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Rosemount 644 temperature transmitter Rosemount 644 temperature transmitter Rosemount 644 temperature transmitter Rosemount 644 temperature transmitter Rosemount 644 temperature transmitter
The Rosemount 644 offers a flexible and reliable solution to any temperature measurement. As a highly accurate transmitter that comes in either Hart and FOUNDATION Fieldbus communications protocols, and a head mount or rail mount configurations, the Rosemount 644 is designed to meet your most demanding applications. An available LCD display provides local measurement indication and the Transmitter-Sensor Matching functionality provides unmatched accuracy for a transmitter and RTD sensor measurement point.

Entering the temperature-resistance profile specific to the RTD sensor into the Rosemount 644 temperature transmitter results in transmittersensor matching. This eliminates the sensor interchangeability error, which can improve accuracy by up to 75%. The integral LCD display provides local indication of temperature measurement and diagnostics for immediate and accurate verification or process conditions.
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