GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2003-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 12/23/13. Specifications subject to change without notice.
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CF11-10-OPEN
CF11 3/26DTT 10AR
(3) 26W CF26DD/E/827 LAMP, 1.4 S/MH, 1825 RATED LUMENS PER LAMP, TEST NO. 2196091701
CF11 2/32TRT 10AR
(2) 32W PL-T 32W/30/4P LAMP, 1.4 S/MH, 2400 RATED LUMENS PER LAMP, TEST NO. 2196092005
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
11” CF
Cylinders
Horizontal Lamp, Double Twin-Tube or Triple-Tube, 10” Aperture
From 0° cp. Lumens
0° 1257
5° 1277 122
15° 1290 366
25° 1284 590
35° 1126 702
45°629 474
55°4768
65°0 3
75°0 1
85°0 1
90°0
Zone Lumens %lamp
0°–30° 1076 19.7
0°–40° 1778 32.5
0°–60° 2319 42.4
0°–90° 2322 42.4
90°–180° 00.0
0°–180° 2322 42.4*
*Efficiency
ρ c 80% 70%50%
ρw50% 30%50% 30% 50%30%
1474646454443
2444243414140
3403840383937
4373537353634
5353234323331
6322932293129
7292729272926
8272427242624
9252225222422
10 23 20 22 20 22 20
50% 10%
beam angle 69.4° beam angle
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 41.67.6' 20.8 11.9
.2
10' 22.4 10.4' 11.2 16.2' 2.2
12' 13.9 13.2' 7.0 20.6
.4
14' 9.5 15.9' 4.8 24.9' 1.0
16' 6.9 18.7' 3.5 29.2' 0.7
45°
90°
320
640
960
40°
60°
80°
600
AveLumens
0
5
15
25
35
45
55
65
75
85
90
1628
1646
1785
1801
1556
1107
160
4
1
0
0
159
507
828
965
795
174
7
1
0
Zone Lumens% Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
1493.9
2458.6
3427.8
3435.0
0.0
3435.0
31.1
51.2
71.4
71.6
0.0
*71.6
*Efficiency
pc 80%70% 50%
pw 50%30% 10%50% 30%10% 50%30% 10%
0
1
2
3
4
5
6
7
8
9
10
85
78
71
65
59
54
50
45
42
39
36
85
76
68
61
54
49
44
40
37
34
31
85
74
65
57
51
45
41
37
33
30
28
83
77
70
64
58
53
49
45
41
38
36
83
75
67
60
54
49
44
40
36
33
31
83
73
64
57
50
45
40
36
33
30
28
80
74
68
62
57
52
48
44
41
38
35
80
72
65
59
53
48
43
39
36
33
30
80
71
63
56
50
45
40
36
33
30
27
RCR
50% beam -
71.6°
10% beam -
99.0°
Mounting
Height
Inital FC
Center
Beam DiameterFC DiameterFC
8.0
10.0
12.0
14.0
16.0
53.8
28.9
18.0
12.3
8.9
7.9
10.8
13.7
16.6
19.5
26.9
14.5
9.0
6.2
4.5
12.9
17.6
22.3
27.0
31.6
5.4
2.9
1.8
1.2
0.9
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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