Lightolier Silhouette SJ Performance, Quick Calculators, Fixture Length & Mounting Locations

Lighting Systems Silhouette® SJ

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Performance

CANDLEPOWER CURVE

135˚	145˚	155˚	165˚	175˚ 180˚
					750
125˚					600
115˚					450
	45˚		0˚		300
105˚
95˚					150
90˚					0
85˚					150
75˚
65˚
55˚
45˚	35˚	25˚	15˚	5˚	0˚
REPORT NO: LRL 299-1K
CAT NO: SJ14I281WH
LAMPS: 1 F28T5
LUMENS: 2900
EFFICIENCY: 81.5%

Quick Calculators

	0'				DISTANCE FROM WALL				5'
				1'		2'	3'	4'
FIXTURE	1'6"
			124fc			59fc	26fc	16fc	11fc
	6"	128fc
ABOVE		218fc
	0'
DISTANCE

80% ceiling, 50% walls, 10' ceiling

			CANDLEPOWER													COEFFICIENTS OF UTILIZATION
ZONE		0			22			45	67	90				% EFFECTIVE CEILING CAVITY REFLECTANCE
DEG.
				CANDELAS
																80				70				50
180	440				440			440	440	440							WALL REFLECTANCE
175	462				462			454	465	439
														70		50	30	70		50	30		50	30	10
165	540				540			500	472	426
													0	81		81	81	71		71	71		53	53	53
155	636				616			545	463	406		RATIO	1	71		67	63	62		58	55		43	40	38
135	759				719			584	400	290
145	712				681			577	431	355			2	64		57	52	56		50	45		36	33	30
125	750				756			597	344	231		CAVITY	3	58		50	44	50		43	38		31	28	25
													4	53		44	37	46		38	33		28	24	21
105	654				613			483	266	86
115	726				377			554	295	156			5	48		39	32	42		34	28		25	21	17
90	482				443			321	128	6		ROOM	6	44		34	28	38		30	24		22	18	15
													8	38		28	21	33		24	19		18	14	11
95	524				487			386	171	17			7	41		31	24	35		27	21		20	16	13
85	428				389			270	94	4			9	35		25	19	30		22	17		16	12	10
75	296				245			133	6	6
													10	32		23	17	28		20	15		15	11	9
65	132				40			13	7	5					20% FLOOR CAVITY REFLECTANCE
55		19			14			12	14	11
45		12			12			14	12	12			DISTRIBUTION
35		12			13			12	11	14
25		13			13			19	9	16			Zone			Lumens			% Lamp			% Luminaire
15		11			10			8	10	20			0-90			394				13.6			16.7
5		12			12			13	16	21			90-180			1968				67.9			83.3
0		20			20			20	20	20			0-180			2362				81.5			100.0
Calculations are for 28 watt T5 lamps, for 54 watt T5 lamps multiply by 1.7
			0'				DISTANCE FROM WALL				5'						0'		DISTANCE FROM WALL					5'
	FIXTURE	2'6"			1'			2'	3'	4'					FIXTURE	3'6"		1'		2'	3'		4'
						87fc		65fc	37fc	22fc	15fc						57fc	63fc		56fc	41fc		27fc	18fc
		1'6"		78fc												2'6"
	ABOVE			67fc											ABOVE		44fc
		6"														1'6"
	DISTANCE			196fc											DISTANCE		50fc
		0'														6"
						80% ceiling, 50% walls, 11' ceiling											187fc		80% ceiling, 50% walls, 12' ceiling
																0'

Fixture Length & Mounting Locations

		80” (203.20cm)
	32” (81.28cm)
4-Foot Joiner		8-Foot Joiner
48” (121.92cm)		96” (243.84cm)

Sample Run				16”			16”
	End Set
			(40.64cm)			(40.64cm)
					32” (81.28cm)
		80” (203.20cm)						80” (203.20cm)
					4-Foot Joiner
		8-Foot Joiner						8-Foot Joiner

20’ 1/8” (609.92cm)

End Set

End Set

SEWH (white)

SEAL (aluminum)

Job Information Type:


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