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-DHL
LAH 175M 12FW DHL
175W M175/C/U LAMP, 1.0 S/MH, 12000 RATED LUMENS, TEST NO. 2189020903
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
12” LAH
Square Lens
Drop 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 DHL
250W M250/C/U LAMP, 1.0 S/MH, 20500 RATED LUMENS, TEST NO. 2189020904
LAH 150S 12FW DHL
150W LU150/55/D/MOG LAMP, 1.0 S/MH, 15000 RATED LUMENS, TEST NO. 2189020801
From 0° cp. Lumens
0° 3236
5° 3210 305
15° 2917 820
25° 2291 1062
35° 1617 1014
45° 911 725
55° 523 479
65° 341 342
75° 233 247
85° 141 154
Zone Lumens %lamp
0°-30° 2186 18.2
0°-40° 3200 26.7
0°-60° 4405 36.7
0°-90° 5148 42.9
90°-180°0 0.0
0°-180° 5319 44.3*
* Fixture efficiency
ρ c80% 50%30%
ρw50% 30% 50% 30% 50%30%
1474544434241
2434040383837
3393636343533
4353234313230
5332931283028
6302729262825
7272426242623
8252224222421
9242023202220
50
0%
beam angle 52.0° beam angle 89.9
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 107.0 5.4' 53.5 5.4' 10.7
10' 57.57.3' 28.8 15.0
.8
12' 35.99.3' 17.9 19.0
.6
14'24.5 11.2'12.223.0' 2.4
16'17.8 13.2' 8.9 27.0' 1.8
0°
45°
700
90°
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1585654525150
2524747474745
3474445424341
4444041384037
5403638353734
6373335323431
7343032293128
8312730272926
9292528242724
Zone Lumens %lamp
0–30° 4600 22.4
0–40° 6708 32.7
0–60° 9233 45.0
0–90° 10805 52.7
90–180°0 0.0
0–180° 11182 54.6*
* Fixture efficiency
50
0%
beam angle 51.2° beam angle 89.9
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 228.7 5.3' 114.4 10.9' 22.9
10' 123.0 7.2' 61.514.9' 12.3
12' 76.7 9.1' 38.3 18.9' 7.7
14'52.3 11.0'26.222.8' 5.2
16'38.0 12.9'19.026.8' 3.8
0°
90°
45°
1400
2800
4200
5600
7000
From 0° cp. Lumens
0° 6918
5° 6840 649
15° 6161 1732
25° 4793 2220
35° 3361 2108
45° 1905 1516
55° 1102 1009
65° 716 721
75° 492 522
85° 303 131
90° 208
From 0° cp. Lumens
0° 5330
5° 5306 504
15° 4836 1356
25° 3681 1706
35° 2478 1562
45° 1366 1089
55° 776 713
65° 499 502
75° 336 357
85° 206 224
90° 140
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1585754535251
2535050484846
3484546434442
4454142394138
5413739363835
6383436333532
7353133303330
8322831283027
9302629262825
Zone Lumens %lamp
0–30° 3567 23.9
0–40° 5128 34.2
0–60° 6929 46.2
0–90° 8012 53.4
90–180°0 0.0
0–180° 8252 55.0*
* Fixture efficiency
50
0%
beam angle 51.0° beam angle 88.4
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 176.2 5.2' 88.110.7' 17.6
10' 94.8 7.2' 47.4 14.6
.5
12' 59.1 9.1' 29.5 18.5
.9
14'40.311.0' 20.2 22.4' 4.0
16'29.312.9' 14.6 26.3' 2.9
0°
90°
45°
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