Visual Fault Locator 30km Fiber Optic Tester with FC/UPC to LC/UPC

About this product

• High-Efficiency Precision Visual Fault Locator: Utilizes an imported 650nm red laser chip, delivering stable and powerful output. This VFL fiber optic tester is ideal for locating fibers to be spliced ​​or quickly pinpointing breakages. It can switch between continuous and flashing modes to differentiate between signal and ambient light. Precise visibility simplifies the troubleshooting process, saving you time on-site.
• Excellent Field Partner: This visual fault locator is constructed from durable aerospace-grade aluminum alloy for superior impact and wear resistance. Anti-slip textured grip and contoured slide switch provide comfortable, secure handling during extended use, reducing hand fatigue. Constant output power—no flickering. Low battery warning—no sudden shutdowns. Powered by two AA batteries (not included). Compact, portable, ready when you are. ⚠️ Battery note: Positive (+) toward laser head. Reverse polarity will prevent operation.
• Wide Compatibility: It features a standard 2.5mm universal interface. The included premium FC to LC adapter ensures instant compatibility with SC, FC, ST, and LC connectors. Compatible with both Single Mode (9/125um) and Multimode fiber. Perfect for FTTH installation, CATV engineering, data center maintenance, and network troubleshooting.
• Stable Output Over Long Distances: Utilizing imported 650nm red laser chips and high-efficiency circuitry, it provides powerful and stable output. Even in long-distance fiber optic transmission, faults can be clearly detected. Highly efficient and accurate positioning can be achieved even in long-distance fiber optic networks.
• Complete Kit & Built to Last: The complete kit includes: visual fault locator VFL unit, FC to LC adapter, one anti-loss lanyards, protective carrying pouch, and user manual. Aerospace-grade aluminum body and stainless steel tip resist drops, dust, and static. Self-replaceable ceramic core extends product life. Protective dust cap keeps the connector clean when not in use.

From the Amazon listing, fetched 10 October 2026. Amazon’s words, not ours.