Trileria VFL Fiber Optic Tester HG-30, 3Hz Flash Visual Fault Locator

Trileria VFL Fiber Optic Tester HG-30, 3Hz Flash Visual Fault Locator

• 【Dual Modes for Fast, Accurate Fiber Fault Location】This VFL fiber optic tester uses a <5mW bright red laser to find breaks, bends, damaged connectors, and continuity problems. Switch between continuous and 3Hz flashing mode—the rapid flash makes the red light visible even in bright daylight. A red light at the far-end confirms the core is intact. For faults beyond visible range, use an OTDR first, then this fiber fault locator to pinpoint the spot. Built-in LED light for dark areas. Actual range varies with fiber condition;
• 【Works with SC/FC/ST/LC & Many Network Types】The 2.5mm universal adapter fits SC, FC, and ST ports, and the included FC-to-LC adapter covers LC fiber tester needs. It supports both single-mode (SMF) and multimode (MMF) fiber. Use it as a fiber optic tracer in enterprise, telecom, surveillance, campus, and data communication networks.
• 【Rechargeable Battery & Simple Brightness Troubleshooting】This fiber light tester is powered by a built-in polymer lithium battery. Recharge fully in 2 hours via Type-C from a laptop, power bank, or car charger, and get 2 hours of continuous use. The indicator flashes red while charging and turns steady green when full. The battery features overcharge protection and temperature resistance (-10°C to 50°C). If the output looks dim or weak: (1) charge the battery; (2) clean the connector and VFL port with a cleaning pen—dust or oil can block the red light and reduce accuracy. The button design prevents accidental triggering in your tool bag. Turn it off when not in use to save battery.
• 【Pocket-Sized Portable Design for Daily Field Use】Ultra-compact and lightweight—123.5×35.5×18mm, only 50 grams. The durable head and high-quality casing stand up to daily wear and tear. A built-in suspension ring clips to your lanyard, belt, or safety hook, and the pocket-friendly size secures easily in your shirt pocket. This fiber optic laser pen fits tool bags, maintenance kits, and field cases. It is simple to operate with minimal setup—ideal for fiber techs, network engineers, IT admins, telecom maintenance crews, and security installers. Ready to use right out of the box.
• 【Complete Kit + 12-Month Warranty】This Trileria Visual Fault Locator works well for fiber installation, patch cord inspection, routing verification, connector checking, network troubleshooting, equipment room maintenance, surveillance deployment, enterprise cabling, and telecom infrastructure. Package includes: 1× VFL fiber tester, 1× Type-C charging cable, 1× LC adapter, and 1× user manual. Backed by our 12-month hassle-free replacement warranty (manufacturing defects). Our US-based customer support responds within 24 hours. Contact us with any questions—we are here to help.