Calculite® CFL Open Downlight  8037

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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7 3/8" Triple Tube Horizontal Lamp

42W

Quick Calculator

INITIAL FOOTCANDLES

80

70

60

50

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

 

 

 

 

AREA PER FIXTURE IN SQUARE FEET

 

3

4

5

6

7

8

9

10

11

12

13

14

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 1 It.- 42W PL-T units with clear reflector, for any level of illumination.

Spacing Ratio = 1.3

Report No.: LRL 796-1G

PREPARED BY: LIGHTING RESEARCH LABORATORY, INC

PREPARED FOR: LIGHTOLIER

DESCRIP.: 7-3/8" dia. x 7" Ht. recessed downlight

-open bottom spun semispecular reflector; tilted horizontal lamp BALLAST: LIGHTOLIER GLT423-120I.

LAMPS: 1 PLT-32W rated at 2400 LUMENS.

Spacing Ratio = 1.4

Report No.: LRL 796-1F

PREPARED BY: LIGHTING RESEARCH LABORATORY, INC

PREPARED FOR: LIGHTOLIER

DESCRIP.: 7-3/8" dia. x 7" Ht. recessed downlight

-open bottom spun semispecular reflector; tilted horizontal lamp BALLAST: LIGHTOLIER GLT423-120I.

LAMPS: 1 PLT-42W rated at 3200 LUMENS.

Candlepower Curve

 

 

CANDLEPOWER

 

 

ZONE

0

22

45

67

90

 

 

DEG.

 

 

CANDELAS

 

 

 

90

0

0

0

0

0

0

Candlepower Curve

 

 

 

CANDLEPOWER

 

 

 

ZONE

0

22

45

67

90

85ϒ

DEG.

 

CANDELAS

 

 

90

0

0

0

0

0

 

 

85

0

0

1

1

1

 

80

1

1

1

1

1

275

75

1

2

2

2

2

 

70

2

2

3

3

3

60ϒ

65

4

4

4

4

4

 

60

9

9

10

11

10

 

55

70

67

71

73

69

450

50

235

247

270

282

282

 

45

328

333

377

430

462

 

40

437

461

534

572

604

 

35

598

585

632

654

683

 

30

701

656

665

728

760

725

25

746

728

748

784

788

20

759

802

807

811

808

 

 

15

841

893

894

892

890

 

10

897

921

919

916

915

 

5

889

892

895

899

902

900

0

883

883

883

883

883

ZONE LUMENS %BARE LAMP

%LUMINAIRE

30ϒ

** EFFICIENCY = 61.3% **

0-30

681

28.4

46.3

 

0-40

1069

44.6

72.7

 

0-60

1463

61.0

99.5

 

0-90

1470

61.3

100.0

 

40-90

401

16.7

27.3

 

60-90

7

0.3

0.5

 

90-120

0

0.0

0.0

 

90-150

0

0.0

0.0

 

90-180

0

0.0

0.0

Coefficients Of Utilization

0-180

1470

61.3

100.0

150

300

450

600

750

900

1050

1200

0ϒ 5ϒ

15ϒ

25ϒ

35ϒ

** EFFICIENCY = 65.4% **

Coefficients Of Utilization

 

85

1

1

1

1

1

75ϒ

80

1

1

1

1

1

75

3

3

3

3

3

 

 

70

3

3

3

3

3

65ϒ

65

4

4

4

4

4

60

9

9

9

9

9

 

 

55

93

99

80

77

78

55ϒ

50

436

409

436

398

413

45

634

622

634

663

680

 

 

40

737

758

800

850

850

 

35

866

905

920

951

948

 

30

975

964

923

1022

1049

45ϒ 25

1045

1050

1030

1066

1103

 

20

1053

1070

1077

1117

1148

 

15

1074

1097

1148

1141

1176

 

10

1046

1076

1091

1099

1121

 

5

1004

1009

1017

1021

1020

 

0

1002

1002

1002

1002

1002

ZONE

LUMENS

%BARE LAMP

%LUMINAIRE

0-30

896

28.0

42.8

0-40

1465

45.8

70.0

0-60

2084

65.1

99.6

0-90

2092

65.4

100.0

40-90

627

19.6

30.0

60-90

8

0.3

0.4

90-120

0

0.0

0.0

90-150

0

0.0

0.0

90-180

0

0.0

0.0

0-180

2092

65.4

100.0

 

 

 

 

% 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

 

 

 

 

 

 

RATIO

1

.67

.65

.63

.65

.64

.62

 

.63

.61

.60

 

.60

.59

.58

.58

.58

.57

.56

2

.61

.58

.55

.60

.57

.55

 

.58

.55

.54

 

.56

.54

.52

.54

.53

.51

.50

3

.55

.52

.49

.55

.51

.49

 

.53

.50

.48

 

.51

.49

.47

.50

.48

.46

.45

CAVITY

4

.51

.47

.44

.50

.46

.43

 

