GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2003-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 12/05/13. Specifications subject to change without notice.
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LAH-12-SQUARE-FHL
LAH 175M 12FW FHL
175W M175/C/U LAMP, 1.0 S/MH, 12000 RATED LUMENS, TEST NO. 2189020810
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
12” LAH
Square Lens
Holophane Control Lens, Wet Location, Horizontal Lamp, Metal Halide or HPS Lamps
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.
LAH 250M 12FW FHL
250W M250/C/U LAMP, 1.0 S/MH, 20500 RATED LUMENS, TEST NO. 2189032204
LAH 150S 12FW FHL
150W LU150/55/D/MOG LAMP, 0.9 S/MH, 15000 RATED LUMENS, TEST NO. 2189020708
From 0° cp. Lumens
0° 3555
5° 3530 336
15° 3299 927
25° 2678 1238
35° 1968 1223
45° 1115 881
55° 538 501
65° 295 298
75° 154 165
85° 48 55
Zone Lumens %lamp
0°-30° 2500 20.8
0°-40° 3723 31.0
0°-60° 5105 42.6
0°-90° 5623 46.9
90°-180°0 0.0
0°-180° 5623 46.9*
* Fixture efficiency
ρ c80% 50%30%
ρw50% 30% 50% 30% 50%30%
1514948474645
2484444424341
3424041383938
4393638353734
5363335323431
6333032293124
7302729272926
8282527242724
9262325222522
50
0%
beam angle 54.2° beam angle 91.8
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 117.5 5.6' 58.8 11.4
1.8
10' 63.27.7' 31.6 15.5
.3
12' 39.49.7' 19.7 19.6
.9
14'26.9 11.8'13.423.7' 2.7
16'19.5 13.8' 9.8 27.9' 2.0
0°
45°
800
90°
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1565453515150
2514948474745
3474445424341
4434041394038
5403638353735
6373335323432
7343032293229
8312730272927
9292528252724
Zone Lumens %lamp
0–30° 4690 22.9
0–40° 6968 34.0
0–60° 9597 46.8
0–90° 10589 51.7
90–180°0 0.0
0–180° 10589 51.7*
* Fixture efficiency
50
0%
beam angle 53.9° beam angle 91.9
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 221.9 5.6' 111.0 11.4' 22.0
10' 119.3 7.6' 59.715.5' 11.9
12' 74.4 9.7' 37.2 19.7' 7.4
14'50.8 11.7'25.423.8' 5.1
16'36.8 13.7'18.427.9' 3.7
0°
90°
45°
1400
2800
4200
5600
7000
From 0° cp. Lumens
0° 6713
5° 6682 635
15° 6199 1742
25° 5004 2313
35° 3637 2278
45° 2119 1668
55° 1031 960
65° 559 567
75° 297 318
85° 94 108
90° 17
From 0° cp. Lumens
0° 5357
5° 5356 510
15° 5016 1419
25° 4017 1858
35° 2806 1758
45° 1525 1212
55° 743 691
65° 411 416
75° 220 235
85° 70 80
90° 12
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1595856555453
2545251495048
3504647454644
4464244414340
5423941384037
6393538353734
7363235323431
8333032293229
9312730273026
Zone Lumens %lamp
0–30° 3786 25.2
0–40° 5544 36.9
0–60° 7447 49.6
0–90° 8178 54.5
90–180°0 0.0
0–180° 8178 54.5*
* Fixture efficiency
50
0%
beam angle 53.9° beam angle 90.1
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 177.1 5.6' 88.611.0' 17.7
10' 95.2 7.6' 47.6 15.0
.5
12' 59.4 9.7' 29.7 19.0
.9
14'40.511.7' 20.3 23.0' 4.1
16'29.413.7' 14.7 27.1' 2.9
0°
90°
45°
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