The Rosemount 644 Temperature Transmitter provides accurate and reliable temperature measurement for industrial processes. Featuring HART communication protocol and durable construction, it ensures stable performance in demanding environments. With easy configuration and installation, this versatile transmitter supports various sensor types, making it suitable for numerous applications across different industries.

Product Data Sheet: Rosemount™ 644 Temperature Transmitter

Engineered for versatility, the Rosemount 644 Temperature Transmitter is available with HART™, FOUNDATION™ Fieldbus or PROFIBUS™ protocols in head, field or rail mount styles and a variety of enclosure options. By adding a Local Operator Interface (LOI), you can update your transmitter configuration in the field without tools. For diverse application requirements, this transmitter includes diagnostic capabilities, such as Hot Backup™ capability, sensor drift alert and thermocouple degradation.