TB-620 OTDR is an entry level handheld, portable OTDR with a 3.2inch color LCD mainly used in CATV networks to help technicians measure the fiber length and attenuation loss.
Dual wavelength capability: TB-620 OTDR is available in Single mode, two wavelength options of 1310/1550 nm and is provided with a very capable user friendly OTDR simulation software which shows details of events.
TB-620 OTDR is an ultra-economy OTDR with built in Optical Power Meter with Range C: +26~-50dBm for cable tv users and Visual fault locator 1mW as standard feature.
