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| In left plots, specific illuminances by a continuous row of luminaires spaced 5 and 6 heights are shown in their left halves (right half concerns 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.
# IESNA: LM-63-1995
# [TEST] 768832
# [DATE] 12/03/01
# [MANUFAC] COOPER LIGHTING
# [LUMCAT] GFX40MXXAR
# [LUMINAIRE] MEDIUM GALLERIA AREA ROUND
# [LAMP] 400 WATT MH CLEAR BT-37
# [_REFLECTOR ] PREM SPUN AREA ROUND
# [_REFRACTOR] FLAT GLASS
# [_SOCKETPOS] FIXED VERTICAL
# [_LAMPLUMENS] 36000
# TILT=NONE
# Bulbs: 1, 36000 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous openig width, length and height: 0.000 0.000 0.000
# Ballast factor: 1, Input power: 400 W
# Source file: gfx4mar.ies
# Luminaire flux = 25489 lm,
# 70.8 % of the bulb flux
# between 75 and 90: 0.7 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 3.4 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 309 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 154 cd / 1000 lm,
# maximum spec. lum. intensity 335 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 50.3
2.5 50.5
5.0 50.6
7.5 51.7
10.0 54.5
12.5 59.3
15.0 63.6
17.5 69.0
20.0 75.6
22.5 84.1
25.0 92.4
27.5 99.6
30.0 105
32.5 109
35.0 111
37.5 111
40.0 114
42.5 120
45.0 127
47.5 136
50.0 154
52.5 200
55.0 258
57.5 306
60.0 335
62.5 309
65.0 243
67.5 154
70.0 63.8
72.5 24.6
75.0 13.2
77.5 7.2
80.0 3.4
82.5 1.6
85.0 0.2
87.5 0.0
90.0 0.0