Specification Sheet
Lumination
TM
DI6S Series Downlights
Photometric Data:
Medium Distribution
COEFFICIENTS OF UTILIZATION
NOTE: Floor Cavity Reflectance : 20%
RC 80% 70% 50% 30% 10% 0%
RW 70% 50% 30% 10% 70% 50% 30% 10% 50% 30% 10% 50% 30% 10% 50% 30% 10% 0%
0 119 119 119 119 116 116 116 116 111 111 111 106 106 106 102 102 102 100
1 114 111 109 107 111 109 107 105 105 103 102 101 100 99 98 97 96 94
2 109 104 101 97 107 103 99 96 99 97 94 96 94 92 94 92 90 89
3 104 98 93 90 102 97 92 89 94 91 88 92 89 86 89 87 85 84
4 99 92 87 83 98 91 87 83 89 85 82 87 84 81 85 82 80 79
5 95 87 82 78 93 86 81 78 85 80 77 83 79 76 81 78 76 74
6 91 83 77 73 89 82 77 73 80 76 72 79 75 72 78 74 71 70
7 87 78 73 69 85 78 72 69 76 72 68 75 71 68 74 70 68 66
8 83 74 69 65 82 74 69 65 73 68 65 72 68 64 71 67 64 63
9 80 71 65 62 78 70 65 62 69 65 61 68 64 61 68 64 61 60
10 76 67 62 59 75 67 62 58 66 62 58 65 61 58 65 61 58 57
Zone Lumens Lumens Lumens Lumens Lumens % of Fixture
0 - 30° 785 1159 1571 2357 3084 81.3
0 - 40° 936 1381 1872 2808 3674 96.8
0 - 60° 961 1418 1922 2883 3772 99.4
0 - 90° 967 1427 1934 2901 3796 100
NOMINAL MODULE LUMENS
ZONAL LUMEN SUMMARY
1000 1500 2000 3000 4000
Angle Candela Candela Candela Candela Candela
0 1613 2380 3225 4838 6331
5 1577 2328 3154 4732 6192
10 1415 2089 2830 4245 5555
15 1200 1772 2400 3601 4712
20 975 1439 1950 2924 3827
25 759 1120 1518 2277 2980
30 422 623 845 1267 1658
35 163 241 327 490 641
40 49 72 98 147 192
45 11 17 23 34 45
50 5 8 11 16 21
55 3 5 7 10 13
60 3 4 5 8 10
NOMINAL MODULE LUMENS
CANDLEPOWER SUMMARY
1000 1500 2000 3000 4000
Height fc fc fc fc fc Dia. (ft.)
6’ 45 66 90 134 176 5.2
8’ 25 37 50 76 99 7.0
10’ 16 24 32 48 63 8.7
12’ 11 17 22 34 44 10.4
14’ 8 12 16 25 32 12.2
16’ 6 9 13 19 25 13.9
18’ 5 7 10 15 20 15.7
20’ 4 6 8 12 16 17.4
NOMINAL MODULE LUMENS
CONE OF LIGHT
1000 1500 2000 3000 4000
APPLICATION REFERENCE (Open Space)
LLF: 1.0 Initial, 80/50/20 Reflectances, 2.5’ workplane LLF: 1.0 Initial, 80/50/20 Reflectances, Light levels on the ground
Spacing Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
4’ x 4’ 61.5 1.08 90.7 1.50 122.9 1.92 160.9 2.58 210.6 3.36
6’ x 6’ 28.7 0.50 42.3 0.70 57.4 0.90 75.1 1.20 98.3 1.57
8’ x 8’ 15.4 0.27 22.7 0.38 30.7 0.48 40.2 0.65 52.6 0.84
10’ x 10’ 10.2 0.18 15.1 0.25 20.5 0.32 26.8 0.43 35.1 0.56
NOMINAL MODULE LUMENS
1000 1500 2000 3000 4000
Spacing Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
4’ on ctr. 28.7 0.75 42.4 1.04 57.4 1.33 59.2 1.79 77.5 2.33
6’ on ctr. 19.5 0.51 28.8 0.71 39.1 0.91 40.3 1.22 52.7 1.59
8’ on ctr. 13.8 0.36 20.3 0.50 27.6 0.64 28.4 0.86 37.2 1.12
10’ on ctr. 11.5 0.30 17.0 0.42 23.0 0.53 23.7 0.72 31.0 0.93
NOMINAL MODULE LUMENS
1000 1500 2000 3000 4000
APPLICATION REFERENCE (Corridor)
10’ ceiling, Open Space: 50’ x 40’ x 10’ 10’ ceiling, Corridor: 6’ W x 100’ L20’ ceiling, Open Space: 50’ x 40’ x 20’ 20’ ceiling, Corridor: 6’ W x 100’ L
Medium – 1000, 1500, 2000 Lm
3232
10 20 30 40
2424
1616
808
90
80
70
60
50
POLAR GRAPH
Medium – 3000, 4000 Lm
6345
10 20 30 40
4759
3175
1580
90
80
70
60
50
POLAR GRAPH
Spacing Criteria: DI6S - Medium = 0.74