24 Jul Heartwood FIDC Fiber-Optic Infrared Detector Card Light Gauge Polarity Tester
Condition is New. Tired of running or troubleshooting single-mode fiber-optic connections and not being certain light is present, or connected in the right polarity?. This heavy-duty laminated card contains an indicator swatch for identifying the presence of non-visible infrared light (but it works with 850nm...