MBR5 User Manual
MBR5 Rev 007
8
Classification
The MBR5 Series Backreflection Meter consists of an exposed metal chassis that
is connected directly to earth via a power cord and, therefore, is classified as a
Class 1 instrument.
Laser Specifications
The laser (or lasers) contained in the MBR5 meter is (are) Class 1 laser(s) as
specified under the laser classification of the US Food and Drug Administration
(FDA) Center for Devices and Radiological Health (CDRH). Laser specifications
are provided in Table 2 below.
Table 2: Specifications
Parameter
Single-‐mode (SM)
Multimode (MM)
Wavelength
1310, 1490, 1550,
1625, or 1650 ± 10 nm
850, or 1310 ± 20 nm
Class
1
1
Fiber Type
9/125 µm SM
50/125 µm
MM
62.5/125 µm
MM
Maximum Accessible
Emission Level
-‐15 dBm
-‐23 dBm
-‐25 dBm
Maximum Output
Power
-‐1 dBm
-‐1 dBm
-‐1 dBm
Numerical Aperture
0.13
0.20
0.28
Effective Numerical
Aperture
0.20
0.27
0.34
CLASS 1
LASER PRODUCT
