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.
PAGE 3 OF 3
LAH-12-SQUARE-T73
LAH 175M 12FW T73
175W M175/C/U LAMP, 1.1 S/MH, 12000 RATED LUMENS, TEST NO. 2189020809
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
12” LAH
Square Lens
T73 Prismatic 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 T73
250W M250/C/U LAMP, 1.1 S/MH, 20500 RATED LUMENS, TEST NO. 2189032203
LAH 150S 12FW T73
150W LU150/55/D/MOG LAMP, 1.1 S/MH, 15000 RATED LUMENS, TEST NO. 2189020707
From 0° cp. Lumens
0° 3090
5° 3066 292
15° 2898 817
25° 2505 1155
35° 1932 1206
45° 1196 938
55° 628 578
65° 309 317
75° 155 166
85° 46 54
Zone Lumens %lamp
0°-30° 2263 18.9
0°-40° 3469 28.9
0°-60° 4985 41.6
0°-90° 5522 46.02
90°-180°0 0.0
0°-180° 5522 46.02*
* Fixture efficiency
ρ c80% 50%30%
ρw50% 30% 50% 30% 50%30%
1504847464544
2454343414240
3413839373836
4383536343533
5353133313230
6322831283027
7292628252725
8272326232523
9252124212321
50
0%
beam angle 57.9° beam angle 96.6
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 102.2 6.1' 51.1 12.1
0.2
10' 54.98.3' 27.5 16.5
.5
12'34.2 10.5'17.121.0' 3.4
14'23.4 12.7'11.725.4' 2.3
16'17.0 14.9' 8.5 29.8' 1.7
0°
45°
700
90°
From 0° cp. Lumens
0° 5802
5° 5767 549
15° 5443 1534
25° 4693 2163
35° 3599 2248
45° 2235 1749
55° 1172 1080
65° 580 596
75° 297 317
85° 90 105
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1545351504948
2504747454544
3454243414240
4413840373936
5383436333533
6353133303330
7322831273027
8292628252825
9272326232623
Zone Lumens %lamp
0–30° 4245 20.7
0–40° 6493 31.7
0–60° 9323 45.5
0–90° 10341 50.4
90–180°0 0.0
0–180° 10341 50.4*
* Fixture efficiency
50
0%
beam angle 57.7° beam angle 95.6
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 191.8 6.1' 95.912.1' 19.2
10' 103.2 8.3' 51.616.5' 10.3
12'64.3 10.5' 32.1 20.9
.4
14'43.9 12.7' 21.9 25.3
.4
16'31.8 14.9' 15.9 29.7
.2
0°
90°
45°
From 0° cp. Lumens
0° 4552
5° 4533 431
15° 4293 1209
25° 3695 1704
35° 2819 1759
45° 1705 1341
55° 890 820
65° 435 447
75° 221 236
85° 66 77
90° 8
Zone Lumens %lamp
0–30° 3344 22.3
0–40° 5103 34.0
0–60° 7264 48.4
0–90° 8024 53.5
90–180°0 0.0
0–180° 8024 53.5*
* Fixture efficiency
50
0%
beam angle 57.9° beam angle 96.0
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 150.5 6.1' 75.312.0' 15.1
10' 80.9 8.3' 40.5 16.4
.1
12'50.410.5' 25.2 20.7' 5.0
14'34.412.7' 17.2 25.1' 3.4
16'25.014.9' 12.5 29.5' 2.5
0°
90°
45°
1000
2000
3000
4000
5000
ρ f20%
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1585654535251
2535050484847
3484546434442
4444142394139
5403739363835
6373336333532
7343033293229
8312730273027
9292528242724
(6 paginas)
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