Lightolier 8038 specifications 42W, 32W Quick Calculator, Spacing Ratio Along = 1.4 Across =

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32W

Quick Calculator

	100							ROOM SURFACE REFLECTANCES:
	90							80% Ceiling; 50% Wall; 20% Floor
								2400 Lumens Per Lamp
	80
FOOTCANDLES								RCR= 1(Rm. Width= 10xMtg. Ht. above work plane)
	70							RCR= 5 (Rm. Width= 2xMtg. Ht. above work plane)
	60							RCR=10 (Rm. Width= Mtg. Ht. above work plane)
	50
INITIAL	40
	30
	20
	10
		25		50		75	100	125	150	175	200	225
					AREA PER FIXTURE IN SQUARE FEET
	4	5	6	7	8	9	10	11	12	13	14	15

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 2 It. - 32 W PL-T units with clear reflector: for any level of illumination. For 26W lamps, multiply footcandles by 0.8.

Spacing Ratio: Along = 1.4 Across = 1.6

CERTIFIED TEST REPORT N0. ITL44462

INDEPENDENT TESTING LABORATORIES, INC.

RECESSED CALCULITE DOWNLIGHT 8-11/16" APERTURE SPECULAR CLEAR REFLECTOR

TWO PHILIPS 32-WATT 32W/35/4P TRIPLE U-TUBE. COMPACT FLUORESCENTS.

HORIZONTAL POSITION. LUMEN RATING =2400 LMS

				CANDLEPOWER SUMMARY
		ANGLE		0.0	45.0	90.0	135.0	180.0	FLUX
		90	0	1499 1499		1499	1499	1499
			5	1502 1555		1643	1573	1426	152
		15		1546 1829		2017	1862	1330	505
		25		1628 2073		2090	1747	1440	844
		7535		1312 1820		1842	1573	1242	1007
		45		823	1034	1242	1222	1181	849
700		55		31	55	61	58	61	118
		65		2	2	3	2	2	3
		6075		1	1	1	1	1	1
		85		0	0	0	0	0	0
		90		0	0	0	0	0
1400			ZONAL LUMENS AND PERCENTAGES
		45	ZONE	LUMENS		% LAMP		%LUMINAIRE
			0-30		1500	31.3			43.1
			0-40		2508	52.2			72.1
			0-60		3475	72.4			99.9
2100			0-90		3479	72.5			100.0
			90-180		0	0.0			0.0
0	15	30	0-180		3479	72.5			100.0
				** EFFICIENCY = 72.5% **
	0-deg:
	90-deg:
	180-deg:

DATE: Dec 4, 1995

TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES THE

GREATEST LUMINOUS OPENING OF LUMINAIRE.

Coefficients of Utilization

				% EFFECTIVE CEILING CAVITY REFLECTANCE
			80			70			50			30			10		0
						% WALL REFLECTANCE
		50	30	10	50	30	10	50	30	10	50	30	10	50	30	10	0
	1	79	.77	.75	.78	.76	.74	.75 .73 .72			.72	.71	.70	.69 .68 .68			.66
RATIO	2	.72	.69	.66	.71	.68	.65	.69	.66	.64	.66	.64	.62	.64	.62	.61	.60
	3	.66	.62	.58	.65	.61	.58	.63	.59	.57	.61	.58	.56	.59	.57	.55	.54
CAVITY	4	.60	.55	.52	.59	.55	.51	.58	.54	.51	.56	.53	.50	.55	.52	.49	.48
	6	.50	.45	.41	.50	.45	.41	.48	.44	.41	.47	.43	.40	.46	.43	.40	.39
	5	.55	.50	.46	.54	.49	.46	.53	.49	.45	.51	.48	.45	.50	.47	.44	.43
ROOM	7	.46	41	.37	.46	.41	.37	.45	.40	.37	.44	.40	.37	.43	.39	.36	.35
	8	.42	.37	.34	.42	.37	.34	.41	.37	.33	.40	.36	.33	.40	.36	.33	.32
	9	.39	.34	.31	.39	.34	.31	.38	.34	.30	.37	.33	.30	.37	.33	.30	.29
	10	.36	.31	.28	.36	.31	.28	.35	.31	.28	.35	.31	.28	.34	.30	.28	.26

20% FLOOR CAVITY REFLECTANCE For 26W lamps, multiply C.U.'s by 1.1.

