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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 14948
# [DATE] 12/14/00
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] ZA525
# [LUMINAIRE]16" DIFFUSE SPUN ALUMINUM EZ-BAY NO LENS
# [LAMP] 250W HPS
#
# TILT=NONE
# Bulbs: 1, 28000 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 1.380 ( 0.000 )
# Ballast factor: 1, Input power: 250 W
# Source file: za525.ies
# Luminaire flux = 22298 lm,
# 79.6 % of the bulb flux
# between 75 and 90: 0.5 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 3.0 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 68 cd/1000lm,
# 67.5 deg to <72.5 deg: max 32 cd/1000lm,
# maximum spec. lum. intensity 312 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):
0.0 162
2.5 158
5.0 150
7.5 144
10.0 146
12.5 154
15.0 168
17.5 184
20.0 199
22.5 211
25.0 223
27.5 235
30.0 248
32.5 263
35.0 279
37.5 294
40.0 306
42.5 312
45.0 310
47.5 299
50.0 269
52.5 226
55.0 177
57.5 131
60.0 93.5
62.5 67.9
65.0 47.1
67.5 32.3
70.0 21.3
72.5 13.5
75.0 8.5
77.5 5.1
80.0 3.0
82.5 1.6
85.0 0.7
87.5 0.1
90.0 0.0
# IESNA91
# [TEST] LSI 14948
# [DATE] 12/14/00
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] ZA525
# [LUMINAIRE]16" DIFFUSE SPUN ALUMINUM EZ-BAY NO LENS
# [LAMP] 250W HPS
#
# TILT=NONE
# Bulbs: 1, 28000 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 1.380 ( 0.000 )
# Ballast factor: 1, Input power: 250 W
# Source file: za525.ies
# Luminaire flux = 22298 lm,
# 79.6 % of the bulb flux
# between 75 and 90: 0.5 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 3.0 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 68 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 32 cd / 1000 lm,
# maximum spec. lum. intensity 312 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):
0.0 162
2.5 158
5.0 150
7.5 144
10.0 146
12.5 154
15.0 168
17.5 184
20.0 199
22.5 211
25.0 223
27.5 235
30.0 248
32.5 263
35.0 279
37.5 294
40.0 306
42.5 312
45.0 310
47.5 299
50.0 269
52.5 226
55.0 177
57.5 131
60.0 93.5
62.5 67.9
65.0 47.1
67.5 32.3
70.0 21.3
72.5 13.5
75.0 8.5
77.5 5.1
80.0 3.0
82.5 1.6
85.0 0.7
87.5 0.1
90.0 0.0