Gotham 6 AF Open Reflector DTT SpecSheet User Manual
Page 3

© 2003-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 01/21/14. Specifications subject to change without notice.
PAGE 3 OF 3
AF-6-OPEn-DTT
AF 2/18DTT 6AR
(2) CF18DD/E/835 LAMP, 2500 TOTAL RATED LUMENS, 1.4 S/MH, TEST NO. LTL10964
AF 1/26DTT 6AR
(1) CF26DTT LAMP, 1825 TOTAL RATED LUMENS, 1.4 S/MH, TEST NO. LTL17856
AF 2/26DTT 6MB
(2) CF26DD/E/835 LAMP, 3600 TOTAL RATED LUMENS, 1.2 S/MH, TEST NO. LTL7796
AF 2/26DTT 6BC
(1) CF26DD/E/835 LAMP, 3600 TOTAL RATED LUMENS, 1.2 S/MH, TEST NO. LTL7795
PH
OTO
M
ET
RY
Distribution Curve
Distribution Data
Output Data
Coefficient of Utilization
Illuminance: Single Luminaire 30” Above Floor
6” AF
Open Reflector
Horizontal Lamp, Double Twin-Tube
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.
From 0°
cp. Lumens
0°
652
0
5°
679
66
15°
734
206
25°
658
304
35°
561
339
45°
312
240
55°
38
48
65°
1
2
75°
0
0
85°
0
0
90°
0
0
ρ f
20%
ρc
80%
70%
50%
ρw 50% 30% 50% 30% 50% 30%
1 53 51 52 50 50 49
2 48 46 47 45 46 44
3 44 41 43 41 42 40
4 40 37 40 37 39 36
5 37 34 37 34 36 33
6 34 31 34 31 33 30
7 32 28 31 28 31 28
8 29 26 29 26 28 25
9 27 24 27 24 26 23
10 25 22 25 22 25 22
Zone Lumens %lamp
0°-30° 576
23.0
0°-40° 915
36.6
0°-60° 1203
48.1
0°-90° 1205
48.2
90°-180° 0
0.0
0°-180° 1205
48.2*
*Efficiency
50%
10%
beam angle 67.9° beam angle 97.6°
Initial fc
fc at
fc at
Mount at beam
Beam
beam
Beam
beam
height center
diameter edge
diameter edge
8'
21.6
7.4' 10.8
12.6'
2.2
10'
11.6
10.1' 5.8
17.1'
1.2
12'
7.2
12.8' 3.6
21.7'
0.7
14'
4.9
15.5' 2.5
26.3'
0.5
16'
3.6
18.2' 1.8
30.9'
0.4
150
300
450
600
750
90
o
45
o
0
o
0°
20°
40°
60°
80°
200
400
Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
505
506
487
490
441
263
47
5
1
0
0
48
139
225
271
205
56
6
2
0
Zone
Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
411.1
681.6
942.4
950.2
0.0
950.2
22.5
37.3
51.6
52.1
0.0
*52.1
*Efficiency
%
0
2
f
p
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
62
57
52
47
43
39
36
33
30
28
26
62
55
49
44
39
36
32
29
27
24
22
62
54
47
41
37
33
29
27
24
22
20
61
56
51
46
42
39
35
33
30
28
26
61
54
48
43
39
35
32
29
27
24
22
61
53
47
41
37
33
29
26
24
22
20
58
54
49
45
41
38
35
32
29
27
25
58
52
47
42
38
35
31
29
26
24
22
58
51
45
40
36
32
29
26
24
22
20
RC
R
50% beam -
68.3°
10% beam -
99.2°
Mounting
Height
Inital FC
Center
Beam Diameter FC Diameter FC
8.0
10.0
12.0
14.0
16.0
16.7
9.0
5.6
3.8
2.8
7.5
10.2
12.9
15.6
18.3
8.3
4.5
2.8
1.9
1.4
12.9
17.6
22.3
27.0
31.7
1.7
0.9
0.6
0.4
0.3
800
0
o
160
320
480
640
90
o
45
o
From 0°
cp. Lumens
0°
762
0
5°
780
74
15°
749
209
25°
635
293
35°
518
323
45°
345
264
55°
65
75
65°
2
2
75°
0
0
85°
0
0
90°
0
0
ρ f
20%
ρc
80%
70%
50%
ρw 50% 30% 50% 30% 50% 30%
1 38 37 37 36 36 35
2 34 33 34 32 33 31
3 31 29 31 29 30 28
4 29 26 28 26 28 26
5 26 24 26 24 25 23
6 24 22 24 22 23 21
7 22 20 22 20 22 19
8 21 18 20 18 20 18
9 19 17 19 17 19 16
10 18 15 18 15 17 15
Zone Lumens %lamp
0°-30° 576
16.0
0°-40° 900
25.0
0°-60° 1239
34.4
0°-90° 1241
34.5
90°-180° 0
0.0
0°-180° 1241
34.5*
*Efficiency
50%
10%
beam angle 59.4° beam angle 97.4°
Initial fc
fc at
fc at
Mount at beam
Beam
beam
Beam
beam
height center
diameter edge
diameter edge
8'
25.2
6.3' 12.6
12.5'
2.5
10'
13.5
8.5'
6.8
17.1'
1.4
12'
8.4
10.8' 4.2
21.6'
0.8
14'
5.8
13.1' 2.9
26.2'
0.6
16'
4.2
15.4' 2.1
30.7'
0.4
90
o
45
o
0
o
160
320
480
640
800
From 0°
cp. Lumens
0°
764
0
5°
776
74
15°
752
211
25°
645
297
35°
529
329
45°
350
269
55°
69
78
65°
2
3
75°
0
0
85°
0
0
90°
0
0
ρ f
20%
ρc
80%
70%
50%
ρw 50% 30% 50% 30% 50% 30%
1 38 37 38 37 36 35
2 35 33 34 33 33 32
3 32 30 31 29 30 29
4 29 27 29 27 28 26
5 27 24 26 24 26 24
6 25 22 24 22 24 22
7 23 20 22 20 22 20
8 21 18 21 18 20 18
9 19 17 19 17 19 17
10 18 16 18 16 18 15
Zone Lumens %lamp
0°-30° 583
16.2
0°-40° 912
25.3
0°-60° 1259
35.0
0°-90° 1262
35.0
90°-180° 0
0.0
0°-180° 1262
35.0*
*Efficiency
50%
10%
beam angle 60.1° beam angle 97.7°
Initial fc
fc at
fc at
Mount at beam
Beam
beam
Beam
beam
height center
diameter edge
diameter edge
8'
25.3
6.4' 12.6
12.6'
2.5
10'
13.6
8.7'
6.8
17.2'
1.4
12'
8.5
11.0' 4.2
21.7'
0.8
14'
5.8
13.3' 2.9
26.3'
0.6
16'
4.2
15.6' 2.1
30.9'
0.4