Lightolier CL-1 Quick Calculators and Ceiling Brightness, Candlepower Curve, Report no LRL896-1F

																			Lighting Systems CL-1
1BHF  PG 																		Covelite™ -BNQ 5 QFS 'PPU 4FDUJPO
Performance
	CANDLEPOWER CURVE								CANDLEPOWER										COEFFICIENTS OF UTILIZATION
						Zone	0	22	45	67	90	112	135	157	180			% EFFECTIVE CEILING CAVITY REFLECTANCE
1000	175	165	155	145	135	Deg.
					125
										CANDELAS									80			70			50
800
600					115	180	433	433	433	433	433	433	433	433	433			50	30	% WALL REFLECTANCE					30	10
						175	540	524	514	464	444	393	382	352	344					10	50	30	10	50
400					105												1	62	59	57	53	51	49	36	35	34
						165	772	739	678	535	438	303	238	171	160	RATIO	2	54	50	47	47	43	40	32	30	28
200					95	155	985	926	816	579	411	199	153	96	91		3	48	43	39	41	37	34	28	26	24
					90	135	1142	1084	959	608	297	74	25	6	0	CAVITY	4	42	37	32	36	32	28	25	22	20
																	6	33	27	23	28	24	20	19	17	14
					85	145	1142	1099	952	607	364	122	76	39	30		5	37	31	27	32	27	24	22	19	17
					75	115	1034	988	816	487	145	0	0	0	0	ROOM	7	29	24	20	25	21	17	17	15	12
																	9	24	19	15	21	16	13	14	11	9
						125	1154	1034	888	619	231	33	0	0	0		8	26	21	17	23	18	15	16	13	11
					65												10	22	17	13	19	15	12	13	10	8
						105	721	703	660	385	85	0	0	0	0
					55	95	255	250	227	180	33	0	0	0	0				20% FLOOR CAVITY REFLECTANCE
	5		25
0		15		35	45	90	72	66	46	25	0	0	0	0	0
REPORT NO: LRL896-1F						0	0	0	0	0	0	0	0	0	0
						Distribution Summary
LAMP: 1-F32T8
LUMENS: 2900						Zone		Lumens		% Barelamp			%Luminaire
EFFICIENCY: 75.3%						0-90		769			0.0			0.0
						90-180		2184			75.3			100.00
						0-180		2184			75.3			100.00

Quick Calculators and Ceiling Brightness

Readings are rounded off based on initial footcandles at center of 20-foot run of luminaires. Room reflectance is 80% ceiling, 50% wall and 20% floor.

			1Lt, 2 Fixtures, 2 Walls, 11" (0.28m) from Ceiling
				Distance from wall
	0'		2'	4'	6'	8'	10'	12'	14'
		0	0.61m	1.22m	1.83m	2.44m	3.05m	3.66m	4.27m
From Ceiling	11" (0.28m)		105	32	14	14	32	105
	8'6" (2.59m)		36	36	35	35	36	36
Distance	9'6" (2.90m)		34	34	34	34	34	34
	10'6" (3.20m)		31	32	32	32	32	31
	11'6" (3.51m)		30	30	30	30	30	30
	12'6" (3.81m)		28	29	29	29	29	28

			1Lt, 2 Fixtures, 2 Walls, 14" (0.36m) from Ceiling
				Distance from wall
	0'		2'	4'	6'	8'	10'	12'	14'
		0	0.61m	1.22m	1.83m	2.44m	3.05m	3.66m	4.27m
From Ceiling	14" (0.36m)		116	44	17	17	44	116
	8'6" (2.59m)		35	36	35	35	36	35
Distance	9'6" (2.90m)		33	34	34	34	34	33
	10'6" (3.20m)		31	32	32	32	32	31
	11'6" (3.51m)		29	30	30	30	30	29
	12'6" (3.81m)		27	28	29	29	28	27

			1Lt, 1 Fixture, 1 Wall, 11" (0.28m) from Ceiling
				Distance from wall
	0'		2'	4'	6'	8'	10'	12'	14'
		0	0.61m	1.22m	1.83m	2.44m	3.05m	3.66m	4.27m
From Ceiling	11" (0.28m)		100	27	8	6	5	5
	8'6" (2.59m)		26	24	20	15	12	10
Distance	9'6" (2.90m)		23	22	18	15	12	10
	10'6" (3.20m)		21	20	17	15	12	10
	11'6" (3.51m)		19	18	16	14	12	10
	12'6" (3.81m)		18	17	15	14	12	10

Maximum Candle Power:1154 CD at 125° Brightness ratio on vertical wall above fixture is:

1:1.5 when mounted 11" (0.28m) from ceiling; 1:1.7 when mounted 14" (0.36m) from ceiling.

			1Lt, 2 Fixtures, 1 Wall, 14" (0.36m) from Ceiling
				Distance from wall
	0'		2'	4'	6'	8'	10'	12'	14'
		0	0.61m	1.22m	1.83m	2.44m	3.05m	3.66m	4.27m
From Ceiling	14" (0.36m)		111	39	10	7	5	5
	8'6" (2.59m)		25	23	20	16	12	10
Distance	9'6" (2.90m)		23	21	18	15	12	10
	10'6" (3.20m)		20	19	17	15	12	10
	11'6" (3.51m)		19	18	16	14	12	10
	12'6" (3.81m)		17	17	15	13	12	10

Job Information Type:


"JSQPSU
3PBE
'BMM
3JWFS
."

t


t
'BY



We reserve the right to change details of design, materials and finish.

XXXMJHIUPMJFSDPN
½

1IJMJQT
(SPVQ
t #