Gotham 12 A Open Reflector SpecSheet User Manual
Page 3
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.
PAGE 3 OF 3
A-12-OPEN
A 12AR
500W 99IF/XL LAMP, 0.9 S/MH, 9100 RATED LUMENS, TEST NO. 2193092604
PH
OTO
M
ET
RY
Distribution Curve
Distribution Data
Output Data
Coefficient of Utilization
Illuminance: Single Luminaire 30” Above Floor
12” A
Open Reflector
PS30 or PS40 Lamp
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.
ρf
20%
ρc
80%
50%
30%
ρw 50% 30% 50% 30% 50% 30%
1 80 78 78 77 72 72
2 75 73 74 72 70 69
3 72 70 71 69 68 67
4 69 67 69 66 66 64
5 66 63 66 63 64 61
6 64 61 63 61 62 59
7 61 58 61 58 59 57
8 59 56 58 55 57 55
9 57 53 57 53 55 52
10 54 51 54 51 53 51
50%
10%
beam angle 65.2°
beam angle 88.9°
Initial fc
fc at
fc at
Mount at beam
Beam beam
Beam beam
height center
diameter edge
diameter edge
18'
32.8
17.0' 16.4
21.5'
3.3
20'
25.7
19.2' 12.9
24.3'
2.6
22'
20.7
21.4' 10.4
27.1'
2.1
28'
12.1
28.0' 6.1
35.4'
1.2
30'
10.4
30.2' 5.2
38.2'
1.0
Zone Lumens %lamp
0°-30° 5426
59.6
0°-40° 6255
68.7
0°-60° 6386
70.2
0°-90° 6427
70.6
90°-180° 0
0.0
0°-180° 6427
70.6*
*Efficiency
From 0°
cp. Lumens
0°
7876
5°
8121 772
15° 8252 2335
25° 5008 2319
35° 1320 829
45°
138
107
55°
27
24
65°
17
17
75°
13
13
85°
10
11
90°
9
45
°
90°
0°
1800
3600
5400
7200
9000