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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 8421
# [DATE] 04/06/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT19A19
# [LUMINAIRE] CLEAR REFLECTOR
# [LAMP] 100W A19
# TILT=NONE
# Bulbs: 1, 1750 lm each
# Number of measured angles: 19 vertical, 1 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: 100 W
# Source file: rt19a19.ies
# Luminaire flux = 1093 lm,
# 62.4 % 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 1.7 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 2 cd/1000lm,
# 67.5 deg to <72.5 deg: max 2 cd/1000lm,
# maximum spec. lum. intensity 763 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):
0.0 763
5.0 729
10.0 671
15.0 585
20.0 486
25.0 394
30.0 305
35.0 213
40.0 134
45.0 78.9
50.0 38.9
55.0 13.1
60.0 2.9
65.0 2.3
70.0 1.7
75.0 1.7
80.0 1.7
85.0 1.1
90.0 0.0
# IESNA91
# [TEST] LSI 8421
# [DATE] 04/06/89
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT19A19
# [LUMINAIRE] CLEAR REFLECTOR
# [LAMP] 100W A19
# TILT=NONE
# Bulbs: 1, 1750 lm each
# Number of measured angles: 19 vertical, 1 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: 100 W
# Source file: rt19a19.ies
# Luminaire flux = 1093 lm,
# 62.4 % 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 1.7 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 2 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 2 cd / 1000 lm,
# maximum spec. lum. intensity 763 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):
0.0 763
5.0 729
10.0 671
15.0 585
20.0 486
25.0 394
30.0 305
35.0 213
40.0 134
45.0 78.9
50.0 38.9
55.0 13.1
60.0 2.9
65.0 2.3
70.0 1.7
75.0 1.7
80.0 1.7
85.0 1.1
90.0 0.0