Gotham 12 LA Square Lens SpecSheet User Manual
Page 3
© 2006-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 04/08/14. Specifications subject to change without notice.
PAGE 3 OF 3
LA-12-SquARE-LEnS
LA 12FW T73
200W/A23 LAMP, 1.1 S/MH, 3940 RATED LUMENS, TEST NO. 2187040903
PH
OTO
M
ET
RY
Distribution Curve
Distribution Data
Output Data
Coefficient of Utilization
Illuminance: Single Luminaire 30” Above Floor
12” LA
Square Lens
Wet Location, Horizontal Lamp, A21 or A23
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.
LA 12FW FHL
200W/A23 LAMP, 1.1 S/MH, 3940 RATED LUMENS, TEST NO. 2187040906
LA 12FW DHL
200W/A23 LAMP, 0.8 S/MH, 3940 RATED LUMENS, TEST NO. 2188063001
From 0°
cp. Lumens
0°
1069
5°
1066 102
15° 1009 286
25°
886
410
35°
707
444
45°
428
332
55°
225
200
65°
112
111
75°
63
67
85°
24
27
90°
6
Zone Lumens %lamp
0°-30° 798
20.2
0°-40° 1242
31.5
0°-60° 1775
45.1
0°-90° 1979
50.2
90°-180° 0
0.0
0°-180° 1979
50.2*
* Fixture efficiency
50%
10%
beam angle 59.4° beam angle 96.2°
Initial fc
fc at
fc at
Mount at beam
Beam beam
Beam beam
height center
diameter edge
diameter edge
8'
35.3
6.3' 17.7
12.3'
3.5
10'
19.0
8.6' 8.0
16.7'
1.9
12'
11.8
10.8' 5.9
21.2'
1.2
14'
8.1
13.1' 4.1
25.6'
0.8
16'
5.9
15.4' 3.0
30.1'
0.6
ρ f
20%
ρc
80%
50%
30%
ρw 50% 30% 50% 30% 50% 30%
1 53 51 50 49 48 47
2 48 45 45 43 43 41
3 43 39 41 38 39 37
4 39 35 37 34 36 33
5 35 31 34 30 33 30
6 32 28 31 27 30 27
7 29 25 28 25 28 25
8 27 23 26 23 25 22
9 25 21 24 21 24 21
10 23 20 22 19 22 19
0°
45°
90°
300
600
900
1200
1500
From 0°
cp. Lumens
0°
1128
5°
1140 109
15° 1108 314
25°
916
424
35°
672
422
45°
322
249
55°
137
123
65°
67
66
75°
34
36
85°
10
11
90°
2
ρ f
20%
ρc
80%
50%
30%
ρw 50% 30% 50% 30% 50% 30%
1 48 46 45 44 43 42
2 43 41 41 39 40 38
3 39 36 37 35 36 34
4 36 33 34 32 33 31
5 33 30 32 29 31 28
6 30 27 29 26 28 26
7 28 25 27 24 26 24
8 26 23 25 22 24 22
9 24 21 23 21 23 20
10 22 19 22 19 21 19
Zone Lumens %lamp
0–30° 847
21.5
0–40° 1269
32.2
0–60° 1641
41.6
0–90° 1754
44.5
90–180° 0
0.0
0–180° 1754
44.5*
* Fixture efficiency
50%
10%
beam angle 57.5° beam angle 90.2°
Initial fc
fc at
fc at
Mount at beam
Beam beam
Beam beam
height center
diameter edge
diameter edge
8'
37.3
6.1' 18.7
11.0'
3.7
10'
20.1
8.3' 10.1
15.0'
2.0
12'
12.5
10.5'
6.3
19.1'
1.3
14'
8.5
12.7'
4.3
23.1'
0.9
16'
6.2
14.9'
3.1
27.1'
0.6
0°
45°
90°
300
600
900
1200
1500
From 0°
cp. Lumens
0°
1505
5°
1482 139
15° 1207 341
25°
862
400
35°
575
364
45°
349
275
55°
207
190
65°
133
134
75°
90
96
85°
57
62
90°
41
ρ f
20%
ρc
80%
50%
30%
ρw 50% 30% 50% 30% 50% 30%
1 54 52 51 50 49 48
2 49 47 46 44 45 43
3 45 42 43 40 41 39
4 41 38 39 37 38 36
5 38 34 36 33 35 33
6 35 31 34 31 33 30
7 32 29 31 28 30 28
8 30 26 29 26 28 26
9 28 24 27 24 27 24
10 26 22 25 22 25 22
Zone Lumens %lamp
0–30° 880
22.4
0–40° 1244
31.6
0–60° 1709
43.4
0–90° 2001
50.8
90–180° 0
0.0
0–180° 2001
50.8*
* Fixture efficiency
50%
10%
beam angle 44.5° beam angle 86.3°
Initial fc
fc at
fc at
Mount at beam
Beam beam
Beam beam
height center
diameter edge
diameter edge
8'
49.8
4.5' 24.9
10.3'
5.0
10'
26.8
6.1' 13.4
14.1'
2.7
12'
16.7
7.8'
8.3
17.8'
1.7
14'
11.4
9.4'
5.7
21.6'
1.1
16'
8.3
11.0'
4.1
25.3'
0.8
0°
300
600
900
1200
1500
45°
90°