Cooper Lighting TF28 Performance, Maintenance, Photometrics, Candlepower Distribution

TF28

PERFORMANCE MAINTENANCE

PHOTOMETRICS

Candlepower Distribution

4522	180
3391
2261
1130
90	90

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

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

Test No. TF28150ICE24093

Lamp= 150W Icetron™

Lumens= 12,000

Efficiency= 75.8%

Coefficient of Utilization

rc			80%			70%			50%		30%		10%	0%
rw	70	50	30	10	50	30	10	50	10	50	10	50	10	0
RCR
0	90	90	90	90	88	88	88	84	84	81	81	77	77	77
1	83	80	77	75	78	76	73	75	71	72	69	70	67	65
2	76	71	66	62	69	65	61	67	60	64	59	62	57	56
3	70	63	57	53	62	57	52	60	51	58	50	56	50	48
4	65	56	50	45	55	50	45	54	45	52	44	50	43	42
5	60	51	44	40	50	44	40	48	39	47	39	46	38	37
6	56	46	40	35	45	39	35	44	35	43	34	42	34	33
7	52	42	36	31	41	36	31	40	31	39	31	38	31	29
8	48	39	33	28	38	32	28	37	28	36	28	35	28	26
9	45	36	30	26	35	30	26	34	26	34	25	33	25	24
10	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.

ORDERING INFORMATION

Specifications and Dimensions subject to change without notice.	ADC041739
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