.49

.45

.43

 

.47

.45

.42

.46

.44

.42

.41

5

.47

.42

.39

.46

.42

.39

 

.45

.41

.39

 

.44

.41

.38

.43

.40

38

.37

6

.43

.38

.35

.42

.38

.35

 

.41

.38

.35

 

.40

.37

.35

.39

.37

.34

.33

 

 

 

ROOM

7

.39

.35

.39

.35

.32

.38

 

.34

.32

.37

 

.34

.31

.37

.34

.31

.30

.25

8

.36

.32

.29

.36

.32

.29

 

.35

.32

.29

 

.35

.31

.29

.34

.31

.29

.28

9

.34

.30

.27

.33

.29

.27

 

.33

.29

.27

 

.32

.29

.26

.32

.29

.26

.25

 

 

 

 

10

.31

.27

.25

.31

.27

.24

 

.31

.27

.24

 

.30

.27

.24

.30

.26

.24

.23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20% FLOOR CAVITY REFLECTANCE

 

 

 

 

 

 

% 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

.72

.70

.69

.71

.69

.68

 

.68

.67

.66

 

.65

.64

.64

.63

.62

.62

.61

RATIO

2

.67

.64

.62

.66

.63

.61

 

.64

.62

.60

 

.62

.60

.59

.60

.59

.57

.56

3

.62

.59

.56

.61

.58

.56

 

.60

.57

.55

 

.58

.56

.54

.57

.55

.53

.52

 

 

 

 

 

CAVITY

4

.57

.54

.51

.57

.53

.50

 

.55

.52

.50

 

.54

.51

.49

.53

.50

.49

.48

6

.49

.45

.42

.49

.45

.42

 

.48

.44

.42

 

.47

.44

.41

.46

.43

.41

.40

 

 

 

5

.53

.49

.46

.53

.49

.46

 

.51

.48

.46

 

.50

.47

.45

.49

47

.45

.44

ROOM

7

.45

.41

.38

.45

.41

.38

 

.44

.40

.38

 

.43

.40

.37

.42

.40

.37

.36

8

.42

.37

.34

.41

.37

.34

 

.40

.37

.34

 

.40

.36

.34

.39

.36

.34

.33

 

 

 

 

 

 

 

 

9

.38

.34

.31

.38

.34

.31

 

.37

.33

.31

 

.36

.33

.30

.36

.33

.30

.29

 

 

 

10

.33

.29

.26

.33

.29

.26

 

.32

.28

.26

 

.32

.28

.25

.31

.28

.25

.24

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 • A0708

Lightolier is a Philips group brand

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Lightolier 8037 specifications Calculite CFL Open Downlight 

8037 specifications

The Lightolier 8037 is a prominent fixture in the realm of lighting design, recognized for its versatility and high-performance capabilities. This sophisticated lighting solution is ideal for various settings, including commercial spaces, residential areas, and architectural applications.

One of the standout features of the Lightolier 8037 is its energy-efficient design. Utilizing advanced LED technology, this fixture delivers superior illumination while consuming significantly less power compared to traditional lighting solutions. The LED modules in the 8037 provide a long lifespan, often exceeding 50,000 hours, which minimizes maintenance costs and reduces waste. This focus on energy efficiency aligns with contemporary sustainability practices, making the 8037 a responsible choice for environmentally-conscious consumers.

The Lightolier 8037 also boasts impressive versatility. It offers multiple configurations and lens options that cater to diverse lighting needs and aesthetic preferences. Whether you require direct task lighting, ambient illumination, or accent lighting, the 8037 can be tailored to fit. This adaptability is enhanced by its sleek and modern design, which seamlessly integrates into various interior styles, from minimalist to industrial settings.

In addition to its aesthetic appeal, the Lightolier 8037 incorporates cutting-edge technologies that enhance its functionality. The fixture is compatible with various dimming systems, allowing users to adjust light levels depending on the time of day or the mood they wish to create. This feature is particularly beneficial in multi-purpose environments, where lighting needs can vary widely.

Another key characteristic of the Lightolier 8037 is its superior light distribution, achieved through its precision-engineered optics. This ensures that light is evenly distributed throughout the space, minimizing harsh shadows and providing a comfortable visual experience. The fixture also emphasizes color accuracy, rendering colors true to life, which is essential in settings like art galleries, retail spaces, and design studios.

Safety and durability are also central to the design of the Lightolier 8037. The fixture is constructed with high-quality materials that withstand everyday wear and tear, while the integrated thermal management system ensures that the LEDs operate at optimal temperatures, further extending their lifespan.

In summary, the Lightolier 8037 is an exceptional lighting fixture that combines energy efficiency, versatility, advanced technology, and durability. Its ability to provide high-quality illumination while minimizing environmental impact makes it a top choice for anyone looking to enhance their space with modern lighting solutions.