Fiber Optic Tester OTDR SM 1310nm/1550nm 31/29dB OPM VFL SLS RJ45 Fiber optic Reflectometer

Y43-S2 OTDR – All-in-One Fiber Optic Tester with 4.3" Touch Screen

The Y43-S2 is a compact, multi-functional OTDR designed for fast, accurate fiber optic cable analysis. Featuringdual wavelength testing at 1310nm-1550nm, it delivers comprehensive diagnostics for SM fiber networks — ideal for field technicians and network installers.

All-in-One Fiber Diagnostic ToolThe Y43-S2 integrates everything you need in a single handheld unit:

OTDR – Dual-wavelength fiber trace analysis

Visual Fault Locator (VFL) – Quickly identifies breaks and bends

Optical Power Meter (OPM) – Measures signal strength

Stabilized Light Source (SLS) – Stable output for loss testing

RJ45 Network Test – Cable verification for copper networks

Link Map – Visual diagram of fiber span events