317 317 317 317 317
5.0 308 323 324 342 342
10.0 283 322 310 338 337
15.0 249 301 289 303 312
20.0 223 280 278 268 290
25.0 208 264 266 248 271
30.0 186 241 241 228 243
35.0 153 200 197 192 197
40.0 114 149 143 144 142
45.0 75.6 95.6 87.8 92.2 86.7
50.0 41.1 48.9 41.1 47.8 40.0
55.0 20.0 20.0 14.4 18.9 13.3
60.0 10.0 6.7 3.3 5.6 3.3
65.0 5.6 3.3 2.2 2.2 2.2
70.0 3.3 2.2 1.1 2.2 2.2
75.0 2.2 1.1 1.1 1.1 1.1
80.0 1.1 1.1 1.1 1.1 1.1
85.0 0.0 0.0 0.0 0.0 0.0
90.0 0.0 0.0 0.0 0.0 0.0
# IESNA91
# [TEST] LSI 8439
# [DATE] 04/13/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT31F
# [LUMINAIRE] WALL WASH DOWNLIGHT /GOLD REFLECTOR
# [LAMP] 13W FL
# TILT=NONE
# Bulbs: 1, 900 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: 18 W
# Source file: rt31f.ies
# Luminaire flux = 396 lm,
# 44.0 % 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 1.1 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 6 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 3 cd / 1000 lm,
# maximum spec. lum. intensity 342 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:
0.0 317 317 317 317 317
5.0 308 323 324 342 342
10.0 283 322 310 338 337
15.0 249 301 289 303 312
20.0 223 280 278 268 290
25.0 208 264 266 248 271
30.0 186 241 241 228 243
35.0 153 200 197 192 197
40.0 114 149 143 144 142
45.0 75.6 95.6 87.8 92.2 86.7
50.0 41.1 48.9 41.1 47.8 40.0
55.0 20.0 20.0 14.4 18.9 13.3
60.0 10.0 6.7 3.3 5.6 3.3
65.0 5.6 3.3 2.2 2.2 2.2
70.0 3.3 2.2 1.1 2.2 2.2
75.0 2.2 1.1 1.1 1.1 1.1
80.0 1.1 1.1 1.1 1.1 1.1
85.0 0.0 0.0 0.0 0.0 0.0
90.0 0.0 0.0 0.0 0.0 0.0