8” vrah lightshield, Vrah 150mhc 8ar cgl – Gotham 8 VRAH Lightshield SpecSheet User Manual

Page 3

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GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com

© 2012-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/10/13. Specifications subject to change without notice.

PAGE 3 OF 3

VRAH-8-LEnSEd

PH

OTO
M

ET

RY

8” VRAH

Lightshield™

Metal Halide Lamp

PHOTOMETRY NOTES

Tested to current IES and NEMA standards under stabilized laboratory conditions.

Actual performance may differ as a result of end-user environment and application.

Consult factory or IES file for microgroove baffle, black cone or other photometric reports.

VRAH 150MHC 8AR CGL

(1) 150W COATED ED17 MH LAMP, 12000 RATED LUMENS, 1.2 S/MH TEST NO. LTL20780

VRAH 150MHC 8AR T73

(1) 150W COATED ED17 MH LAMP, 12000 RATED LUMENS, 1.0 S/MH TEST NO. LTL20781

Distribution Curve

Distribution Data

Output Data

Coefficient of Utilization

Illuminance: Single Luminaire 30” Above Floor

20°

40°

60°

80°

2000

4000

Ave

Lumens

0

5

15

25

35

45

55

65

75

85

90

4471

4536

4999

4436

2919

1402

263

40

24

12

1

441

1403

2023

1815

1082

289

45

26

12

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

3866.9

5681.9

7052.9

7135.5

0.0

7135.5

32.2

47.3

58.8

59.5

0.0

*59.5

*Efficiency

%

0

2

f

p

pc

80%

70%

50%

pw

50% 30% 10%

50% 30% 10%

50% 30% 10%

0

1

2

3

4

5

6

7

8

9

10

71

65

60

55

51

47

43

40

37

35

32

71

63

57

51

47

43

39

36

33

31

28

71

62

55

49

44

40

36

33

30

28

26

69

64

59

54

50

46

43

39

37

34

32

69

62

56

51

46

42

39

36

33

30

28

69

61

54

48

44

39

36

33

30

28

26

66

61

57

52

48

45

42

39

36

34

31

66

60

55

50

45

42

38

35

33

30

28

66

59

53

48

43

39

36

33

30

28

26

RCR

50% beam -

62.5°

10% beam -

91.5°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0

147.8

79.5

49.5

33.8

24.5

6.7

9.1

11.5

14.0

16.4

73.9

39.7

24.8

16.9

12.3

11.3

15.4

19.5

23.6

27.7

14.8

7.9

5.0

3.4

2.5

20°

40°

60°

80°

2000

4000

Ave

Lumens

0

5

15

25

35

45

55

65

75

85

90

5159

5104

4678

3596

2100

967

445

220

137

34

0

482

1304

1635

1313

765

407

224

145

42

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

3422.3

4735.4

5906.4

6316.5

0.0

6316.5

28.5

39.5

49.2

52.6

0.0

*52.6

*Efficiency

%

0

2

f

p

pc

80%

70%

50%

pw

50% 30% 10%

50% 30% 10%

50% 30% 10%

0

1

2

3

4

5

6

7

8

9

10

63

57

52

48

44

40

37

35

32

30

28

63

55

49

44

40

37

34

31

29

27

25

63

54

47

42

37

34

31

28

26

24

23

61

56

51

47

43

40

37

34

32

30

28

61

54

49

44

40

36

33

31

28

27

25

61

53

47

41

37

34

31

28

26

24

23

58

54

49

45

42

39

36

34

31

29

28

58

53

47

43

39

36

33

30

28

26

25

58

51

46

41

37

33

31

28

26

24

22

RCR

50% beam -

51.2°

10% beam -

83.7°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0

170.5

91.7

57.2

39.0

28.3

5.3

7.2

9.1

11.0

12.9

85.3

45.9

28.6

19.5

14.2

9.8

13.4

17.0

20.6

24.2

17.1

9.2

5.7

3.9

2.8

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