6” vrah lightshield, Vrah 70mhc 6ar cgl – Gotham 6 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-6-LEnSEd

PH

OTO
M

ET

RY

6” 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 70MHC 6AR CGL

(1) 70W COATED ED17 MH LAMP, 5300 RATED LUMENS, 1.2 S/MH TEST NO. LTL20767

VRAH 70MHC 6AR T73

(1) 70W COATED ED17 MH LAMP, 5300 RATED LUMENS, 0.9 S/MH TEST NO. LTL20766

Distribution Curve

Distribution Data

Output Data

Coefficient of Utilization

Illuminance: Single Luminaire 30” Above Floor

20°

40°

60°

80°

600

1200

1800

Ave

Lumens

0

5

15

25

35

45

55

65

75

85

90

1846

1814

1565

1249

931

609

345

167

59

8

0

170

438

573

580

471

311

167

65

11

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

1180.9

1761.0

2543.2

2786.5

0.0

2786.5

22.3

33.2

48.0

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

51

46

42

38

35

32

29

27

25

63

55

48

42

38

34

31

28

25

23

22

63

53

46

39

35

31

28

25

23

21

19

61

55

50

45

41

37

34

31

29

27

25

61

54

47

42

37

33

30

28

25

23

22

61

52

45

39

34

31

27

25

23

21

19

58

53

48

44

40

36

33

31

28

26

25

58

52

46

41

36

33

30

27

25

23

21

58

51

44

38

34

30

27

25

23

21

19

RCR

50% beam -

50.3°

10% beam -

93.0°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0

61.0

32.8

20.5

14.0

10.1

5.2

7.0

8.9

10.8

12.7

30.5

16.4

10.2

7.0

5.1

11.6

15.8

20.0

24.2

28.4

6.1

3.3

2.0

1.4

1.0

20°

40°

60°

80°

600

1200

1800

Ave

Lumens

0

5

15

25

35

45

55

65

75

85

90

1881

1893

1858

1739

1194

661

80

16

5

3

1

181

527

787

744

500

115

16

6

3

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

1494.4

2238.6

2854.3

2879.5

0.0

2879.5

28.2

42.2

53.9

54.3

0.0

*54.3

*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

65

59

55

50

46

42

39

36

34

31

29

65

58

52

47

42

39

35

32

30

28

26

65

57

50

44

40

36

33

30

27

25

23

63

58

54

49

45

42

39

36

33

31

29

63

57

51

46

42

38

35

32

30

27

25

63

56

49

44

40

36

32

30

27

25

23

60

56

52

48

44

41

38

35

33

30

28

60

55

50

45

41

38

35

32

29

27

25

60

54

48

43

39

35

32

29

27

25

23

RCR

50% beam -

60.9°

10% beam -

93.1°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0

62.2

33.4

20.8

14.2

10.3

6.5

8.8

11.2

13.5

15.9

31.1

16.7

10.4

7.1

5.2

11.6

15.8

20.1

24.3

28.5

6.2

3.3

2.1

1.4

1.0

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