The HSV-110D is a high-performance, portable multi-function optical time domain reflectometer (OTDR) designed for professional fiber optic testing, fault diagnosis, and routine maintenance. 🏅1310nm+1550nm and 32dB+30dB: SS315T-2A1 series OTDR provides 1310nm+1550nm wavelengths and 32dB+30dB dynamic range, with a maximum test distance up to 120km/75mi, and adopts high-quality light sources, advanced optical algorithms, multiple test modes, precise identification of fiber links. The OTDR developed and produced by Komshine has excellent performance parameters and has become an important equipment for global fiber optic network testing and maintenance. Currently, Komshine has a variety of high-precision OTDRs, among which the FTTx OTDR fully automatic mode for measuring. 🏅1310nm/24dB+1550nm/22dB: The SS303T-2A1 produced by SKYSHL is a very mini and smart handheld OTDR fiber tester. It has dual wavelengths of 1310nm+1550nm and a maximum dynamic range of 24dB+22dB. The maximum test distance is up to 60km. 5-inch colorful LCD screen, a new plastic shell design, shock-proof, and drop-proof. This product is mainly used to measure the parameters of optical fibers and cables, such as length, loss, and connection quality, etc.