GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/31/13. Specifications subject to change without notice.
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CWU-7-OPEN
CWU7A MB
100W R40/FL LAMP, 0.8 S/MH, 2000 RATED LUMENS, TEST NO. LTL16073
CWU7A MB
150W R40/FL LAMP, 0.9 S/MH, 3800 RATED LUMENS, TEST NO. LTL16074
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
7” CWU
Up/Down, Wall-Mounted Cylinder
PAR38, R40 Lamp
From 0° cp. Lumens
0° 718
5° 706 67
15° 554 157
25° 351 162
35° 123 78
45° 44 34
55° 14 12
65° 44
75° 44
85° 34
90° 3
95° 44
100° 45
105° 66
125° 22 20
135° 58 45
145° 15496
155° 378 175
165° 579 164
175° 69866
Zone Lumens %lamp
0°-30° 386 19.3
0°-40° 464 23.2
0°-60° 510 25.5
0°-90° 522 26.1
90°-180° 582 29.1
0°-180° 1103 55.2*
*Efficiency
ρ c 80% 50%30%
ρw50% 30%50% 30%50% 30%
1585755545352
2555352515150
3525050484947
4494748464745
5474446444543
6454244414341
7434042394139
8403840383937
9393638363835
10 37 34 36 34 36 34
50% 10%
beam angle 41.6° beam angle
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 23.7 4.2' 1.9 7.6' 2.4
10' 12.8 5.7' 6.4 10.4' 1.3
12' 8.0 7.2' 4.0 13.2' 0.8
14' 5.4 8.7' 2.7 16.0' 0.5
16' 3.9 10.3' 2.0 18.8' 0.4
90°
135°
45°
0°
180°
800
640
480
320
160
160
320
480
640
800
Zone Lumens %lamp
0°-30° 661 17.4
0°-40° 866 22.8
0°-60° 957 25.2
0°-90° 963 25.3
90°-180° 1111 29.2
0°-180° 2074 54.6*
* Efficiency
ρ c 80% 50%30%
ρw 50% 30% 50% 30%50% 30%
1575553525151
2535151505048
3504848474746
4484546444544
5454344424341
6434042394139
7403839373937
8383637353735
9363436333533
10 34 32 34 31 33 31
50
0%
beam angle47.2° beam angle 78.8
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 34.5 4.8' 17.3 9.0
.5
10' 18.6 6.6' 9.3 12.3' 1.9
12' 11.6 8.3' 5.8 15.6' 1.2
14' 7.9 10.0' 3.9 18.9
.8
16' 5.7 11.8' 2.9 22.2
.6
From 0° cp. Lumens
0° 1044
5° 1105 105
15° 923 261
25° 637 295
35° 326 205
45° 89 69
55° 24 22
65° 22
75° 22
85° 12
90° 2
95° 22
100° 33
105° 66
125° 41 37
135° 131 101
145° 403 253
155° 391 320
165° 979 277
175° 1181 112
90°
135°
45°
180°
0°
690
720
480
240
240
480
720
690
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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