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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 8443
# [DATE] 04/20/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT15FRITR
# [LUMINAIRE] FRESNEL W/INTERNAL REFLECTOR
# [LAMP] 13W FL
# TILT=NONE
# Bulbs: 1, 900 lm each
# Number of measured angles: 19 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 0.420 0.420 0.000
# Ballast factor: 1, Input power: 18 W
# Source file: rt15fritr.ies
# Luminaire flux = 380 lm,
# 42.2 % of the bulb flux
# between 75 and 90: 2.3 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 10.0 cd/1000lm , 0.6 % 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 34 cd/1000lm,
# 67.5 deg to <72.5 deg: max 24 cd/1000lm,
# maximum spec. lum. intensity 174 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):
0.0 168
5.0 169
10.0 172
15.0 174
20.0 174
25.0 170
30.0 160
35.0 143
40.0 123
45.0 101
50.0 80.0
55.0 62.2
60.0 47.8
65.0 34.4
70.0 24.4
75.0 16.7
80.0 10.0
85.0 4.4
90.0 0.0
# IESNA91
# [TEST] LSI 8443
# [DATE] 04/20/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT15FRITR
# [LUMINAIRE] FRESNEL W/INTERNAL REFLECTOR
# [LAMP] 13W FL
# TILT=NONE
# Bulbs: 1, 900 lm each
# Number of measured angles: 19 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 0.420 0.420 0.000
# Ballast factor: 1, Input power: 18 W
# Source file: rt15fritr.ies
# Luminaire flux = 380 lm,
# 42.2 % of the bulb flux
# between 75 and 90: 2.3 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 10.0 cd / 1000 lm , 0.6 % 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 34 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 24 cd / 1000 lm,
# maximum spec. lum. intensity 174 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):
0.0 168
5.0 169
10.0 172
15.0 174
20.0 174
25.0 170
30.0 160
35.0 143
40.0 123
45.0 101
50.0 80.0
55.0 62.2
60.0 47.8
65.0 34.4
70.0 24.4
75.0 16.7
80.0 10.0
85.0 4.4
90.0 0.0