Job Information Type:
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We reserve the right to change details of design, materials and finish.
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Lighting Systems CL-5
1BHFPG Covelite™-BNQ5QFS$SPTT4FDUJPO
Readings are rounded off based on initial footcandles at center of 20-foot run of luminaries. Room reflectance are 80% ceiling, 50% wall and 20% floor.
T5 54W, 2 Fixtures, 2 Rows, 2 Walls 14" (0.36) from Ceiling
Distance from wall
2' 4' 6' 8' 10' 12' 14'
T5 54W, 1 Fixtures, 1 Row, 1 Wall, 18" (0.46) from Ceiling
Distance from wall
T5 54W, 2 Fixtures, 2 Rows, 2 Walls 18" (0.46) from Ceiling
Distance from wall
T5 54W, 1 Fixture, 1 Row, 1 Wall, 14" (0.36) from Ceiling
Distance from wall
Quick Calculators & Ceiling Brightness
Distance From Ceiling
Distance From Ceiling
Data is based on bare lamp photometrics. Dashed lines in beam spreads
indicate narrow axes of oval shaped beams.
FC is initial footcandles at center of beam.
L and W are to the point that the candlepower drops 50% of maximum.
Distance From Ceiling
Distance From Ceiling
Maximum Candle Power: 3463 CD at 117.5°
14" (0.36m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
18" (0.46m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
14" (0.36m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
18" (0.46m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80 70 50
% WALL REFLECTANCE
50 30 10 50 30 10 50 30 10
075 757564 6464 4444 44
165 625955 5351 3837 35
256 524848 4542 3331 29
350 444042 3835 2927 24
444 383437 3329 2623 21
539 332933 2825 2320 18
6 334 29 24 30 25 21 20 17 15
731 252126 2218 1815 13
828 221824 1916 1613 11
925 201622 1714 1512 10
10 23 18 14 20 15 12 14 11 9
20% FLOOR CAVITY REFLECTANCE
CANDLEPOWER
Zone 0 22 45 67 90 112 135 157 180
Deg.
CANDELAS
180 1399 1399 1399 1399 1399 1399 1399 1399 1399
175 1400 1395 1385 1392 1408 1429 1447 1449 1468
165 1562 1577 1536 1422 1367 1468 1525 1551 1566
155 1650 1644 1561 1439 1278 1432 1517 1559 1575
145 2018 1886 1556 1352 1143 1343 1453 1551 1588
135 2562 2410 1779 1243 967 1201 1379 1601 1680
125 2995 2720 2067 1121 755 1024 1349 1528 1523
115 3327 3229 2292 1170 524 846 1087 890 830
105 2256 2331 2106 1063 301 618 451 423 384
95 371 540 544 557 88 132 133 150 143
90 0 0 0 0 0 0 0 0 0
0000000000
REPORT NO: ITL53019
LAMPS: 2-F54WT5HO
LUMENS: 5000
EFFICIENCY = 78.4%
Distribution Summary
Zone
Lumens Luminaire
0 - 90 0 0.0 0.0
90 - 180 7840 78.4 100.0
0 - 180 7840 78.4 100.0
3400
2550
1700
850
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
Performance
CANDLEPOWER CURVE
% Barelamp
2' 4' 6' 8' 10' 12' 14'
2' 4' 6' 8' 10' 12' 14'
2' 4' 6' 8' 10' 12' 14'
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
307 92 44 36 44 90 302
91 91 88 85 88 91 91
83 83 82 80 82 83 83
77 77 77 76 77 77 77
77 71 71 71 71 71 71
66 65 66 66 66 65 65
294 79 30 18 14 13 12
63 60 52 42 35 30 28
55 53 47 40 34 30 28
50 48 44 38 33 29 27
45 43 40 35 31 28 26
41 39 37 33 29 26 25
296 125 91 48 60 122 291
90 91 89 87 89 91 90
82 83 83 82 83 83 82
77 77 78 77 78 77 77
70 70 72 72 72 71 70
65 65 66 66 66 65 65
283 111 44 24 17 14 13
62 60 53 44 36 31 28
54 53 48 41 35 30 28
49 48 44 38 34 30 27
44 43 40 36 32 28 27
39 39 37 33 30 27 25