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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 10000
# [DATE] 07/08/93
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT120RFL
# [LUMINAIRE] R-LAMP CLEAR REFLECTOR /FLOOD
# [LAMP] 75W PAR FLD
# TILT=NONE
# Bulbs: 1, 1150 lm each
# Number of measured angles: 19 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 0.500 ( 0.000 )
# Ballast factor: 1, Input power: 75 W
# NONSENSE SUMMARY RESULTS of ies2tab: output flux is to be under 100 %!
# Source file: rt120rfl.ies
# Luminaire flux = 1152 lm,
# 100.1 % of the bulb flux
# between 75 and 90: 0.0 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 0.0 cd/1000lm , 0.0 % 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 0 cd/1000lm,
# 67.5 deg to <72.5 deg: max 0 cd/1000lm,
# maximum spec. lum. intensity 2024 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):
0.0 2024
5.0 1982
10.0 1739
15.0 1383
20.0 982
25.0 637
30.0 382
35.0 172
40.0 62.6
45.0 31.3
50.0 15.7
55.0 3.5
60.0 0.0
65.0 0.0
70.0 0.0
75.0 0.0
80.0 0.0
85.0 0.0
90.0 0.0
# IESNA91
# [TEST] LSI 10000
# [DATE] 07/08/93
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT120RFL
# [LUMINAIRE] R-LAMP CLEAR REFLECTOR /FLOOD
# [LAMP] 75W PAR FLD
# TILT=NONE
# Bulbs: 1, 1150 lm each
# Number of measured angles: 19 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 0.500 ( 0.000 )
# Ballast factor: 1, Input power: 75 W
# NONSENSE SUMMARY RESULTS of ies2tab: output flux is to be under 100 %!
# Source file: rt120rfl.ies
# Luminaire flux = 1152 lm,
# 100.1 % of the bulb flux
# between 75 and 90: 0.0 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 0.0 cd / 1000 lm , 0.0 % 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 0 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 0 cd / 1000 lm,
# maximum spec. lum. intensity 2024 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):
0.0 2024
5.0 1982
10.0 1739
15.0 1383
20.0 982
25.0 637
30.0 382
35.0 172
40.0 62.6
45.0 31.3
50.0 15.7
55.0 3.5
60.0 0.0
65.0 0.0
70.0 0.0
75.0 0.0
80.0 0.0
85.0 0.0
90.0 0.0