The Rosemount 644 Temperature Transmitter is a marvel of engineering, designed for ultimate adaptability. It offers HART, FOUNDATION Fieldbus, or PROFIBUS protocols and comes in head, field, or rail mount styles with multiple enclosure choices. The addition of a Local Operator Interface (LOI) allows for seamless transmitter configuration updates directly in the field, no tools required. This versatile transmitter meets diverse application needs with advanced diagnostics, including Hot Backup capability, sensor drift alert, and thermocouple degradation monitoring.
Input:Empowered with dual and single sensor capabilities, this device accepts universal sensor inputs including RTD, T/C, mV, and ohms, ensuring maximum flexibility and performance.
Output:Delivers robust and reliable signal output with 4-20 mA /HART™ protocol, FOUNDATION™ fieldbus protocol, and PROFIBUS™ PA protocol, catering to a wide range of communication preferences.
Housing:Choose from field mount, DIN A head mount, or rail mount options, each designed for durability and efficiency in various installation environments.
Display/Interface:A variety of display options to suit your needs, featuring LCD Display, LCD with Local Operator Interface (LOI), or LED for clear, easy-to-read information.
Diagnostics:Comprehensive diagnostics including basic diagnostics, Hot Backup™ capability, sensor drift alert, thermocouple degradation monitoring, and min/max tracking to ensure the utmost reliability and performance.
Calibration Options:Offering transmitter-sensor matching with Callendar-Van Dusen constants and 5-point calibration for enhanced accuracy and precision in measurements.
Certifications/Approvals:Achieve peace of mind with SIL 2/3 certification to IEC 61508 by an independent 3rd party, approved for hazardous locations, marine type, and more, ensuring safety and compliance.
Versatile Protocol Support:This temperature transmitter supports a wide range of protocols, available in HART, FOUNDATION Fieldbus, or PROFIBUS, making it extremely versatile for various applications.
Flexible Mounting Options:Benefit from a plethora of mounting configurations, including head, field, or rail mount, with numerous enclosure options to suit any environment.
Easy Configuration with LOI:The LOI option simplifies configuration by eliminating the need for special tools like a field communicator, enhancing usability and efficiency.
Transmitter-Sensor Matching:Transmitter-sensor matching using Callendar-Van Dusen constants significantly reduces total measurement error, ensuring reliable data.
Hot Backup and Sensor Drift Alerts:Ensure measurement integrity with Hot Backup capability and sensor drift alerts, especially with dual sensors, offering continuous reliability.
Thermocouple Health Monitoring:Advanced diagnostics monitor thermocouple health, detecting degradation early to prevent failure, ensuring seamless operation.
Temperature Extremes Tracking:Track minimum and maximum temperatures seamlessly, enabling easy troubleshooting by observing temperature extremes.
Simplified Configuration with Dashboards:Intuitive device dashboards offer a user-friendly interface for effortless device configuration and diagnostic troubleshooting.
Dimension
Rosemount 644 Field Mount
Rosemount 644H (DIN A Head Mount)
Company Profile
Cold Valley Intelligent Technology (Shanghai) Co., Ltd., a proud member of the esteemed Hanshan (Cold Mountain) Intelligent Technology Co., is committed to excellence in the field of automation.
(Known in the industry as Hanshan Intelligent Technology Co., Ltd. group), this innovative company was officially launched in Shanghai in 2013, marking the beginning of its remarkable journey.
Our pioneering founding team consists of experts from leading international automation firms, boasting over two decades of mastery in automation and engineering. With more than ten years dedicated to consulting and implementing cutting-edge digital solutions, we are driven by a mission to deliver unparalleled automation and digitization products and services to a global clientele. Our headquarters are proudly situated in the dynamic city of Shanghai, China.
For over two decades, our company has been a stalwart in the petrochemical industry, developing a profound expertise in the automation and digitalization needs across the upstream, midstream, and downstream sectors. We offer specialized products and solutions in automation and digitalization, complemented by comprehensive life-cycle services catering to sectors such as petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.
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