644H and 644R HART Smart Temperature Transmitters are microprocessor-based instruments that accept inputs from a wide variety of sensors. The Model 644 transmitter combines Rosemount reliability with the flexibility of digital electronics, and is ideal for critical applications that require good performance or remote communications. Communicates digitally using HART protocol. Reduces maintenance trips to the field through advanced diagnostics.
Universal head allows for mounting flexibility in hazardous locations.
Fail-safe alarming provides reliable fault detection for electronics and sensors. Compact design allows installation into a wide range of connection heads or on a DIN rail. These transmitters are compatible with a wide variety of sensors which are software selectable using the HART Communicator. Eliminate sensor interchangeability error using Transmitter-Sensor matching available with the Model 3144, 3244MV, or 644. The Models 3144 and 3244MV Temperature Transmitters offer market-leading reliability, stability, and performance for your critical measurements.