3S Telecom handheld OTDR instruments are designed for telecom engineers, fiber contractors and network technicians who require reliable field testing performance.

Our handheld OTDR series combines optical time domain reflectometer functions with essential testing tools such as optical power meter, light source and visual fault locator to simplify fiber installation and maintenance.

With multiple wavelength options, portable designs and flexible configurations, these OTDR testers are ideal for FTTH deployment, access network testing and fiber fault troubleshooting in various field environments.