FOT3305 series Optical Fiber Ranger is a portable optical fiber length measuring instrument. It adopts OTDR principle and integrates powerful analysis software. It can quickly and accurately detect the location and type of optical fiber cable fault point, and test the distance between two optical fiber nodes.

FOT306 series are easy to operate, without complicated parameter setting, and has friendly interface. It is small in size, light in weight, easy to carry and maintain. It adopts large capacity rechargeable lithium battery and energy saving design, and has long standby time. The instrument is suitable for fault location in engineering construction and maintenance based on FTTx and access network.