Calculite® HID Lensed Downlight C4P20MHGD

Page 2 of 2

4 1/2” Aperture, PAR 20 Ceramic MH, Glasslite

39W PAR20 FL, CERAMIC MH, PHILIPS, LUMEN RATING = 2000 LMS., AROMAT 39W ELECTRONIC BALLAST

CANDLEPOWER DISTRIBUTION

1,125

2,250

3,375

4,500

 

ANGLE

MEAN CP

LUMENS

 

0

4280

 

 

5

4233

391

 

10

3642

 

 

15

2241

639

60°

20

897

 

25

335

194

 

30

106

 

 

35

37

31

 

40

19

 

 

45

13

11

 

50

11

 

 

55

9

8

 

60

6

 

 

65

3

4

 

70

2

 

 

75

0

1

 

80

0

 

30°

85

0

0

 

90

0

 

LUMINANCE SUMMARY CD. / SQ. M.

 

 

 

 

 

 

Coefficients of Utilization

 

 

 

 

ANGLE

MEAN CD/SQ M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

 

1866

 

CEILING

 

 

80%

 

 

70%

 

50%

 

30%

 

 

 

 

 

 

 

 

 

 

 

 

55

 

1598

 

 

 

 

 

 

 

 

 

 

 

 

WALL

70

50

30

10

50

10

50

10

50

10

0

 

65

 

795

 

 

 

75

 

118

 

 

 

RCR

Zonal Cavity Method

- Effective

Floor Cavity

Reflectance

= 20%

85

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

.76

.76

.76

.76

.74

.74

.71

.71

.68

.68

.64

 

 

 

 

 

 

 

 

 

 

 

 

1

.74

.73

.72

.71

.72

.70

.69

.68

.67

.66

.63

 

 

 

 

 

 

 

2

.72

.70

.69

.67

.69

.66

.67

.65

.65

.64

.61

 

ZONAL LUMENS AND PERCENTAGES

 

3

.70

.68

.66

.64

.67

.64

.66

.63

.64

.62

.61

 

 

4

.69

.66

.64

.62

.65

.62

.64

.61

.63

.61

.59

 

ZONE LUMENS

% LAMP %LUMINAIRE

 

 

0-30

1224

61.2

95.73

 

5

.67

.64

.62

.60

.64

.60

.62

.60

.62

.59

.58

 

0-40

1255

62.77

98.18

 

6

.66

.63

.60

.59

.62

.59

.61

.58

.61

.58

.57

 

0-60

1274

63.72

99.66

 

7

.64

.61

.59

.57

.61

.57

.60

.57

.59

.57

.56

 

0-90

1278

63.93

100.00

 

8

.63

.60

.58

.56

.59

.56

.59

.56

.58

.55

.55

 

40-90

23

1.16

1.82

 

9

.62

.58

.56

.55

.58

.55

.58

.55

.57

.54

.54

 

60-90

4

0.21

.34

 

 

 

10

.61

.57

.55

.54

.57

.54

.57

.54

.56

.53

.53

 

90-180

0

0

.00

 

 

0-180

1278

63.93

100.00

 

 

 

LUMINAIRE INPUT WATTS = 44.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

** EFFICIENCY = 63.9% ** SC = 0.5

CERTIFIED TEST REPORT NO. 2434FR, DATE: MAR 11, 2004 COMPUTED BY LSC PROGRAM **TEST-LITE**

 

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.

© 2003 Genlyte Thomas Group LLC (Lightolier Division) • A0504

Page 1 Page 2
Page 2
Image 2
Lightolier C4P20MHGD manual Candlepower Distribution, Wall, Rcr
Page 1 Page 2

C4P20MHGD specifications

The Lightolier C4P20MHGD is a sophisticated lighting fixture designed for both commercial and residential spaces, combining elegance with advanced technology. This product exemplifies Lightolier's commitment to high-quality illumination, making it a popular choice among designers and homeowners alike.

One of the standout features of the C4P20MHGD is its use of a 20-watt metal halide lamp. This choice of lamp provides exceptional color accuracy and brightness, with a color temperature that typically ranges from 3000K to 4200K, depending on the specific bulb used. Such color rendering capabilities not only enhance the aesthetics of a space but also ensure that colors appear true and vibrant under artificial lighting.

The design of the C4P20MHGD is another key characteristic that sets it apart. Its sleek, modern profile allows it to seamlessly integrate into various architectural styles. The fixture is available in multiple finishes, enabling customization that can match different decor themes. This versatility makes it suitable for a multitude of applications, from retail environments to art galleries and residential living areas.

Another notable feature of the C4P20MHGD is its adjustable head, which offers a 360-degree rotation and a 90-degree tilt. This flexibility allows users to direct light precisely where it is needed, making it ideal for task lighting or accenting specific areas or objects. This directional capability maximizes the functionality of the fixture, enhancing the overall lighting experience.

In terms of energy efficiency, the Lightolier C4P20MHGD stands out in the market. Despite its powerful output, the fixture is engineered to consume less energy compared to traditional lighting options, contributing to lower energy bills and a reduced carbon footprint. Additionally, the fixture’s long lifespan means that maintenance and replacement costs are minimized, offering further financial savings over time.

Finally, the C4P20MHGD is built with quality materials designed for durability and resilience. Its construction ensures that it can withstand various environmental conditions, making it suitable for both indoor and outdoor installations. Overall, the Lightolier C4P20MHGD exemplifies a perfect blend of style, functionality, and sustainability, making it an excellent choice for those seeking premium lighting solutions.
Top Page Image Contents