Gotham DLVI 7.6cm (3) Adjustable Downlight SpecSheet Manual de usuario descargar pdf (Pagina 3)

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

PAGE 3 OF 3

DLVI-3-ADJ-DWN

PHOTOMETRY

7.6cm (3”) DLVI

Adjustable Downlight

Seamless Cast Faceplate with Open Cone, Max 50 Watt

LAMP PERFORMANCE DATA

All data was calculated from each lamp manufacturer’s published data and is subject to normal lamp variations. Maximum footcandle is usually at the aiming point, but not

always on wider spread lamps. Lamp data supplied by manufacturers is approximate, and individual lamp performance may vary.

ACCENT LIGHTING ANGLE PERFORMANCE DATA

DISTANCE LAMP TO LIGHTED SURFAC 2 FEET 4 FEET

DISTANCE DOWN TO AIMING POINT V1 (FT) 2 V2 (FT) 7

Beam

Lamp No. Watts Type MFG. Width (°) MBCP Aiming Angle Beam Aiming Angle Beam

to 45° Length Width 60° Length Width

50% MBCP FT-CANDLES FT-CANDLES

MR-16

ESX 20 NSP GE/SY/PH15 3600 318 1.10.7 28 4.4 2.1

BAB 20 FL GE/SY/PH 40 525 46 3.42.1 4 19.3 5.8

EXT 50 NSP GE/SY/PH 13 10200 902 0.9 0.6 80 3.81.8

EXZ 50 NFL GE/SY 26 3400 301 2.0 1.3 27 8.8 3.7

EXN 50 FL GE/SY/PH 40 1850 164 3.42.1 14 19.3 5.8

EYJ 71/65 MFL GE/SY 24 4900 433 1.8 1.2 38 7.9 3.4

EYC 71/65 FL GE/SY 36 2100 186 2.9 1.8 16 15.2 5.2

45˚

aiming

angle

60˚

aiming

angle

fc =

MBCP x Cos

(aiming angle)

(distance from wall s

uared)

Feet out

Aiming

angleCos

Feet down from ceiling

(V)

45°.354678910

50°.26678101112

55°.189910 11 13 14

60°.1251012141617

65°.0761315181921

70°.0401719222528

75°.0172226303437

Formula for other distances and aiming angles.

LOCATION OF ACCENT LUMINAIRE TO PROVIDE AIMING PT. 5.5' ABOVE THE FLOOR

Clg. Ht. (ft) 60° Aiming Angle 45° Aiming Angle

Out (H)Down (V2) Out (H) Down (V1)

8 1. 52.5 2.5 2.5

9 2. 03.5 3.5 3.5

10 2. 54.5 4.5 4.5

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.

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