Gotham DLVI 5cm (2) Adjustable Pinhole SpecSheet User Manual
Page 3
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/24/13. Specifications subject to change without notice.
PAGE 3 OF 3
DLVI-2-ADJ-PInhOLE
PH
OTO
M
ET
RY
5cm (2”) DLVI
Adjustable Pinhole
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 SURFACE
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/PH
15
3600
318
1.1
0.7
28
4.4
2.1
BAB
20
FL
GE/SY
40
525
46
3.4
2.1
4
19.3
5.8
EXT
50
NSP GE/SY/PH
13
10200
902
0.9
0.6
80
3.8
1.8
EXZ
50
NFL GE/SY/PH
26
3400
301
2.0
1.3
27
8.8
3.7
EXN
50
FL
GE/SY/PH
40
1850
164
3.4
2.1
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
V1
V2
H
45˚
aiming
angle
60˚
aiming
angle
fc =
MBCP x Cos
3
(aiming angle)
H
2
(distance from wall squared)
Feet
out from wall (H)
6
7
8
9 10
Aiming
angle Cos
3
Feet
down from ceiling (V)
45° .354
6
7
8
9 10
50° .266
7
8 10 11 12
55° .189
9 10 11 13 14
60° .125
10 12 14 16 17
65° .076
13 15 18 19 21
70° .040
17 19 22 25 28
75° .017
22 26 30 34 37
Formula for other distances and aiming angles.
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.