
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2012 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 12/02/13. Specifications subject to change without notice.
PAGE 3 OF 3
CA-8-OPEN
CA8 6AR
100A LAMP, 1750 RATED LUMENS, 1.3 S/MH, TEST NO. LTL7258
CA8 6AR
150A LAMP, 2780 RATED LUMENS, 1.2 S/MH, TEST NO. LTL7257
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
8” CA
Open Cylinders
A19, A21 or PAR Lamp, 6” Aperture
CA8 6AR
75W PAR30LN/CAP/WFL/50 LAMP, 0.7 SPACING CRITERIA, 1130 RATED LUMENS, TEST NO. LTL12837
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
696.5
1060.8
1187.7
1187.7
0.0
1187.7
39.8
60.6
67.9
67.9
0.0
*67.9
*E fficiency
0° 10° 20° 30°
40°
50°
60°
70°
80°
0
pf
pc
pw
20%
80%70% 50%
50%30% 50%30% 50%30%
1
2
3
4
5
6
7
8
9
10
.75
.69
.64
.59
.55
.51
.47
.44
.41
.39
.73
.66
.60
.55
.51
.46
.43
.40
.37
.34
.73
.68
.63
.58
.54
.50
.47
.44
.41
.38
.72
.65
.60
.55
.50
.46
.43
.39
.37
.34
.71
.66
.61
.57
.53
.49
.46
.43
.40
.38
.69
.64
.58
.54
.49
.46
.42
.39
.36
.34
From 0° AveLumens
0
5
15
25
35
45
55
65
75
85
90
801
813
830
845
599
151
1
0
0
0
0
78
236
383
364
124
2
0
0
0
50% beam angle
65.7°
10% beam angle
87.4°
Mount
height
Inital fc
at beam
center
Beam
diameter
fc at
beam
edge
Beam
diameter
fc at
beam
edge
8
10
12
14
16
26.5
14.2
8.9
6.1
4.4
7.1
9.7
12.3
14.8
17.4
13.2
7.1
4.4
3.0
2.2
10.5
14.3
18.2
22.0
25.8
2.6
1.4
0.9
0.6
0.4
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
1165.9
1702.4
1888.5
1890.1
0.0
1890.1
41.9
61.2
67.9
68.0
0.0
*68.0
*E fficiency
0° 10° 20° 30°
40°
50°
60°
70°
80°
300
600
900
pf
pc
pw
20%
80%70% 50%
50% 30% 50% 30%50% 30%
1
2
3
4
5
6
7
8
9
10
.75
.69
.64
.60
.55
.52
.48
.45
.42
.40
.73
.67
.61
.56
.51
.47
.44
.41
.38
.35
.74
.68
.63
.59
.55
.51
.48
.45
.42
.39
.72
.66
.60
.55
.51
.47
.44
.40
.38
.35
.71
.66
.62
.57
.54
.50
.47
.44
.41
.39
.70
.64
.59
.54
.50
.46
.43
.40
.37
.35
From 0° AveLumens
0
5
15
25
35
45
55
65
75
85
90
1510
1541
1443
1352
886
211
6
1
0
0
0
144
409
612
536
178
9
1
0
0
50% beam angle
60.1°
10% beam angle
84.6°
Mount
height
Inital fc
at beam
center
Beam
diameter
fc at
beam
edge
Beam
diameter
fc at
beam
edge
8
10
12
14
16
49.9
26.8
16.7
11.4
8.3
6.4
8.7
11.0
13.3
15.6
25.0
13.4
8.4
5.7
4.1
10.0
13.6
17.3
20.9
24.6
5.0
2.7
1.7
1.1
0.8
0˚ - 30˚
0˚ - 40˚
0˚ - 60˚
0˚ - 90˚
90˚ - 180˚
0˚ - 180˚
748
897
924
924
0
924
66.2
79.4
81.7
81.7
0.0
*81.7
*Total Eff iciency
10˚ 30˚
50˚
70˚
90˚
300
600
900
1200
1500
pf 20%
pc 80%70% 50%
pw 50%30% 50%30% 50%30%
0
1
2
3
4
5
6
7
8
9
97
91
85
80
76
71
68
64
61
58
97
89
82
77
72
67
63
60
56
53
95
89
84
79
75
71
67
64
60
57
95
88
81
76
71
67
63
59
56
53
91
86
81
77
73
69
66
63
60
57
91
85
79
74
70
66
62
59
56
53
50% beam - 36.6˚ 10% beam - 66.8˚
Mounting
Height
Inital FC
Center
BeamDiameterFC DiameterFC
8
10
12
14
16
55.1
29.7
18.5
12.6
9.2
3.6
5.0
6.3
7.6
8.9
27.6
14.8
9.2
6.3
4.6
7.3
9.9
12.5
15.2
17.8
5.5
3.0
1.8
1.3
0.9
cp Lumens
0˚
5˚
15˚
25˚
35˚
45˚
55˚
65˚
75˚
85˚
90˚
1668
1532
1080
688
230
21
1
0
0
0
0
137
301
309
150
25
1
0
0
0
PHOTOMETRY NOTES
• Tested to current IES and NEMA standards under stabilized laboratory conditions.
• Actual performance may differ as a result of end-user environment and application.
• Consult factory or IES file for microgroove baffle, black cone or other photometric reports.
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