Cooper Lighting TF28 Indoor Furnishings User Manual


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Fail-Safe • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801
04/10/2007 9:39:52 AM
Specifications and Dimensions subject to change without notice.
ADC041739
PHOTOMETRICS
MAINTENANCE
PERFORMANCE
ORDERING INFORMATION
TF28
Candlepower Distribution
Zonal Lumen Summary
Zone Lumens %Lamp %Luminaire
0-30 3117 26.0 34.3
0-40 4818 40.2 53.0
0-60 7716 64.3 84.9
0-90 9091 75.8 100.0
90-180 0 0.0 0.0
0-180 9091 75.8 100.0
80% 70% 50% 30% 10% 0%
70 50 30 10 50 30 10 50 10 50 10 50 10 0
90 90 90 90 88 88 88 84 84 81 81 77 77 77
83 80 77 75 78 76 73 75 71 72 69 70 67 65
76 71 66 62 69 65 61 67 60 64 59 62 57 56
70 63 57 53 62 57 52 60 51 58 50 56 50 48
65 56 50 45 55 50 45 54 45 52 44 50 43 42
60 51 44 40 50 44 40 48 39 47 39 46 38 37
56 46 40 35 45 39 35 44 35 43 34 42 34 33
52 42 36 31 41 36 31 40 31 39 31 38 31 29
48 39 33 28 38 32 28 37 28 36 28 35 28 26
45 36 30 26 35 30 26 34 26 34 25 33 25 24
43 33 27 24 33 27 23 32 23 31 23 31 23 22
rc=Ceiling reflectance, rw=Wall reflectance, RCR=Room cavity ratio
CU Data Based on 20% Effective Floor Cavity Reflectance.
Test No. TF28150ICE24093
Lamp= 150W Icetron™
Lumens= 12,000
Efficiency= 75.8%
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
Coefficient of Utilization
Candlepower
Deg.
0 4522 4522
5 4510 4464
15 4002 4106
25 3294 3421
35 2648 2779
45 1992 2129
55 1401 1475
65 840 904
75 365 385
85 50 44
90 0 0
90
90
180
4522
3391
2261
1130
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