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Vraf 2/32trt 8ar cgl, 8” vraf lightshield – Gotham 8 VRAF 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

VRAF-8-LEnSEd

VRAF 2/32TRT 8AR CGL

(2) 32W LAMPS, 2400 RATED LUMENS PER LAMP, 1.3 S/MH TEST NO. LTL20608

VRAF 2/32TRT 8AR T73

(2) 32W LAMPS, 2400 RATED LUMENS PER LAMP, 1.0 S/MH TEST NO. LTL20609

PH

OTO
M

ET

RY

Distribution Curve

Distribution Data

Output Data

Coefficient of Utilization

Illuminance: Single Luminaire 30” Above Floor

8” VRAF

Lightshield™

Horizontal Double Twin-Tube or Triple-Tube 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.

20°

40°

60°

80°

400

800

1200

Ave

Lumens

0

5

15

25

35

45

55

65

75

85

90

1079

1131

1234

1117

798

399

37

15

9

4

0

111

344

508

490

282

43

16

9

4

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

963.3

1453.5

1778.8

1808.0

0.0

1808.0

20.1

30.3

37.1

37.7

0.0

*37.7

*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

45

41

38

35

32

30

27

25

23

22

20

45

40

36

33

30

27

25

23

21

19

18

45

39

35

31

28

25

23

21

19

18

16

44

40

37

34

32

29

27

25

23

22

20

44

39

36

32

29

27

25

23

21

19

18

44

39

34

31

28

25

23

21

19

18

16

42

39

36

33

31

28

26

24

23

21

20

42

38

35

32

29

26

24

22

21

19

18

42

37

33

30

27

25

23

21

19

18

16

RCR

50% beam -

65.2°

10% beam -

92.4°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0

35.7

19.2

12.0

8.2

5.9

7.0

9.6

12.2

14.7

17.3

17.8

9.6

6.0

4.1

3.0

11.5

15.7

19.8

24.0

28.2

3.6

1.9

1.2

0.8

0.6

20°

40°

60°

80°

400

800

1200

Ave

Lumens

0

5

15

25

35

45

55

65

75

85

90

1266

1259

1182

925

514

232

106

52

33

9

0

119

330

418

323

184

97

53

34

10

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

867.1

1190.2

1471.0

1568.4

0.0

1568.4

18.1

24.8

30.6

32.7

0.0

*32.7

*Efficiency

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

39

35

32

30

27

25

23

22

20

19

18

39

34

31

28

25

23

21

19

18

17

16

39

34

29

26

23

21

19

18

16

15

14

38

35

32

29

27

25

23

21

20

19

18

38

34

30

27

25

23

21

19

18

17

16

38

33

29

26

23

21

19

18

16

15

14

36

33

31

28

26

24

22

21

20

18

17

36

33

29

27

24

22

21

19

18

16

15

36

32

28

25

23

21

19

18

16

15

14

RCR

50% beam -

52.5°

10% beam -

83.4°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0

41.9

22.5

14.0

9.6

6.9

5.4

7.4

9.4

11.3

13.3

20.9

11.3

7.0

4.8

3.5

9.8

13.4

16.9

20.5

24.1

4.2

2.2

1.4

1.0

0.7