TECHNICAL DETAIL & LAB TEST REPORT
FEATURES AND PATTERN
www.dbmlighting.com
18 mm SERIES - Medium Beam - Part Number R-004s
Lens Reference
Tested with LED
HAD*
Curve Type
Lens Material
Operating temperature
*HAD = Half Angle Divergence
DBM18A-15F-REW-1
Luxeon Rebel 50lm White
11 deg
PEAK
PMMA HT
-40ºC+110ºC
PATTERN HERE
Pin position and diameter
1.525
3.100
1.525
4.50
1.58
3.05
OPTICAL EFFICIENCY
Rebel's back
Half Angle Divergence: 11 deg
HAD Efficiency:
Collection Efficiency:
45 %
89 %
Efficiency %
100 %
90 %
80 %
70 %
60 %
50 %
40 %
30 %
20 %
10 %
0%
5º
62 %
39 %
73 %
78 %
80 %
82 %
83 %
83 %
10º
15º
20º
25º
30º
35º
40º
45º
OUTPUT DISTRIBUTION
LED Flux: 40 Lumens at 350 mA
POLAR
GRAPHIC
120
110
50
ILLUMINANCE
LED Flux: 40 Lumens at 350 mA
-170
-160
160
150
140
130
170
200
150
100
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
ILLUMINANCE VALUES AT VARIOUS DISTANCES
RANGE
ILLUMINANCE
MULTIPLICATOR RATE
LED+LENS / LED ONLY
300
1.0 m
191 Lux
2.0 m
48 Lux
14 X
3.0 m
21 Lux
Max intensity
100
90
80
70
60
50
40
30
-30
20
10
0
-10
-20
-40
0
192Cd
CARTESIAN GRAPHIC
300
250
CANDELA
250
Intensity
Intensity Inside *HAD
200
200
150
150
100
100
50
50
LUX
-50
Lux at 1m
Lux at 2m
lux at 3m
ANGLE
0
ANGLE
0
1
-6
8
15
22
29
36
43
50
57
64
71
78
-90
-83
-76
-69
-62
-55
-48
-41
-34
-27
-20
-13
85
-2
6
14
22
30
38
46
54
62
70
78
-90
-82
-74
-66
-58
-50
-42
-34
-26
-18
All right reserved. No part of this file may be copied, reproduced in any form or by any means, electronic, mechanical, photocopying, recording or otherwise without our prior permission. DBM REFLEX 2006
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