Lightolier CL-3 manual Quick Calculators and Ceiling Brightness, Candlepower Curve

																			Lighting Systems CL-3
1BHF  PG 																Covelite™ -BNQ #JBY QFS 'PPU 4FDUJPO
Performance
	CANDLEPOWER CURVE								CANDLEPOWER										COEFFICIENTS OF UTILIZATION
						Zone	0	22	45	67	90	112	135	157	180			% EFFECTIVE CEILING CAVITY REFLECTANCE
	175	165	155	145	135	Deg.
2000
					125														80			70			50
										CANDELAS
1600
																				% WALL REFLECTANCE
						180	682	682	682	682	682	682	682	682	682
1200					115													50	30	10	50	30	10	50	30	10
						175	844	826	797	727	671	632	560	542	522		1	53	51	49	46	44	42	31	30	29
800					105	165	1323	1251	1125	860	645	497	267	179	145	RATIO	2	47	43	40	40	37	35	27	26	24
																	3	41	37	33	35	32	29	24	22	20
400
					95	155	1704	1601	1430	962	582	343	91	77	47		4	36	31	28	31	27	24	21	19	17
																CAVITY
0					90	145	2028	1918	1657	1053	501	158	32	16	14		5	32	27	23	27	23	20	19	16	14
					85												6	28	23	20	24	20	17	17	14	12
						135	2120	1966	1743	1079	410	68	12	12	12
																	7	25	21	17	22	18	15	15	12	11
																ROOM
					75	125	2488	2202	1741	1075	309	28	12	12	12		8	23	18	15	20	16	13	14	11	9
						115	1991	1964	1800	937	205	4	3	3	3		9	21	16	13	18	14	11	12	10	8
					65												10	19	14	12	16	13	10	11	9	7
						105	1435	1383	1261	825	94	2	0	0	0
																			20% FLOOR CAVITY REFLECTANCE
						95	812	754	735	366	26	2	0	0	0
					55
0	5	15	25	35	45	90	370	314	304	66	13	2	0	0	0
REPORT NO: LRL 1196-8A						85	0	0	0	0	0	0	0	0	0
LAMPS: 2-F40BX						Distribution Summary
LUMENS: 3150										% Barelamp			%Luminaire
EFFICIENCY = 64.7%						Zone		Lumens
						0-90		0			0			0
						90-180		4076			64.7			100.00
						0-180		4076			64.7			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.

Distance From Ceiling

	BIAX, 2 Fixtures, 2 Walls, 14" (0.36m) from Ceiling
		Distance from wall
0'	2'	4'	6'	8'	10'	12'	14'

00.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m

14" (0.36m)	230	86	35	35	86	230
8'6" (2.59m)	66	67	66	66	67	66
9'6" (2.90m)	61	63	63	63	63	61
10'6" (3.20m)	57	59	60	60	59	57
11'6" (3.51m)	54	56	56	56	56	54
12'6" (3.81m)	51	52	53	53	52	51

Distance From Ceiling

	BIAX, 2 Fixtures, 2 Walls, 18" (0.46m) from Ceiling
		Distance from wall
0'	2'	4'	6'	8'	10'	12'	14'

00.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m

18" (0.46m)	227	107	42	42	107	277
8'6" (2.59m)	64	67	67	67	67	64
9'6" (2.90m)	60	62	63	63	62	60
10'6" (3.20m)	56	59	60	60	59	56
11'6" (3.51m)	53	55	56	56	55	53
12'6" (3.81m)	50	52	53	53	52	50

			BIAX, 1 Fixture, 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)		221	76	20	15	11	10
	8'6" (2.59m)		46	43	37	29	23	19
Distance	9'6" (2.90m)		42	39	34	29	23	19
	10'6" (3.20m)		38	36	32	27	23	19
	11'6" (3.51m)		34	33	30	26	23	19
	12'6" (3.81m)		32	31	28	25	22	19

Maximum Candle Power:2488 CD at 125° Brightness ratio on vertical wall above fixture is:

1:1.4 when mounted 14" (0.36m) from ceiling; 1:1.4 when mounted 18" (0.46m) from ceiling.

			BIAX, 2 Fixtures, 1 Wall, 18" (0.46m) 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	18" (0.46m)		217	96	25	17	11	10
	8'6" (2.59m)		45	43	37	30	24	19
Distance	9'6" (2.90m)		40	39	34	29	24	20
	10'6" (3.20m)		36	35	32	28	23	20
	11'6" (3.51m)		33	32	30	26	23	19
	12'6" (3.81m)		31	30	28	25	22	10

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