Lightolier 8038/SR8242 specifications 32W Quick Calculator, Spacing Ratio Along=1.4 Across=1.6

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Calculite® Compact Fluorescent Downlight 8038/SR8242

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8 3/4” Aperture Semi-Recessed Open Reflector (55° Cutoff) (2) Lt. Triple Tube

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

 

40

 

INITIAL

 

30

 

20

 

 

 

 

10

 

42W

Quick Calculator

 

100

 

90

FOOTCANDLES

80

70

 

 

60

 

50

INITIAL

40

30

 

 

20

 

10

ROOM SURFACE REFLECTANCES:

80% Ceiling; 50% Wall; 20% Floor

3200 Lumens Per Lamp

RCR= 1(Rm. Width= 10xMtg. Ht. above work plane) RCR= 5 (Rm. Width= 2xMtg. Ht. above work plane) RCR=10 (Rm. Width= Mtg. Ht. above work plane)

 

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.

 

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=1.6

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

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

700

 

 

1400

 

 

2100

 

 

0

15

30

 

0-deg:

 

 

90-deg:

 

 

180-deg:

 

 

 

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

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

 

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

0-90

3479

72.5

100.0

90-180

0

0.0

0.0

0-180

3479

72.5

100.0

** EFFICIENCY = 72.5% **

 

 

 

 

CA NDLE 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

30

90-180

0

 

0.0

 

0.0

0

0-180

 

4320

 

67.5

 

100.0

 

0-deg:

 

 

** EFFICIENCY = 67.5% **

 

 

90-deg:

 

 

 

 

 

 

 

 

 

 

 

 

 

180-deg:

 

 

 

 

 

 

 

 

DATE: Jan 3, 1996

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

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:

 

 

 

 

 

 

 

 

Lightolier a Genlyte Thomas Company

 

 

 

 

 

 

www.lightolier.com

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.

© 2002 Genlyte Thomas Group LLC (Lightolier Division) • A0902

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Contents Reflector Trim Frame-In Kit Lamps FeaturesOptions and Accessories ElectricalSpacing Ratio Along=1.4 Across=1.7 32W Quick CalculatorSpacing Ratio Along=1.4 Across=1.6 Coefficients of Utilization

8038/SR8242 specifications

The Lightolier 8038/SR8242 is an innovative lighting solution that combines advanced technology with sleek design, tailored for various commercial and residential applications. This fixture is recognized for its versatility, efficiency, and enhanced performance, making it a popular choice among architects, designers, and end-users alike.

One of the main features of the Lightolier 8038/SR8242 is its excellent energy efficiency. It uses LED technology that not only reduces energy consumption but also extends the lifespan of the fixture. With a lifespan of up to 50,000 hours, users benefit from lower maintenance costs and fewer bulb replacements. This longevity is particularly advantageous in settings where accessibility is a concern, such as in high ceilings or hard-to-reach areas.

The design of the 8038/SR8242 is both modern and functional. Its clean lines and compact shape allow it to blend seamlessly into any interior décor while delivering outstanding illumination. The fixture is available in various color temperatures, enabling users to create the desired ambiance according to specific needs. Whether for task lighting in offices or mood lighting in residences, this flexibility makes it a top choice.

This model also incorporates advanced dimming technologies, ensuring that users have complete control over the light output. Compatible with most dimmer switches, the 8038/SR8242 allows for smooth transitions between brightness levels, which can enhance energy savings and improve comfort. Additionally, it features integrated wireless control options, making it easy to manage lighting remotely through smart home systems.

Another notable characteristic of the Lightolier 8038/SR8242 is its exceptional color rendering ability. With a high Color Rendering Index (CRI), it accurately represents colors, which is crucial in environments like retail spaces or galleries where visual aesthetics are paramount. This feature ensures that the true colors of products or artwork are highlighted effectively, creating a more engaging experience for viewers.

In summary, the Lightolier 8038/SR8242 stands out in the lighting market with its blend of energy efficiency, advanced technology, and sleek design. Its longevity, dimming capabilities, and superior color rendering make it an ideal solution for a wide range of applications, from residential to commercial settings. As more users seek sustainable lighting options without compromising on quality or aesthetics, the Lightolier 8038/SR8242 emerges as a remarkable choice for the modern consumer.
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