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Performance
CANDLEPOWER CURVE
180
850
1700
2550
3400
0
REPORT NO: ITL53019
LAMPS: 2-F54WT5HO
LUMENS: 5000
EFFICIENCY = 78.4%
Quick Calculators & Ceiling Brightness
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'
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
14" (0.36m)
307
92
44
8'6" (2.59m)
91
91
88
9'6" (2.90m)
83
83
82
10'6" (3.20m)
77
77
77
11'6" (3.51m)
77
71
71
12'6" (3.81m)
66
65
66
T5 54W, 1 Fixture, 1 Row, 1 Wall, 14" (0.36) from Ceiling
Distance from wall
2'
4'
6'
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
14" (0.36m)
294
79
30
8'6" (2.59m)
63
60
52
9'6" (2.90m)
55
53
47
10'6" (3.20m)
50
48
44
11'6" (3.51m)
45
43
40
12'6" (3.81m)
41
39
37
Maximum Candle Power: 3463 CD at 117.5°
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
0
0
8'
10'
12'
14'
36
44
90
302
85
88
91
91
80
82
83
83
76
77
77
77
71
71
71
71
66
66
65
65
8'
10'
12'
14'
18
14
13
12
42
35
30
28
40
34
30
28
38
33
29
27
35
31
28
26
33
29
26
25
Lighting Systems
Covelite™
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80
50
30
0
75
75
1
65
62
2
56
52
3
50
44
4
44
38
5
39
33
6
334 29
7
31
25
8
28
22
9
25
20
10 23
18
20% FLOOR CAVITY REFLECTANCE
0
0
0
0
0
0
0
0
Zone
0 - 90
90 - 180
0 - 180
T5 54W, 2 Fixtures, 2 Rows, 2 Walls 18" (0.46) from Ceiling
Distance from wall
2'
4'
6'
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
18" (0.46m)
296
125
8'6" (2.59m)
90
91
9'6" (2.90m)
82
83
10'6" (3.20m)
77
77
11'6" (3.51m)
70
70
12'6" (3.81m)
65
65
T5 54W, 1 Fixtures, 1 Row, 1 Wall, 18" (0.46) from Ceiling
Distance from wall
2'
4'
6'
0.61m 1.22m 1.83m 2.29m 3.05m 3.66m 4.27m
18" (0.46m)
283
111
8'6" (2.59m)
62
60
9'6" (2.90m)
54
53
10'6" (3.20m)
49
48
11'6" (3.51m)
44
43
12'6" (3.81m)
39
39
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.
Job Information
We reserve the right to change details of design, materials and finish.
70
50
% WALL REFLECTANCE
10
50
30
10
50
30
75
64
64
64
44
44
59
55
53
51
38
37
48
48
45
42
33
31
40
42
38
35
29
27
34
37
33
29
26
23
29
33
28
25
23
20
24
30
25
21
20
17
21
26
22
18
18
15
18
24
19
16
16
13
16
22
17
14
15
12
14
20
15
12
14
11
Distribution Summary
Lumens
% Barelamp
Luminaire
0
0.0
7840
78.4
100.0
7840
78.4
100.0
8'
10'
12'
14'
91
48
60
122
291
89
87
89
91
90
83
82
83
83
82
78
77
78
77
77
72
72
72
71
70
66
66
66
65
65
8'
10'
12'
14'
44
24
17
14
13
53
44
36
31
28
48
41
35
30
28
44
38
34
30
27
40
36
32
28
27
37
33
30
27
25
Type:
CL-5
10
44
35
29
24
21
18
15
13
11
10
9
0.0
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