Gotham 12 AH Open Reflector SpecSheet Manuel d'utilisateur télécharger pdf (Page 3)

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AH-12-OPEN

AH 250M 12AR

250W MS250/C/BU LAMP, 0.9 S/MH, 21500 RATED LUMENS, TEST NO. 2189060602P

PHOTOMETRY

Distribution Curve Distribution Data Output Data Coefﬁcient of Utilization Illuminance: Single Luminaire 30” Above Floor

12” AH

Open Reﬂector

Metal Halide Lamp

PHOTOMETRY NOTES

• Tested to current IES and NEMA standards under stabilized laboratory condition.

• 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.

From 0° Ave Lumens

0° 16033

5° 15993 1499

15° 14185 3876

25° 9466 4245

35° 4149 2630

45° 958 853

55° 72 102

65° 23 23

75° 15

85° 00

90° 0

Zone Lumens %lamp

0°-30° 9620.5 44.7

0°-40° 12250.7 57.0

0°-60° 13205.7 61.4

0°-90° 13233.5 61.6

90°-180°0 0.0

0°-180°13233.5 61.6*

* Efficiency

50% 10%

beam angle 46.4° beam angle

74.9°

Initial fc fc at fc at

Mount at beam Beam beam Beam beam

height center diameter edgediameter edge

8' 530.04.7'265.0 8.4' 53.0

10' 285.06.4'142.5 11.5'28.5

12' 177.7 8.2' 88.8 14.6' 17.8

14' 121.2 9.9' 60.6 17.6' 12.1

16' 88.0 11.6' 44.0 20.7' 8.8

ρ f 20%

ρ c 80% 50% 30%

ρw50% 30% 50% 30%10% 50%

1686764636162

2646161595659

3595657555255

4565254514852

5524950484549

6494548454247

7464245423944

8444042393742

9413840373540

10 39 35 38 35 33 38

90°

45°

0°

3200

6400

9600

12800

16000

1 2 3

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Gotham 12 AH Open Reflector SpecSheet Manuel d'utilisateur Page 3

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