Fluke FIBERLERT-125 Fluke Networks FiberLert Detector

Solve fiber connectivity issues faster with the Fluke FiberLert-125 fiber optic detector from Fluke. This compact fiber optic tester gives technicians a clear, immediate indication of optical signal presence—using both light and audible alerts—so you can confirm links on SM and MM fiber (850–1625 nm) without complex setup or interpretation. The non-contact detector reduces the risk of contaminating or damaging delicate UPC and APC connectors, making it ideal for patch panels, ports and patch cords in security, surveillance and network monitoring deployments.

Designed for field reliability, the FiberLert-125 features the LightBeat LED to show power and battery status, a five-minute auto-shutoff to conserve the included 2xAAA alkaline batteries, and a rugged pocket clip for on-the-go use. Whether you're validating CCTV fiber runs, testing data center patching or troubleshooting enterprise network links, this Fluke Networks fiber optic tester speeds diagnostics while protecting components.

Add the Fluke FiberLert-125 to your toolkit to streamline fiber testing and reduce mean time to repair on critical security and networking systems—order now to improve your onsite efficiency.

• Fast, non-contact detection for quick fiber troubleshooting, reducing downtime on installations and maintenance
• Detects SM and MM fiber across 850–1625 nm so you can verify a wide range of links and connectors
• Non-contact design minimizes contamination and connector damage on ports and patch cords
• LightBeat LED and 5-minute auto-off extend battery life; runs on 2xAAA alkaline batteries (included)
• Rugged, pocket-ready build with clip and a two-year warranty for dependable field use