OS-QM03F series Optical Time Domain Reflectometer (OTDR) is an intelligent meter of a new generation for the detection of fiber communications systems. With the ever-increasing popularity of optical network construction in both urban and rural areas, the measurement of optical networks has become short and dispersed. OS-QM03F is specially designed for that kind of application. It is a very cost-effective option, delivering outstanding performance. OS-QM03F is manufactured to comply with stringent international mechanical, electronic, optical testing and quality assurance standards. With a modern and compact new design, OS-QM03F is your perfect partner for detecting link layers in the construction & installation of optical networks, as well as for efficient maintenance and troubleshooting.