Gotham 8 CWU Up_Down, Wall-Mounted Cylinder SpecSheet User Manual
Page 3
PAGE 3 OF 3
CWU-8-OPEn
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/31/13. Specifications subject to change without notice.
CWU8A MB
200W R40/FL LAMP, 0.9 S/MH, 2240 RATED LUMENS, TEST NO. LTL16071
CWU8A MB
300W R40/FL LAMP, 0.8 S/MH, 3650 RATED LUMENS, TEST NO. LTL16072
PH
OTO
M
ET
RY
Distribution Curve
Distribution Data
Output Data
Coefficient of Utilization
Illuminance: Single Luminaire 30” Above Floor
8” CWU
Up/Down, Wall-Mounted Cylinder
PAR38, R40 Lamp
From 0°
cp. Lumens
0°
1098
5°
1081 103
15°
943
267
25°
675
313
35°
339
213
45°
85
66
55°
21
19
65°
2
2
75°
1
2
85°
1
1
90°
1
95°
2
3
105°
3
4
115°
7
7
125°
42
38
135° 131
101
145° 466
293
155° 776
359
165° 1032 292
175° 1178 112
180° 1198
Zone Lumens %lamp
0°-30° 683
15.2
0°-40° 896
20.0
0°-60° 981
21.9
0°-90° 966
22.0
90°-180° 1209
27.0
0°-180° 2195 49.0*
*Efficiency
ρ f
20%
ρc
80%
50%
30%
ρw 50% 30% 50% 30% 50% 30%
1 49 48 46 46 45 44
2 46 45 44 43 43 42
3 44 42 42 41 41 40
4 42 40 40 39 39 38
5 39 37 38 36 37 36
6 37 35 36 34 36 34
7 35 33 34 32 34 32
8 33 31 33 31 32 30
9 32 29 31 29 31 29
10 30 27 29 27 29 27
50%
10%
beam angle 65.6° beam angle 89.6°
Initial fc
fc at
fc at
Mount at beam
Beam beam
Beam beam
height center
diameter edge
diameter edge
8'
36.3
4.8' 18.1
9.2'
3.6
10'
19.5
6.5'
9.8
12.5'
2.0
12'
12.2
8.3'
6.1
15.9'
1.2
14'
8.3
10.0'
4.2
19.2'
0.8
16'
6.0
11.7'
3.0
22.6'
0.6
90°
135°
45°
0°
180°
1200
960
720
480
240
240
480
720
960
1200
From 0°
cp. Lumens
0°
1865
5°
1837 174
15° 1560 441
25° 1071 496
35°
489
307
45°
194
150
55°
72
65
65°
16
16
75°
14
15
85°
12
13
90°
11
95°
12
13
105°
14
15
115°
16
16
125°
72
65
135° 194
150
145° 489
307
155° 1071 496
165° 1560 441
175° 1837 174
180° 1865
Zone Lumens %lamp
0°-30° 1111
15.2
0°-40° 1418
19.4
0°-60° 1633
22.4
0°-90° 1677
23.0
90°-180° 1677
23.0
0°-180° 3354 46.0*
*Efficiency
ρ f
20%
ρc
80%
50%
30%
ρw 50% 30% 50% 30% 50% 30%
1 45 43 35 35 30 29
2 41 38 33 31 28 27
3 37 35 30 29 26 25
4 34 32 28 27 25 23
5 31 29 26 24 23 22
6 29 26 25 23 22 20
7 27 24 23 21 20 19
8 25 22 22 20 19 18
9 24 21 20 18 18 17
10 22 19 19 17 17 16
50%
10%
beam angle 43.6° beam angle 78.2°
Initial fc
fc at
fc at
Mount at beam
Beam beam
Beam beam
height center
diameter edge
diameter edge
8'
61.7
4.4' 30.8
8.9'
6.2
10'
33.2
6.0' 16.6
12.2'
3.3
12'
20.7
7.6' 10.3
15.4'
2.1
14'
14.1
9.2'
7.1
18.7'
1.4
16'
10.2
10.8'
5.1
21.9'
1.0
90°
135°
45°
0°
180°
2000
1600
1200
800
400
400
800
1200
1600
2000
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.