Lightolier 8091 specifications Quick Calculator, Spacing Ratio =

Page 2

Calculite® CFL Lensed Downlight  8091

Page 2 of 2

32W Clear Cone (CL)

 

Quick Calculator

ROOM SURFACE REFLECTANCES:

 

 

 

60

80% Ceiling; 50% Wall; 20% Floor

FOOTCANDLES

 

2400 Lumens Per Lamp

50

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

 

 

 

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

 

40

RCR=10 (Rm. Width= Mtg. Ht. above work plane)

INITIAL

30

 

20

 

 

 

 

10

 

15

 

30

45

60

75

90

105

120

 

 

AREA PER FIXTURE IN SQUARE FEET

 

 

4

5

6

7

8

 

9

10

11

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 1 It.- 32W PL-T units with fresnel lens and clear reflector, for any level of illumination. Conversion factors: Opal diffuser, fc x 0.8; Clear lens, fc x 1.0. 1 It.- 26W PLT : Fresnel Lens, fc x 0.8; Opal Diffuser, fc x 0.65; Clear lens fc x 0.8.

Spacing Ratio = 1.2

CERTIFIED TEST REPORT NO. 0075FR COMPUTED BY LSI PROGRAM **TEST-LITE**

CALCULITE 6" DIAMETER RECESSED FLUORESCENT LENSED DOWNLIGHT

SEMI-SPECULAR REFLECTOR WITH CLEAR CONE AND FRESNEL LENS

 

 

 

LUMEN RATING = 2400 LMS.

 

 

 

 

 

 

 

 

1-32W PL-T LAMP,

 

 

 

 

CANDLEPOWER

 

 

 

180

150

 

ANGLE ALONG 22.5

45

67.5 ACROSS LUMENS

120

 

0

780

780

780

780

780

 

 

Across

 

 

 

 

 

5

773

778

779

782

785

37

 

 

45

 

 

 

 

10

758

768

774

781

790

 

90

 

Along

90

15

736

732

738

753

776

104

 

 

20

680

647

664

699

739

 

 

 

 

 

25

589

552

591

633

688

140

 

 

 

 

30

499

489

530

572

630

 

60

 

 

60

35

413

425

446

481

536

143

 

 

40

334

358

364

386

425

 

 

300

 

 

45

268

286

288

304

323

115

 

 

 

 

50

210

232

232

239

244

 

 

 

 

 

55

87

105

109

116

119

55

 

 

 

 

60

32

38

42

45

47

 

 

600

 

 

65

6

8

9

9

11

7

 

 

 

70

1

1

1

2

2

 

 

 

 

 

 

30

 

 

30

75

1

1

1

1

1

0

 

 

 

 

80

1

1

1

1

1

 

 

900

 

 

85

0

1

1

0

1

0

 

 

 

90

0

1

1

0

1

 

 

 

 

 

 

ZONAL LUMENS AND PERCENTAGES

 

0

 

 

ZONE

LUMENS

% LAMP

%LUMINAIRE

 

 

 

0-30

 

585

24.40

47.62

 

 

 

 

 

** EFFICIENCY = 51.2% **

 

0-40

 

886

36.92

72.06

 

0-60

 

1216

50.67

98.90

 

 

 

 

0-90

 

1229

51.24

100.00

 

 

 

 

40-90

 

343

14.32

27.94

 

 

 

 

60-90

 

13

 

.57

 

1.10

 

 

 

 

90-180

 

0

 

.00

 

.00

Coefficients Of Utilization

 

0-180

 

1229

51.24

100.00

 

 

 

 

 

 

 

 

 

% 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

.56

.55

.54

.56

.54

.53

 

.53

.52

.51

 

.51

.51

.50

.50

.49

.48

.48

2

.52

.50

.48

.51

.49

.48

 

.50

.48

.47

 

.48

.47

.46

.47

.46

.45

.44

3

.48

.46

.44

.48

.45

.43

 

.46

.44

.43

 

.45

.43

.42

.44

.43

.41

.40

 

 

 

CAVITY

4

.45

.42

.40

.44

.42

.39

 

.43

.41

.39

 

.42

.40

.38

.41

.39

.38

.37

6

.38

.35

.33

.38

.35

.32

 

.37

.34

.32

 

.36

.34

.32

.36

.33

.32

.31

 

