D YEDEMC Live Optical Fiber Identifier with Wave Respond 800-1700nm Built in 10mw VFL FTTH Tool

(Macro bends are the usage of fiber-optic flexing leakage out when the weak optical signal). Some fiber cladding is also thick, or some light is not simple to leakage out (for instance 850/1300nm), so it’s tough to determine. The most convenient to determine wavelength is 1310/ 1550nm.

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