The Rosemount HART 475 Communicator is a handheld device used for configuration, calibration, and diagnostics of HART-enabled field devices. HART (Highway Addressable Remote Transducer) is a communication protocol widely used in the process industry to transmit digital information between smart field instruments and control systems.

The HART 475 Communicator, produced by Emerson Automation Solutions under the Rosemount brand, is a portable tool that allows technicians and engineers to communicate with and configure HART-enabled devices in the field. It provides a user-friendly interface for accessing device parameters, performing calibration and configuration tasks, and troubleshooting.