The Dwyer Instruments RSF021V is a versatile and reliable flow switch designed to monitor and control fluid flow in various industrial applications. Its unique features include: Adjustable flow range: Allows for precise flow monitoring and control within a wide range of flow rates. Compact design: Fits easily into tight spaces, making it ideal for applications where space is limited. Durable construction: Built with robust materials to withstand harsh industrial environments and ensure long-lasting performance. Versatile mounting options: Can be mounted in multiple orientations to accommodate different installation requirements.* Electrical versatility: Compatible with AC or DC power sources, providing flexibility in electrical connections.