The RKI AirLink 5900 converts any 4-20mA signal to wireless output for gas, flame, tank level, and other sensor types. It is wire-powered from 12 to 35 VDC and communicates with RKI AirLink 7010, 7032, and 7543 controllers.

Magnetic switches allow non-intrusive controls for full system settings and diagnostics. Features include graphical LCD with LED backlight, 3 push-button interface, external N-female RF connector, and aluminum enclosure. The converter supports up to 255 addresses per network and carries a 1-year warranty. Applications include petrochemical plants, water/wastewater treatment, pulp and paper mills, and manufacturing facilities.