The FS-V21 digital fiber optic sensor excels in detecting small transparent objects with high accuracy, offering reliable performance in challenging industrial environments through advanced digital signal processing and precise alignment techniques. NPN open collector output at 40 V with 100 mA max. *1 The model is sold only in Japan. *2 The maximum current will be 20 mA. FS-V21 is DUAL DIGITAL FIBER SENSOR manufactured by Keyence. FS-V21 is DUAL DIGITAL FIBER. Find many great new & used options and get the best deals for 1PCS New FS-V21 Fiber Optic Sensor FSV21 #F5 at the best online prices at eBay! Free shipping for many products!Browse online or download Sensors Keyence FS-V21 User ManualThe FS-V21 21G/21R (P)/21X is a fiber sensor designed for detecting targets. The sensor features a variety of features including, adjustable sensitivity, multiple output modes, and timer functions. It is suitable for a wide range of applications such as detecting moving workpieces, positioning, and. 1PC New KEYENCE FS-V21 Digital Fiber Optic Amplifier Sensor Cable FSV21 In Box.