5

.42

.38

.36

.41

.38

.36

 

.40

.37

.35

 

.39

.37

.35

.38

.36

.35

.34

ROOM

7

.35

.32

.30

.35

.32

.29

 

.34

.31

.29

 

.33

.31

.29

.33

.31

.29

.28

8

.32

.29

.27

.32

.29

.27

 

.32

.29

.27

 

.31

.28

.26

.30

.28

.26

.25

 

9

.30

.27

.24

.30

.26

.24

 

.29

.26

.24

 

.29

.26

.24

.28

.26

.24

.23

 

10

.28

.24

.22

.27

.24

.22

 

.27

.24

.22

 

.26

.24

.22

.26

.23

.22

.21

20% FLOOR CAVITY REFLECTANCE

Conversion Factors: 1 Lt-32W PLT: Opal Diffuser, CU x 0.8; Clear Lens, CU x 1.0.

1 Lt-26W PLT: Fresnel Lens, CU x 1.1; Opal Diffuser, CU x 0.9; Clear Lens, CU x 1.1.

6" Aperture Triple Tube Horizontal Lamp

32W White Cone (WH)

 

 

 

 

 

 

Quick Calculator

ROOM SURFACE REFLECTANCES:

 

 

 

 

 

 

 

60

 

 

 

 

80% Ceiling; 50% Wall; 20% Floor

 

 

 

 

 

FOOTCANDLES

 

 

 

 

 

2400 Lumens Per Lamp

50

 

 

 

 

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

 

 

 

 

 

 

40

 

 

 

 

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

 

 

 

 

 

RCR=10 (Rm. Width= Mtg. Ht. above work plane)

 

 

 

 

 

INITIAL

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

30

45

 

60

75

90

105

 

 

AREA PER FIXTURE IN SQUARE FEET

 

 

3

4

5

6

7

8

9

 

10

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 1 It.- 32W PL-T units with fresnel lens and white cone, for any level of illumination. Conversion factors: Opal diffuser, fc x 0.8; Clear lens, fc x 1.0. 1 It.- 26W PLT : Fresnel Lens, fc x 0.8; Opal Diffuser, fc x 0.65; Clear lens fc x 0.8.

Spacing Ratio = 1.1

CERTIFIED TEST REPORT NO. 0072FR

COMPUTED BY LSI PROGRAM **TEST-LITE**

CALCULITE 6" DIAMETER RECESSED FLUORESCENT LENSED DOWNLIGHT

SEMI-SPECULAR REFLECTOR WITH WHITE CONE AND FRESNEL LENS

 

 

 

LUMEN RATING = 2400 LMS.

 

 

 

 

 

 

 

 

1-32W PL-T LAMP,

 

 

 

 

CANDLEPOWER

 

 

 

 

 

 

 

 

ACROSS LUMENS

120

180

150

 

ANGLE ALONG 22.5

45

67.5

 

Across

 

0

656

656

656

656

656

 

 

 

 

5

649

654

657

660

662

31

 

 

45

 

 

 

 

10

626

639

650

660

669

 

90

 

Along

90

15

588

605

622

639

654

87

 

 

20

525

546

567

592

617

 

 

 

 

 

25

452

479

501

526

563

116

 

 

 

 

30

378

419

432

450

490

 

60

 

 

60

35

312

363

361

370

405

114

 

 

40

256

303

290

297

322

 

 

300

 

 

45

200

233

225

231

244

89

 

 

 

50

144

156

165

171

180

 

 

 

 

 

 

 

 

 

 

55

99

115

115

117

120

53

 

 

 

 

60

66

74

76

77

79

 

 

600

 

 

65

46

48

49

50

52

26

 

 

 

70

35

36

37

38

39

 

30

 

 

30

75

26

27

27

27

29

14

 

 

 

 

80

16

17

17

19

19

 

 

900

 

 

85

7

9

9

9

9

5

 

 

 

90

1

1

1

1

1

 

 

 

 

 

 

ZONAL LUMENS AND PERCENTAGES

 

0

 

 

ZONE

LUMENS

% LAMP

%LUMINAIRE

 

 

 

0-30

 

468

19.51

44.30

 

 

 

 

 

** EFFICIENCY = 43.9% **

 

0-40

 

697

29.07

66.29

 

0-60

 

