The SMC PFM711S-N7-D-S is a highly reliable, compact digital flow switch from the industry-leading PFM700 series, specifically designed for accurate air and nitrogen gas flow monitoring. This advanced flow sensor features an integrated 2-color digital display that provides clear, at-a-glance flow status indication, minimizing reading errors in busy industrial environments. Engineered for seamless integration, it includes an NPN output configuration and a standardized M12 connector for quick, secure, and hassle-free electrical connections. Its compact, space-saving design makes it an ideal solution for modern industrial automation setups where precise pneumatic flow measurement and control are critical.