Lightolier Lightolier, Alter Concept Elegance Lens, Page 2 of, Performance, Candlepower Curve

	Alter Concept Elegance Lens
Page 2 of 2	2' x 4' direct/indirect recessed fluorescent

Performance

Candlepower Curve 228180°

1500 1000 500

90°

0°

Report No: LSCB889

Cat. No: QCE2GOLOP228UNVPG

2 28W T5 Fluorescent Lamps at 2600 lumens. Efficiency: 92.7%

Candela at Nadir: 1438cd

CandlepowerZONE

DEG

	ALONG	22.5	45	67.5	ACROSS
0	1438	1438	1438	1438	1438
5	1442	1433	1435	1432	1432
10	1421	1412	1425	1426	1419
15	1390	1386	1397	1410	1410
20	1333	1336	1363	1378	1382
25	1274	1281	1311	1345	1355
30	1207	1211	1262	1303	1317
35	1117	1140	1200	1257	1271
40	1026	1052	1128	1198	1226
45	924	954	1047	1133	1167
50	811	852	960	1065	1105
55	708	748	872	994	1033
60	591	647	780	908	960
65	484	543	689	820	876
70	375	443	596	733	779
75	270	342	496	626	668
80	166	245	367	445	465
85	68	132	174	196	199
90	0	0	0	0	0

Room Cavity Ratio

COEFFICIENTS OF UTILIZATION

ZONAL CAVITY METHOD * EFFECTIVE FLOOR CAVITY REFLECTANCE = .20

		80						70			50
				Wall Reflectance
	70	50	30	10		70	50	30	10	50	30	10
0	1.10	1.10	1.10	1.10		1.08	1.08	1.08	1.08	1.03	1.03	1.03
1	1.00	.96	.91	.88		.98	.94	.90	.86	.89	.86	.83
2	.91	.83	.76	.71		.88	.81	.75	.70	.78	.73	.68
3	.83	.72	.65	.59		.80	.71	.64	.58	.68	.62	.57
4	.75	.64	.56	.49		.73	.63	.55	.49	.60	.54	.48
5	.69	.56	.48	.41		.67	.55	.47	.41	.53	.46	.41
6	.63	.50	.42	.36		.61	.49	.41	.35	.47	.40	.35
7	.58	.45	.37	.31		.56	.44	.36	.30	.43	.35	.30
8	.53	.40	.32	.26		.52	.39	.32	.26	.38	.31	.26
9	.49	.36	.28	.23		.48	.36	.28	.23	.34	.27	.22
10	.46	.33	.25	.20		.45	.32	.25	.20	.31	.24	.20
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES
			LUMINAIRE INPUT WATTS = 61.5
	DISTRIBUTION
	ZONE	LUMENS			% LAMP			% LUMINAIRE
	0-30		1136		21.86			23.58
	0-40		1885		36.25			39.10
	0-60		3470		66.74			71.98
	0-90		4821		92.72			100.00
	40-90		2936		56.47			60.90
	60-90		1350		25.98			28.02
	90-180		0		.00			.00
	0-180		4821		92.72			100.00

		Job Information		Type:
Lightolier	www.lightolier.com	Canlyte		www.canlyte.com
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710		3015 Louis-Amos, Lachine, Québec	H8T 1C4 • (514) 636-0670 • (514) 636-0460
We reserve the right to change details of design, materials and finish.
© 2008 Philips Group • QCE2x4OLOP.pdf

Lightolier is a Philips group brand