{"product_id":"st-vff5-simplytest-visual-fault-finder-fiber-optic-2-5mm-universal-st-sc-fc","title":"SimplyTEST Visual Fault Finder — Fiber Optic VFL with 2.5mm Universal Adapter | ST-VFF5","description":"\u003ch2\u003eSimplyTEST Visual Fault Finder — Fiber Optic VFL with 2.5mm Universal Adapter — ST-VFF5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eST-VFF5\u003c\/strong\u003e is a professional fiber optic \u003cstrong\u003eVisual Fault Locator (VFL)\u003c\/strong\u003e — the essential go-to tool carried by every fiber technician on Canadian commercial and campus installations. It injects visible red laser light into the fiber, making breaks, sharp bends, and bad connectors visible to the naked eye — identifying faults that OTDR traces and power meters alone cannot locate.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Every Fiber Tech Carries a VFL\u003c\/h3\u003e\n\u003cp\u003eWhen a fiber run fails continuity or shows unexpected loss, the first troubleshooting step is always the VFL. Visible laser light escaping at a damaged point, sharp bend, or mis-seated connector is immediately identifiable — even through the fiber jacket in some cases. The ST-VFF5 resolves the most common field faults (bad terminations, tight bends in conduit, connector seating issues) in seconds, before reaching for an OTDR.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e2.5mm universal adapter\u003c\/strong\u003e connects to ST, SC, and FC connectors — the three standard connector types found on Canadian commercial fiber infrastructure — without adapters or converter tips.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eST-VFF5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSimplyTEST (SimplyBRANDS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVisual Fault Locator (VFL) \/ Visual Fault Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed visible laser diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiber Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultimode and single-mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Adapter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5mm universal (ST \/ SC \/ FC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCW (continuous) and 1Hz\/2Hz blink modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e810093721214\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.1 lbs \/ 0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHTS Code (Canada)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9033.18.0200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the ST-VFF5 work with LC connectors?\u003c\/strong\u003e\u003cbr\u003eLC connectors use a 1.25mm ferrule. The ST-VFF5's 2.5mm universal adapter connects to ST, SC, and FC (2.5mm) connectors. An LC-to-SC adapter is required to use the VFF5 with LC-terminated fiber — a common adapter available separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan a VFL replace an OTDR?\u003c\/strong\u003e\u003cbr\u003eNo. A VFL identifies visible faults — breaks, bad connectors, sharp bends — typically within the first 2–5km. An OTDR provides precise loss measurement, splice quality analysis, and fault location over long distances. Both tools are complementary: use the VFL first, OTDR for full characterization.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the blinking mode used for?\u003c\/strong\u003e\u003cbr\u003eThe 1Hz\/2Hz blink mode makes it easier to identify which fiber in a bundle or tray is active — the blinking light is easier to spot in a bundle than a constant beam.\u003c\/p\u003e","brand":"SimplyTEST","offers":[{"title":"Default Title","offer_id":45730329133247,"sku":"ST-VFF5","price":518.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0410\/6262\/9541\/files\/ST-VFF5-01.jpg?v=1781549162","url":"https:\/\/www.simplycontrolled.ca\/products\/st-vff5-simplytest-visual-fault-finder-fiber-optic-2-5mm-universal-st-sc-fc","provider":"Simply Controlled","version":"1.0","type":"link"}