Specification

Lithonia Lighting
Recessed Downlighting and Track
One Lithonia Way, Conyers, GA 30012
Phone: [phone] Fax: [phone]
www.lithonia.com
Sheet #: LF6N-BAFFLE-2-DTT
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance Data at 30” Above Floor for
a Single Luminaire
6” LF6N Horizontal, 2-Lamp Double Twin-Tube (DTT), Baffle
© 2009-2011 Acuity Brands Lighting, Inc. All rights reserved. Rev. 3/7/11
LF6N 2/26DTT F6B3W MVOLT,(2) Philips PL-C 26W/27SH lamp, 1.0 s/mh, 3600 rated lumens, test no. 2195072603
LF6N 2/26DTT F6B3 MVOLT,(2) Philips PL-C 26W/27SH lamp, 0.9 s/mh, 3600 rated lumens, test no. 2195072601
50% 10%
Beam angle 49.3° Beam angle
82.1°
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8’ 28.7 5.1 14.4 9.6 2.9
10’ 15.5 6.9 7.7 13.1 1.5
12’ 9.6 8.7 4.8 16.5 1.0
14’ 6.6 10.6 3.3 20.0 .7
16’ 4.8 12.4 2.4 23.5 .5
Zone Lumens %lamp
0°-30° 565 15.71
0°-40° 773 21.48
0°-60° 925 25.69
0°-90° 936 26.02
90°-180° 0 0.0
0°-180° 936 26.02*
*Total Efficiency
From 0° cp. Lumens
0° 869
5° 864 82
15° 784 220
25° 570 263
35° 326 208
45° 131 110
55° 41 42
65° 6 9
75° 3 2
85° 1 1
90° 0
rf 20%
rc 80% 70% 50%
rw 50% 30% 50% 30% 50% 30%
1 29 28 27 27 26 26
2 27 26 26 25 25 24
3 25 24 24 23 24 23
4 24 22 23 22 22 22
5 22 21 22 20 21 20
6 21 19 20 19 20 19
7 20 18 19 18 19 18
8 18 17 18 17 18 17
9 17 16 17 16 17 15
10 16 15 16 15 16 14
50% 10%
Beam angle 52.2° Beam angle 88.6°
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8’ 31.4 5.4 15.7 10.7 3.1
10’ 16.9 7.4 8.4 14.6 1.7
12’ 10.5 9.3 5.3 18.5 1.1
14’ 7.2 11.3 3.6 22.4 .7
16’ 5.2 13.2 2.6 26.4 .5
Zone Lumens %lamp
0°-30° 650 18.08
0°-40° 932 25.90
0°-60° 1264 35.11
0°-90° 1398 38.85
90°-180° 0 0.00
0°-180° 1398 38.85*
*Total Efficiency
From 0° cp. Lumens
0° 949
5° 946 90
15° 878 246
25° 682 314
35° 447 282
45° 247 197
55° 148 134
65° 83 84
75° 39 41
85° 7 10
90° 0
rf 20%
rc 80% 70% 50%
rw 50% 30% 50% 30% 50% 30%
1 42 41 40 39 38 38
2 39 37 37 35 35 34
3 35 33 34 32 33 31
4 33 30 31 29 30 29
5 30 27 29 27 28 26
6 28 25 27 25 26 24
7 26 23 25 22 24 22
8 24 21 23 21 23 20
9 22 19 21 19 21 19
10 20 18 20 18 20 17