956

40.28

91.86

 

 

 

 

0-90

 

1052

43.86

100.00

 

 

 

 

40-90

 

354

14.76

33.71

 

 

 

 

60-90

 

85

3.57

 

8.14

 

 

 

 

90-180

 

0

 

.00

 

.00

Coefficients Of Utilization

 

0-180

 

1052

43.86

100.00

 

 

 

 

 

 

 

 

 

 

% 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

.48

.46

.45

.47

.46

.44

 

.45

.44

.43

 

.43

.43

.42

.42

.41

.41

.40

 

2

.44

.42

.40

.42

.41

.39

 

.41

.40

.38

 

.40

.39

.38

.39

.38

.37

.36

 

3

.40

.37

.35

.39 .37 .35

 

.38

.38

.34

 

.37

.35

.34

.36

.33

.33

.33

 

 

 

 

 

CAVITY

4

.37

.34.

32

.36

.34

.32

 

.35 .33 .31

 

.34

.32

.31

.34 .32 .30

.30

 

6

.31

.28

.26

.31

.28

.26

 

.30

.28

.26

 

.29

.27

.25

.25

.27

.25

.25

 

 

5

.34

.31

.29

.33

.31

.28

 

.33

.30

.28

 

.32

.30

.28

.31

.29

.28

.27

 

ROOM

7

.29

.26

.23

.28

.25

.23

 

.25

.25

.23

 

.27

.25

.23

.27

.25

.23

.22

 

8

.26

.23

.21

.26

.23

.21

 

.26

.23

.21

 

.25

.23

.21

.25

.23

.21

.20

 

 

9

.24

.21

.19

.24

.21

.19

 

.24

.21.

19

 

.23

.21

.19

.23 .21 .29

.18

 

 

10

.23

.20

.18

.22 .20 .18

 

.22

.19

.18

 

.22

.19

.17

.21

.19

.19

.17

 

 

 

 

 

 

20% FLOOR CAVITY REFLECTANCE

 

 

 

 

 

 

 

Conversion Factors: 1 Lt-32W PLT: Opal Diffuser, CU x 0.8; Clear Lens, CU x 1.0.

 

 

 

1 Lt-26W PLT: Fresnel Lens, CU x 1.1; Opal Diffuser, CU x 0.9; Clear Lens, CU x 1.1.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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Contents Reflector Trim Frame-In Kit FeaturesOptions and Accessories Remodeler Frame-In KitsQuick Calculator Spacing Ratio =

8091 specifications

The Lightolier 8091 is a premium lighting fixture that exemplifies modern design and advanced technology. As part of the Lightolier brand, known for its commitment to innovation and quality, the 8091 model brings a perfect mix of aesthetics, function, and efficiency, making it ideal for both residential and commercial applications.

One of the primary features of the Lightolier 8091 is its sleek and minimalist design, which seamlessly integrates into any interior décor. The fixture is available in various finishes, allowing users to choose a style that suits their space, whether it's contemporary, traditional, or industrial. Its unobtrusive appearance provides ambient lighting without compromising on style.

The 8091 is powered by state-of-the-art LED technology, which not only enhances energy efficiency but also provides superior light quality. The fixture offers a high Color Rendering Index (CRI) that ensures colors are represented accurately and vividly under its illumination. This is particularly beneficial in settings like art galleries, retail spaces, and residential homes where accurate color perception is essential.

Another notable characteristic of the Lightolier 8091 is its dimming capabilities. Equipped with advanced dimming technology, users can easily adjust the brightness to suit different moods and settings. This functionality is essential for creating a versatile light environment, whether for entertaining guests or enjoying a quiet evening at home.

The fixture also features easy installation processes and comes with various mounting options, ensuring adaptability in various environments. The durability of the 8091 is another significant factor; built with high-quality materials, it promises longevity and reliability.

Furthermore, the Lightolier 8091 aligns with modern sustainable practices. Its energy-efficient operation not only decreases energy consumption but also contributes to reduced utility bills, making it an environmentally responsible choice.

In summary, the Lightolier 8091 is a standout lighting solution that combines elegance, efficiency, and advanced technology. With its appealing design, excellent light quality, dimming options, and ease of installation, it is set to meet the diverse needs of any user, making it a worthwhile investment in contemporary lighting solutions.
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