Rosemount 644ranaq4 Temperature Transmitter Rev. Aa

Introduction to the Rosemount 644RANAQ4

The Rosemount 644RANAQ4 is a member of the 644 series, which is designed to fulfill rigorous temperature monitoring needs. Rev. AA signifies a particular revision that encompasses better diagnostics and more stable firmware, providing enhanced integration and extended lifecycle in severe environments.

It is typically used in conjunction with resistance temperature detectors (RTDs) and thermocouples, converting temperature sensor signals into a standard 4–20 mA output, often with digital HART protocol communication.

Key Features of Rosemount 644RANAQ4

• High Accuracy and Stability:
The 644RANAQ4 offers industry-leading accuracy, ensuring your temperature data is consistently reliable over time.

• HART Protocol Support:
Enables advanced digital communication, remote diagnostics, and configuration without interrupting the process.

• SmartPower Technology:
Engineered to be energy-saving, this transmitter promotes efficiency without sacrificing performance.

• Custom Configuration Options:
Offering a variety of mounting options—head mount, rail mount, or field mount—this product offers flexibility to accommodate varied system designs.

• Diagnostics and Alerts:
Features enhanced diagnostics such as sensor drift detection, loop integrity checks, and alerts on sensor failure—perfect for predictive maintenance practices.

• Rev. AA Firmware Benefits:
Increased reliability, lower noise interference, and better compatibility with contemporary control systems.

Applications

The Rosemount 644RANAQ4 Temperature Transmitter is utilized in a broad range of industrial applications:

• Oil and Gas:
Applied to pipeline temperature measurement, refining operations, and offshore installations because of its ruggedness and accuracy.

• Chemical Processing:
Used in controlling exothermic and endothermic reactions that require stable temperature conditions.

• Power Generation:
Critical for boiler control, turbine temperature measurement, and thermal efficiency enhancement.

• Pharmaceutical Manufacturing:
Best for ensuring validated environmental conditions throughout production and storage.

• Food & Beverage:
Maintains adherence to rigorous hygiene and temperature control regulations throughout processing and packaging.

Why Select the 644RANAQ4?

Compared to off-the-shelf transmitters, the Rosemount 644 series, particularly the 644RANAQ4, is exceptional due to its high-quality construction, long-term stability, and intelligence. For those looking to reduce downtime, increase output quality, and use real-time information, this transmitter is an investment worth considering.

The broad temperature range compatibility and sensor flexibility also make it a convenient option for diverse process environments.