Emerson Rosemount 644RANAQ4 Pressure Transmitter is a device for industrial process pressure measurement that converts sensed pressure into an electrical signal for monitoring and control systems. It operates from a 12.0 to 42.4 V supply, a range that supports typical field wiring and power arrangements. The 644RANAQ4 designation identifies this unit within Emerson's Rosemount line of pressure transmitters.