Calculite® CFL Open Downlight  8038

8" Aperture (2) Triple Tube Horizontal Lamp

42W

Quick Calculator

	100							ROOM SURFACE REFLECTANCES:
	90							80% Ceiling; 50% Wall; 20% Floor
								3200 Lumens Per Lamp
	80
FOOTCANDLES								RCR= 1(Rm. Width= 10xMtg. Ht. above work plane)
	70							RCR= 5 (Rm. Width= 2xMtg. Ht. above work plane)
	60							RCR=10 (Rm. Width= Mtg. Ht. above work plane)
	50
INITIAL	40
	30
	20
	10
		25		50		75	100	125	150	175	200	225
					AREA PER FIXTURE IN SQUARE FEET
	4	5	6	7	8	9	10	11	12	13	14	15

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 2 It. - 42 Watt PL-T units with clear reflector: for any level of illumination.

Spacing Ratio: Along = 1.4 Across = 1.7

CERTIFIED TEST REPORT N0. ITL44463

INDEPENDENT TESTING LABORATORIES, INC.

RECESSED CALCULITE DOWNLIGHT 8038CLIF/8242HE120

8 ? " APERTURE SPECULAR CLEAR REFLECTOR

TWO PHILIPS 42-WATT PL-T 42W/4P TRIPLE U-TUBE. COMPACT FLUORESCENTS.

HORIZONTAL POSITION. LUMEN RATING =3200 LMS

				CANDLE POWER SUMMARY
			ANGLE	0.0	45.0	90.0	135.0	180.0	FLUX
		90	0	1800	1800	1800	1800	1800
			5	1748	1821	1960	1951	1817	184
			15	1695	2065	2423	2380	1892	616
		75	25	1828	2305	2516	2461	2082	1048
			35	1505	2016	2330	2138	1821	1264
			45	1135	1419	1505	1454	1366	1063
800			55	49	83	63	53	46	142
		60	65	4	3	3	3	2	3
			75	1	1	1	1	1	1
			85	0	0	0	0	0	0
			90	0	0	0	0	0
1600			ZONAL LUMENS AND PERCENTAGES
		45	ZONE		LUMENS		% LAMP %LUMINAIRE
			0-30		1847		28.9		42.8
			0-40		3112		48.6		72.0
			0-60		4316		67.4		99.9
2400			0-90		4320		67.5		100.0
	15		90-180		0		0.0		0.0
0		30	0-180		4320		67.5		100.0
	0-deg:			** EFFICIENCY = 67.5% **
	90-deg:
	180-deg:

DATE: Jan 3, 1996

PREPARED FOR:

LIGHTOLIER, Fall River, MA

TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES THE

GREATEST LUMINOUS OPENING OF LUMINAIRE.

Coefficients Of Utilization

					% EFFECTIVE CEILING CAVITY REFLECTANCE
			80			70			50			30			10		0
							% WALL REFLECTANCE
		50	30	10	50	30	10	50	30	10	50	30	10	50	30	10	0
	1	.74	.72	.70	.72	.70	.69	.69	.68	.67	.67	.66	.65	.65	.64	.63	.62
RATIO	2	.67	.64	.61	.66	.63	.61	.64	.61	.59	.62	.60	.58	.60	.58	.57	.56
	3	.61	.57	.54	.60	.57	.54	.58	.55	.53	.57	.54	.52	.55	.53	.51	.50
CAVITY	4	.56	.51	.48	.55	.51	.48	.54	.50	.47	.52	.49	.46	.51	.48	.46	.45
	5	.51	.46	.43	.50	.46	.43	.49	.45	.42	.48	.44	.42	.47	.44	.41	.40
	6	.47	.42	.38	.46	.42	.38	.45	.41	.38	.44	.40	.38	.43	.40	.37	.36
ROOM	7	.43	.41	.37	.46	.41	.37	.45	.40	.37	.44	.40	.37	.43	.39	.36	.35
	9	.36	.32	.28	.36	.31	.28	.35	.31	.28	.35	.31	.28	.34	.31	.28	.27
	8	.39	.35	.31	.39	.34	.31	.38	.34	.31	.37	.34	.31	.37	.33	.31	.30
	10	.34	.29	.26	.33	.29	.26	.33	.29	.26	.32 .28 .26			.32	.28	.26	.25
						20% FLOOR CAVITY REFLECTANCE
			Job Information								Type:

631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710 We reserve the right to change details of design, materials and finish. www.lightolier.com © 2008 Philips Group • D0708

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