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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 10930
# [DATE] 08/18/92
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT18MH
# [LUMINAIRE] BAFFLE W/REFLECTOR
# [LAMP] 70 WATT MH / COATED
# TILT=NONE
# Bulbs: 1, 5600 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 0.500 ( 0.000 )
# Ballast factor: 1, Input power: 95 W
# Source file: rt18mh.ies
# Luminaire flux = 2655 lm,
# 47.4 % 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 18 cd/1000lm,
# 67.5 deg to <72.5 deg: max 9 cd/1000lm,
# maximum spec. lum. intensity 284 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):
0.0 192
2.5 190
5.0 187
7.5 185
10.0 186
12.5 188
15.0 190
17.5 193
20.0 199
22.5 207
25.0 231
27.5 272
30.0 284
32.5 272
35.0 247
37.5 212
40.0 174
42.5 137
45.0 108
47.5 85.9
50.0 69.3
52.5 55.4
55.0 42.7
57.5 33.0
60.0 24.8
62.5 18.2
65.0 12.9
67.5 8.6
70.0 5.2
72.5 2.7
75.0 1.1
77.5 0.2
80.0 0.0
82.5 0.0
85.0 0.0
87.5 0.0
90.0 0.0
# IESNA91
# [TEST] LSI 10930
# [DATE] 08/18/92
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT18MH
# [LUMINAIRE] BAFFLE W/REFLECTOR
# [LAMP] 70 WATT MH / COATED
# TILT=NONE
# Bulbs: 1, 5600 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 0.500 ( 0.000 )
# Ballast factor: 1, Input power: 95 W
# Source file: rt18mh.ies
# Luminaire flux = 2655 lm,
# 47.4 % 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 18 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 9 cd / 1000 lm,
# maximum spec. lum. intensity 284 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):
0.0 192
2.5 190
5.0 187
7.5 185
10.0 186
12.5 188
15.0 190
17.5 193
20.0 199
22.5 207
25.0 231
27.5 272
30.0 284
32.5 272
35.0 247
37.5 212
40.0 174
42.5 137
45.0 108
47.5 85.9
50.0 69.3
52.5 55.4
55.0 42.7
57.5 33.0
60.0 24.8
62.5 18.2
65.0 12.9
67.5 8.6
70.0 5.2
72.5 2.7
75.0 1.1
77.5 0.2
80.0 0.0
82.5 0.0
85.0 0.0
87.5 0.0
90.0 0.0