The UT691-10 is a compact and reliable visual fault locator designed for identifying fiber optic faults quickly and accurately. Ideal for field testing and maintenance, it emits a bright red laser to detect fiber breaks, bends, or faulty connectors in both single-mode and multi-mode fibers.
- Wavelength Output: 650nm visible red laser for easy fault detection
- Output Power: Up to 10mW, suitable for testing up to 10km fiber length
- Universal Connector: Compatible with 2.5mm FC, SC, and ST connectors
- Continuous & Pulse Modes: Supports both constant and blinking laser output
- Durable Build: Robust aluminium casing with pocket-sized design
- Battery Operated: Powered by 2 × AA batteries for portability
- Low Battery Indicator: Alerts when battery needs replacement
- Protective Cap: Prevents dust ingress and accidental activation







