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PHOTOMETRICS
Photometric Results
Spacing Criterion = 1.2
Efficiency = 72.0%
Test No. P11610
MD639T4G65E 6951LI
Lamp = CMH39/T4/GU6.5
Lumens = 3400
Wide Distribution
39W
T4
Photometric Results
Spacing Criterion = 0.9
Efficiency = 73.4%
Test No. P11611
MD639T4G65E 6951LI
Lamp = CMH39/T4/GU6.5
Lumens = 3400
Medium Distribution
39W
T4
Photometric Results
Spacing Criterion = 0.6
Efficiency = 73.1%
Test No. P11612
MD639T4G65E 6951LI
Lamp = CMH39/T4/GU6.5
Lumens = 3400
Narrow Distribution
39W
T4
20W Multiplier 0.48
Portfolio • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801
Candlepower Distribution
Downlight
90°
75°
600
60°
1200
45°
1800
0°
15°
30°
Candlepower Distribution
Downlight
90°
75°
1050
60°
2100
45°
3150
0°
15°
30°
Candlepower Distribution
Downlight
90°
75°
2000
60°
4000
45°
6000
0°
15°
30°
Specifications and Dimensions subject to change without notice.
Cone of Light
Distance
Initial
Fixture to
Beam
Footcandles
Lighted
Diameter
at Nadir
Plane
8'0"
28
1'6"
10'0"
18
13'0"
12'0"
12
16'0"
15'0"
8
20'0"
20'0"
4
26'0"
Cone of Light
Distance
Initial
Fixture to
Beam
Footcandles
Lighted
Diameter
at Nadir
Plane
8'0"
47
7'0"
10'0"
30
9'0"
12'0"
21
11'0"
15'0"
14
13'6"
20'0"
8
18'0"
Cone of Light
Distance
Initial
Fixture to
Beam
Footcandles
Lighted
Diameter
at Nadir
Plane
10'0"
59
5'6"
12'0"
41
6'6"
15'0"
26
8'6"
20'0"
15
11'0"
25'0"
9
13'0"
MD620T4G65, MD639T6G65
Candelas
Zonal Lumens Summary
Vertical
CD
Angle
Zone
Lumens
0
1770
0-30
1331
5
1699
15
1502
0-40
2177
25
1613
35
1432
0-60
2448
45
309
0-90
2449
55
3
65
1
90-180
0
75
0
85
0
0-180
2449
90
0
Candelas
Zonal Lumens Summary
Vertical
CD
Angle
Zone
Lumens
0
3038
0-30
1839
5
2836
15
2559
0-40
2346
25
1898
35
800
0-60
2493
45
196
0-90
2494
55
2
65
1
90-180
0
75
0
85
0
0-180
2494
90
0
Candelas
Zonal Lumens Summary
Vertical
CD
Angle
Zone
Lumens
0
5869
0-30
2118
5
5396
15
3359
0-40
2395
25
1543
35
424
0-60
2486
45
129
0-90
2487
55
1
65
1
90-180
0
75
0
85
0
0-180
2487
90
0
%
%
Lamp
Luminaire
39.1
54.3
64
88.9
72
99.9
72
100
0
0
72
100
%
%
Lamp
Luminaire
54.1
73.7
69
94.1
73.3
100
73.4
100
0
0
73.4
100
%
%
Lamp
Luminaire
62.3
85.2
70.4
96.3
73.1
100
73.1
100
0
0
73.1
100
ADP081246
07/15/2008 12:14:00 PM
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