Gotham 4 DLV Adjustable Downlight SpecSheet User Manual
Page 3
© 2007-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 03/25/14. Specifications subject to change without notice.
PAGE 3 OF 3
DLV-4-ADJ-OPEncOnE
PH
OTO
M
ET
RY
4” DLV
Adjustable Downlight
Open Cone, Max 75 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.
45º
aiming
angle
60º
aiming
angle
H
V1
V2
Formula for other distances and aiming angles.
45º
.354
6
7
8
9 10
50º
.266
7
8 10 11 12
55º
.189
9 10 11 13 14
60º
.125
10 12 14 16 17
65º
.076
13 15 18 19 21
70º
.040
17 19 22 25 28
75º
.017
22 26 30 34 37
Aiming
angle Cos
3
Feet
down from ceiling (V)
Feet
out
6
7
8
9 10
MBCP x Cos
3
(aiming angle)
H
2
(distance from wall squared)
fc =
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 Angl e 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/PH
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
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
MR-11
FTB
20
SP
SY/PM
10
5000
442
0.7
0.5
39
2.9
1.4
FTD
20
NFL
SY
30
600
53
2.3
1.5
5
10.9
4.3
FTE
35
SP
SY/PM
10
6500
575
0.4
0.5
51
2.9
1.4
FTH
35
NFL
SY/PM
30
1300
115
2.3
1.5
10
10.9
4.3
ALR-12
GBD
20
NSP
PH
6
7000
619
0.4
0.3
55
1.7
0.8
GBE
20
SP
PH
18
1500
133
1.3
0.9
12
5.5
2.5
GBF
20
FL
PH
32
750
66
2.5
1.6
6
12.2
4.6
ALR-18
GBJ
50
SP
PH
10
13000
1149
0.7
0.5
102
2.9
1.4
GBK
50
NFL
PH
25
1900
468
1.9
1.3
15
8.3
3.5
AR-70
20AR70/8/SP
20
SP
SY
8
7000
619
0.6
0.4
55
2.3
1.1
20AR70/25/FL
20
FL
SY
25
850
75
1.9
1.3
7
8.3
3.5
50AR70/8/SP
50
SP
SY
8
15000
1326
0.6
0.4
117
2.3
1.1
50AR70/25/FL
50
FL
SY
25
2000
177
1.9
1.3
16
8.3
3.5
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
1.5 2.5
2.5 2.5
9
2.0 3.5
3.5 3.5
10
2.5 4.5
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.