Advertisement
P H O T O M E T R I C S – L A R G E
1480
2960
4440
5920
30°
CP/1000
A I L- 4 0 0 - M H - G 1 9 - W
400-Watt Metal Halide 19" Glass Refractor,
Wide Distribution, 35,000-Lumen Lamps
1700
3400
5100
6800
30°
CP/1000
A I L- 4 0 0 - M H - S G 1 9 - W
400-Watt Metal Halide 19" Glass Refractor with
Shroud, Wide Distribution, 35,000-Lumen Lamps
2080
4160
6240
8320
30°
CP/1000
A I L- 4 0 0 - M H - G 1 9 - N
400-Watt Metal Halide 19" Glass Refractor,
Narrow Distribution, 35,000-Lumen Lamps
Coefficients Of Utilization
Effective floor cavity reflectance
rc
80%
rw
70
50 30 10
70 50 30 10
RCR
97
92 87 83
92 87 83 79
1
88
80 73 67
83 76 70 65
2
80
70 62 55
76 67 59 53
3
73
62 53 47
69 59 51 45
4
67
55 46 40
63 52 44 38
5
90°
61
48 40 33
58 46 38 32
6
56
42 34 28
53 41 33 27
7
51
38 29 24
48 36 28 23
8
47
34 26 20
44 32 25 19
9
60°
43
30 22 17
41 29 21 16
10
Spacing Criterion
2.4
Zone
%Lamp
Zone
0-30
11.9
0-90
0-40
24.0
90-180
0-60
53.0
Total
Coefficients Of Utilization
Effective floor cavity reflectance
rc
80%
rw
70
50 30 10
70 50 30 10
RCR
79
76 73 71
77 74 72 70
1
73
68 64 61
71 67 63 60
2
67
61 56 52
66 60 55 52
3
62
55 49 45
61 54 49 45
4
57
49 43 39
56 48 43 39
5
90°
52
43 37 33
51 43 37 33
6
47
38 32 28
46 37 32 28
7
43
34 28 24
42 33 28 24
8
40
30 24 20
39 29 24 20
9
60°
36
27 21 17
35 26 21 17
10
Spacing Criterion
2.2
Zone
%Lamp
Zone
0-30
16.8
0-90
0-40
32.3
90-180
0-60
65.3
Total
Coefficients Of Utilization
Effective floor cavity reflectance
rc
80%
rw
70
50 30 10
70 50 30 10
RCR
81
77 74 70
77 74 71 68
1
74
68 63 59
71 66 61 57
2
69
61 56 51
66 59 54 50
3
64
56 50 45
61 54 48 44
4
59
50 44 40
57 49 43 39
5
90°
55
46 40 35
53 44 39 35
6
51
42 36 31
49 40 35 31
7
48
38 32 28
46 37 31 28
8
44
35 29 25
43 34 28 25
9
60°
41
32 26 22
40 31 26 22
10
Spacing Criterion
1.2
Zone
%Lamp
Zone
0-30
21.2
0-90
0-40
33.9
90-180
0-60
49.4
Total
20%
70%
50%
30%
50 30 10
50 30 10
79 76 73
72 69 66
69 64 60
62 58 55
60 54 50
55 50 46
54 47 42
49 43 39
48 41 36
43 38 33
42 35 30
38 33 28
37 30 25
34 28 24
33 26 21
30 24 20
29 23 18
27 21 17
26 20 15
24 18 14
%Lamp
72.9
22.9
95.8
20%
70%
50%
30%
50 30 10
50 30 10
71 70 68
69 67 66
65 62 59
62 60
58 54 51
56 53 50
52 48 44
50 47 44
47 42 38
45 41 38
41 36 33
40 36 32
36 31 27
35 31 27
32 27 23
31 27 23
29 24 20
28 23 20
25 20 17
25 20 17
%Lamp
70.7
0.0
70.7
20%
70%
50%
30%
50 30 10
50 30 10
68 65 63
62 61 59
61 57 54
56 53 51
55 50 47
51 47 44
50 45 42
47 43 40
46 41 37
43 39 35
42 37 33
39 35 32
38 33 30
36 32 28
35 30 27
33 29 26
32 27 24
30 26 23
29 25 21
28 23 21
%Lamp
63.0
14.5
77.5
Candlepower
Degree
0
10%
0%
50 30 10
0
5
15
64 62 61
57
25
56 53 50
47
35
49 46 42
39
45
44 40 36
33
55
39 35 31
28
65
35 30 26
24
75
31 26 22
20
85
27 22 19
16
90
24 19 16
14
95
22 17 13
11
105
115
125
135
145
155
Candlepower
Degree
10%
0%
0
5
50 30 10
0
15
66 65 64
63
25
58
60 58 56
55
35
54 51 49
48
45
49 46 43
42
55
44 40 37
36
65
39 35 32
31
75
34 30 27
26
85
31 26 23
22
90
27 23 20
18
95
24 20 17
15
105
115
125
135
145
155
Candlepower
Degree
10%
0%
0
5
50 30 10
0
15
57 56 55
52
25
52 49 47
45
35
47 44 42
40
45
43 40 38
36
55
40 36 34
32
65
37 33 30
29
75
34 30 27
26
85
31 27 25
23
90
28 25 22
21
95
26 22 20
18
105
115
125
135
145
155
CP
3782
3875
4588
5586
7025
8277
4959
2289
2192
2306
2302
2290
2112
1799
1331
653
181
102
CP
5376
5523
6552
7566
8748
9390
5157
1333
412
68
0
0
0
0
2
5
5
8
CP
9728
9807
9454
8419
7345
5115
1798
1520
1628
1664
1621
1584
1445
1188
739
263
122
108
12
Advertisement
