Cooper Lighting MPWA Efficiency=57.4%, Photometrics, C a n d l e p o wer Distr ibution

PHOTOMETRICS

C a n d l e p o wer Distr ibution

Reading Light Only (Lamp Lower Compartment)

MPWA-2/254-120-EB53-EXLR-LVCP-GCO-NRLL

Lamp=(1) Lumens=4400 each

Spacing Criteria (0-180)=1.38 (90-270)=1.16

. Efficiency=64.1%

				Aver ag e Luminance							Zonal Lumen Summary
				Deg.	0o		45o	90o			Zone		Lumens	%Lamp	% Luminaire
											0-30		813.84	18.5		28.9
				45	7264		4727	3545
											0-40		1295.15	29.4		45.9
				55	7175		4146	2805
											0-60		2170.59	49.3		77
				65	7197		3596	2022
											0-90		2751.73	62.5		97.6
				75	7932		2983	1138
											90-180		66.95	1.5		2.4
				85	11156		2310	265
										0-180			2818.67	64.1		100
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	76	76	76	76	74	74	74	70	70			67	67	64	64	63
	69	66	63	61	64	62	59	61	57			59	55	56	53	52
1
	63	58	53	50	56	52	49	54	47			51	46	49	45	43
2
3	58	51	46	41	50	45	41	48	40			46	39	44	38	37
4	53	45	40	35	44	39	35	42	34			41	34	39	33	32
5	49	41	35	31	40	34	30	38	30			37	29	35	29	28
6	45	37	31	27	36	31	27	35	26			33	26	32	26	24
7	42	33	28	24	33	27	24	37	23			31	23	30	23	22
8	39	30	25	21	30	25	21	29	21			28	21	27	21	19
9	36	28	23	19	28	23	19	27	19			26	19	25	19	18
10	34	26	21	18	25	21	17	25	17			24	17	23	17	16

rc=Ceiling reflectance, rw=Wall reflectance, RCR=Room cavity ratio CU Data Based on 20% Effective Floor Cavity Reflectance.

Candlepower Distr ibution Aver ag e Luminance Zonal Lumen Summary

Deg.	0o	45o	90o
45	15760	9081	5168
55	17380	8629	4142
65	19368	8183	3019
75	23675	7653	1719
85	38917	7111	431

Zone	Lumens	%Lamp	% Luminaire
0-30	1153.82	13.1	22.8
0-40	1882.73	21.4	37.2
0-60	3347.95	38	66.2
0-90	4679.93	53.2	92.6
90-180	374.55	4.3	7.4
0-180	5054.48	57.4	100

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	67	67	67	67	65	65	65	61	61	58	58	55	55	53
		60	57	54	52	55	53	50	52	48	49	46	46	44	42
	1
		54	49	45	41	48	44	40	45	39	42	37	40	36	34
	2
	3	49	43	38	34	42	37	33	39	32	37	31	35	30	29
	4	45	38	33	29	37	32	28	35	27	33	26	31	26	24
	5	42	34	28	24	33	28	24	31	23	30	23	28	22	21
Reading & Exam Light (2 Lamps, Lower Compartment)	6	38	30	25	21	30	25	21	28	20	27	20	25	19	18
	7	35	28	22	19	27	22	19	26	18	24	18	23	17	16
MPWA-2/254-120-EB53-EXLR-LVCP-GCO-NRLL
	8	33	25	20	17	24	20	16	23	16	22	16	21	15	14
Lamp=(2) Lumens=4400 each
	9	31	23	18	15	22	18	15	22	15	21	14	20	14	14
Spacing Criteria	10	29	21	17	14	21	16	13	20	13	19	13	18	13	12

(0-180)=1.82 (90-270)=1.20		r c=Ceiling reflectance, rw=Wall reflectance, RCR=Room cavity ratio
. Efficiency=57.4%		CU Data Based on 20% Effective Floor Cavity Reflectance.
	C a n d l e po wer Distr ibution		Aver ag e Luminance					Zonal Lumen Summary
			Deg.	0o	45o	90o	Zone		Lumens	%Lamp %Luminair e

45	14763	8498	4835
55	16297	8078	3869
65	18189	7676	2819
75	22255	7187	1600
85	36514	6690	392

0-30	1082.65	6.2	11.9
0-40	1766.46	10	19.4
0-60	3142.2	17.9	34.5
0-90	4395.66	25	48.3
90-180	4702.98	26.7	51.7
0-180	9098.65	51.7	100

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	55	55	55	55	51	51	51	43	43	35	35	28	28	25
		50	47	45	43	43	42	40	36	34	30	28	24	23	20
	1
		45	41	38	35	38	35	32	32	27	26	23	21	19	16
	2
	3	41	36	32	29	33	29	27	28	23	23	19	18	16	13
	4	37	32	27	24	29	25	22	24	19	20	16	16	13	11
	5	34	28	24	20	26	22	19	22	17	18	14	15	11	10
	6	32	25	21	18	23	19	17	20	14	16	12	13	10	9
Exam & General Illumination (All Lamps On)	7	29	23	18	15	21	17	14	18	13	15	11	12	9	8
MPWA-2/254-120-EB53-EXLR-LVCP- GCO-NRLL	8	27	21	16	14	19	15	13	16	11	14	10	11	8	7
	9	25	19	15	12	17	14	11	15	10	12	9	10	7	6
Lamp=(4) Lumens=4400
	10	23	17	13	11	16	12	10	14	9	11	8	9	6	5
Spacing Criteria
		r c=Ceiling reflectance, rw=Wall reflectance, RCR=Room cavity ratio
(0-180)=N.A. (90-270)=N.A.
		CU Data Based on 20% Effective Floor Cavity Reflectance.
Efficiency=51.7%

Specifications and Dimensions subject to change without notice.	ADC041674
Fail-Safe • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801	04/04/2007 9:10:39 AM