631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
www.lightolier.com © 2010 Philips Group • D0410
Job Information
Type:
Lytespan
®
Track Lighting System
83W4
Page 2 of 2
PowerArc
™
Modular T-4 Single Ended Metal Halide Wall Washer
Distance From Ceiling
La mp Information:
70W CDM T4 Single Ended Metal Halide.
Initial Lumens: 6400
CRI: 83
Rated Avg. life: 6,000 - 9,000 hrs.
Lighting Data
1'
150
125
56
18
8
4
2'
146
121
67
26
10
4
3'
86
75
51
27
12
5
4'
54
47
36
23
12
5
5'
35
32
25
18
10
5
6'
25
23
19
14
9
5
7'
18
17
14
11
8
5
8'
13
12
11
9
7
4
9'
10
9
8
7
6
4
169 118 169
166 138 166
111 105 111
79 79 79
57 56 57
46 45 46
36 35 36
28 28 28
23 23 23
Footcandles on Wall
Track 3 Feet From Wall
Single Unit
Multiple Units
4'
157 39 157
150 54 150
90 55 90
61 49 61
40 36 40
32 31 32
25 25 25
19 20 19
16 16 16
6'
3'
50°
EXAMPLE: With track located 4' from wall and multiple units spaced
6' on center and aimed 50˚ from horizontal, the illumination on wall 4'
from ceiling will be 58 f.c. beneath units and 51 f.c. between units.
1'
66
61
39
17
5
1
2'
94
84
58
29
12
5
3'
72
66
49
30
15
7
4'
49
45
36
25
15
8
5'
34
31
26
20
13
8
6'
24
23
19
16
11
7
7'
18
17
15
13
10
7
8'
14
14
12
10
8
6
9'
11
11
10
8
7
5
75 79 75
118 120 118
104 105 104
82 82 82
64 63 64
50 48 50
40 40 41
34 34 34
29 28 29
68 54 68
104 84 104
86 80 86
66 65 66
52 52 52
40 39 40
33 32 33
28 28 28
23 23 24
66 34 66
98 57 98
78 60 78
58 51 58
44 43 45
34 33 34
27 27 27
24 24 24
20 20 20
Track 4 Feet From Wall
Single Unit
Multiple Units
4'
5'
6'
4'
Distance From Ceiling
Footcandles are average and rounded off and data for multiple units are based on a minimum of five units.
Footcandles on wall:
58 f.c.
51 f.c.
58 f.c.
4'
50
ϒ
6'
4'
0'
1'
2'
3'
4' 5'
0'
1'
2'
3'
4' 5'
Beam Center
Beam Center
160 67 160
154 88 154
96 77 96
66 63 66
46 45 46
37 37 37
29 29 29
23 23 23
19 19 19
5'
50°
For 20W: Multiply values by .25
Rated Lamp Life 7,500 - 9,000 Hrs.
For 39W: Multiply values by .50
Rated Lamp Life 9,000 - 10,000 Hrs.
