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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.
# IESNA:LM-63-2002
# [ISSUEDATE]06/20/05
# [TEST]ITL56326
# [TESTLAB]INDEPENDENT TESTING LABORATORIES, INC.
# [MANUFAC]ACUITY BRANDS LIGHTING
# [LUMCAT]FIB23 3 150IL T1X20 MVOLT GEB150 LPS841 PAF
# [LUMINAIRE]FABRICATED METAL HOUSING WITH WHITE PAINTED GENERAL
# [MORE]INTERIOR FINISH, THREE FABRICATED PREMIUM SPECULAR
# [MORE]MULTI-FACETED METAL REFLECTORS WITH MULTI-FACETED CENTER
# [MORE]INSERT BETWEEN LAMP TUBES AND PREMIUM SPECULAR END PANELS,
# [MORE]OPEN BOTTOM.
# [LAMP]THREE 150-WATT T-16.5 INDUCTIVELY COUPLED RECTANGULAR
# [MORE]FLUORESCENTS, SYLVANIA ICE150/841/2P/ECO. LAMPS HORIZONTAL
# [MORE]WITH TUBES HORIZONTAL.
# [BALLAST]THREE SYLVANIA 1X150 ICE/UNV-T
# [_MOUNTING]SUSPENDED
# [OTHER]TOTAL INPUT WATTS= 463.0 AT 120.0 VOLTS
# TILT=NONE
# Bulbs: 3, 12000 lm each
# Number of measured angles: 37 vertical, 5 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening width, length and height: 1.958 2.938 0.000
# Ballast factor: 1, Input power: 463 W
# Source file: SpecLight\HB05\ITL56326.ies
# Luminaire flux = 33528 lm,
# 93.1 % of the bulb flux
# between 75 and 90: 1.7 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 15.9 cd/1000lm , 0.5 % of the luminaire flux
# 90deg and above: max 0.0 cd/1000lm , 0.0 % of the luminaire flux
# CutOff Type: Full_CutOff
# 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):
# H: 0.0 22.5 45.0 67.5 90.0
#V:
0.0 469.6 469.6 469.6 469.6 469.6
2.5 468.4 468.6 468.6 468.9 469.3
5.0 466.4 465.7 466.0 467.5 468.6
7.5 463.5 463.3 462.6 464.5 466.6
10.0 456.6 459.0 459.0 461.9 464.8
12.5 442.1 447.8 453.0 458.2 460.3
15.0 423.1 429.2 441.9 451.3 453.9
17.5 395.2 404.1 425.7 444.2 446.9
20.0 363.8 374.3 406.9 434.4 437.6
22.5 337.4 346.1 383.6 423.2 428.2
25.0 312.3 319.2 357.5 409.3 417.3
27.5 295.1 298.3 331.0 392.8 404.6
30.0 281.9 283.3 307.2 373.9 390.3
32.5 270.1 269.9 284.7 354.5 375.4
35.0 250.9 258.2 266.5 332.9 359.5
37.5 234.9 240.4 251.8 308.7 342.1
40.0 217.2 225.6 238.5 283.5 325.6
42.5 197.4 208.4 225.1 260.3 305.6
45.0 178.2 190.6 207.3 236.9 283.9
47.5 159.3 173.6 192.8 212.1 262.1
50.0 143.6 156.7 178.3 190.3 240.4
52.5 129.4 140.1 160.9 170.7 219.9
55.0 115.5 125.3 143.4 153.2 196.7
57.5 101.9 111.9 125.7 136.7 174.0
60.0 89.7 98.6 110.5 120.3 150.8
62.5 76.5 85.8 96.8 104.7 127.4
65.0 63.1 72.6 84.2 88.8 104.6
67.5 52.4 60.2 70.8 74.2 81.6
70.0 41.3 48.2 57.1 59.7 61.6
72.5 30.1 36.0 43.6 46.8 43.1
75.0 22.1 25.5 31.3 36.5 28.8
77.5 14.9 17.8 19.6 25.8 20.3
80.0 9.4 11.5 12.4 15.9 13.6
82.5 5.4 6.8 7.0 8.1 7.6
85.0 3.1 3.9 4.0 4.0 3.1
87.5 2.7 3.1 2.6 2.7 2.4
90.0 0.0 0.0 0.0 0.0 0.0
(A similar table including even some other results can be computed at producer's website.)