Cooper Lighting Indoor Furnishings Photometrics 2VRGC-2U6T8A, Coefficients of Utilization Candela

2VRGC

PHOTOMETRICS

2VRGC-2U6T8A

Electronic Ballast

FB31T8/TL41/6 Lamps

2600 Lumens

Spacing criterion: (II) 1.2 x mounting height, () 1.3 x mounting height

Efficiency 68.1%

Test Report #126P132

LER = FL-57

Yearly Cost of 1000 lumens, 3000 hrs at

.08 KWH = $4.21

Coefficients of Utilization

Candela

Angle	Along II	45o	Across
0	1464	1464	1464
5	1465	1458	1462
10	1446	1446	1456
15	1410	1420	1441
20	1358	1380	1409
25	1290	1323	1355
30	1204	1240	1270
35	1096	1134	1172
40	966	1010	1072
45	816	863	953
50	651	711	797
55	501	550	599
60	383	382	420
65	287	253	304
70	212	169	237
75	160	133	192
80	120	113	145
85	65	64	78
90	0	0	0

2VRGC-2U1-5/8A
Electronic Ballast
FBO31/35K Lamps
2725 Lumens
Spacing criterion:
(II) 1.2 x mounting
height, (	) 1.3 x
mounting height
Efficiency 70.5%
Test Report
#LSI14326
LER = FL-63
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.81

Coefficients of Utilization

Candela

Angle	Along II	45o	Across
0	1563	1563	1563
5	1553	1560	1565
10	1528	1549	1560
15	1494	1525	1554
20	1440	1491	1535
25	1368	1438	1497
30	1275	1363	1434
35	1160	1265	1348
40	1016	1135	1225
45	852	970	1057
50	681	790	847
55	528	597	636
60	407	412	449
65	307	271	329
70	230	185	258
75	173	148	212
80	129	126	160
85	67	69	80
90	0	0	0

	Effective 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
RCR
0	81	81	81	81	79	79	79	79	76	76	76	72	72	72	69	69	69	68
1	75	72	70	67	73	71	68	66	68	66	64	65	64	62	63	62	60	59
2	69	64	60	57	68	63	60	56	61	58	55	59	56	54	57	55	53	51
3	64	58	53	49	63	57	52	49	55	51	48	53	50	47	51	49	46	45
4	59	52	47	43	58	51	46	42	49	45	42	48	44	41	46	43	41	39
5	54	46	41	37	53	46	40	37	44	40	36	43	39	36	42	38	35	34
6	50	42	36	32	49	41	36	32	40	35	32	39	35	32	38	34	31	30
7	47	38	32	28	45	37	32	28	36	32	28	35	31	28	34	31	28	26
8	43	34	29	25	42	34	28	25	33	28	25	32	28	24	31	27	24	23
9	40	31	25	21	39	30	25	21	29	25	21	29	24	21	28	24	21	20
10	37	28	23	19	36	28	22	19	27	22	19	26	22	19	26	22	19	18

	Effective 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
RCR
0	84	84	84	84	82	82	82	82	78	78	78	75	75	75	72	72	72	71
1	78	75	72	70	76	73	71	69	70	68	67	68	66	65	65	64	63	61
2	72	67	63	59	70	65	62	58	63	60	57	61	58	56	59	57	55	53
3	66	60	55	51	65	59	54	50	57	53	50	55	52	49	53	50	48	46
4	61	54	48	44	60	53	48	44	51	47	43	50	46	43	48	45	42	41
5	56	48	42	38	55	47	42	38	46	41	37	45	40	37	43	40	37	35
6	52	43	38	34	51	43	37	33	42	37	33	40	36	33	39	35	32	31
7	48	39	34	30	47	39	33	29	38	33	29	37	32	29	36	32	29	27
8	45	35	30	26	43	35	29	26	34	29	25	33	29	25	32	28	25	24
9	41	32	26	22	40	31	26	22	31	26	22	30	25	22	29	25	22	21
10	38	29	23	20	37	29	23	20	28	23	20	27	23	19	27	22	19	18

Zonal Lumen Summary				Typical VCP Percentages					Zonal Lumen Summary				Typical VCP Percentages
														Height Along		Height Across
					Height Along		Height Across		Zone	Lumens	%Lamp	%Fixture
													Room Size (Ft.)	8.5’	10.0’	8.5’	10.0’
Zone	Lumens	%Lamp	%Fixture	Room Size (Ft.)	8.5'	10.0'	8.5'	10.0'
									0-30	1239	22.8	32.3	20 x 20	62	67	58	63
0-30	1150	22.1	32.5	20 x 20	64	69	61	66
									0-40	2022	37.1	52.6	30 x 30	54	59	50	55
0-40	1859	35.8	52.5	30 x 30	57	61	54	58
									0-60	3278	60.2	85.3	30 x 60	45	48	40	44
0-60	3020	58.1	85.3	30 x 60	48	51	43	47
									0-90	3843	70.5	100.0	60 x 30	55	60	53	58
0-90	3541	68.1	100.0	60 x 30	58	63	56	61
									0-180	3843	70.5	100.0	60 x 60	45	48	42	45
0-180	3541	68.1	100.0	60 x 60	48	51	44	48

ORDERING INFORMATIN

SHIPPING INFORMATION
Catalog No.	Wt.
2VRGC-217A-LTS	19 lbs.
2VRGC-220A-LTS	19 lbs.
2VRGC-417A-LTS	21 lbs.
2VRGC-420A-LTS	21 lbs.
2VRGC-2U6A	18 lbs.
2VRGC-2U6T8A	18 lbs.
2VRGC-2U1-5/8A	18 lbs.
2VRGC-3U1-5/8A	18 lbs.

Specifications and Dimensions subject to change without notice.	ADC041495
Fail-Safe • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801	04/17/2007 4:29:32 PM