Rosemount 644 Temperature Transmitter mV, ohm, RTD, Thermocouple Input, 42.4 V dc

Engineered for versatility, the Rosemount 644 Temperature Transmitter is the perfect solution to connect to your RTD or thermocouple for reliable and accurate temperature measurement.

The Rosemount temperature transmitter has single or dual sensor inputs for RTD, thermocouple, mV and ohm. It reduces complexity and simplify the day-to-day operations.

Enhanced display with LOI
Integral transient protection
Enhanced accuracy and stability