The meticulously engineered Rosemount 644 Temperature Transmitter is your ultimate tool for versatility and performance. This transmitter offers seamless adaptability with your choice of HART, FOUNDATION Fieldbus, or PROFIBUS protocols, available in head, field, or rail mount styles to fit your specific needs. Choose from a variety of robust enclosure options to ensure suitability for any environment. Enhance your on-site efficiency with the Local Operator Interface (LOI), allowing you to update your transmitter configuration with ease, directly in the field, and without the need for any tools. This masterpiece is designed to cater to a multitude of application requirements, boasting advanced diagnostic capabilities such as Hot Backup functionality, sensor drift alerts, and thermocouple degradation detection, ensuring you are always ahead in maintaining system integrity.
Input: Experience the dual and single sensor capability with universal sensor inputs, supporting RTD, T/C, mV, and ohms for unparalleled adaptability.
Output: Benefit from the flexibility of Signal 4-20 mA /HART™ protocol, FOUNDATION™ fieldbus protocol, and PROFIBUS™ PA protocol, ensuring seamless integration with your systems.
Housing:Choose from field mount, DIN A head mount, or rail mount options to suit your environmental and installation needs.
Display/Interface: Opt for an LCD Display, LCD Display with Local Operator Interface (LOI), or LED to meet your visual monitoring preferences.
Diagnostics: Discover a suite of diagnostic features including basic diagnostics, the highly reliable Hot Backup™ capability, sensor drift alerts, thermocouple degradation detection, and comprehensive min/max tracking.
Calibration Options: Choose transmitter-sensor matching with Callendar-Van Dusen constants or a precise 5-point calibration to ensure measurement accuracy.
Certifications/Approvals: Rest assured with SIL 2/3 certification to IEC 61508 by an independent 3rd party, along with approvals for hazardous locations and marine type environments.
Versatile Protocol Support: Embrace the exceptionally versatile temperature transmitter available with HART, FOUNDATION Fieldbus, or PROFIBUS protocols to meet diverse communication needs.
Flexible Mounting Options: Enjoy diverse mounting configurations such as head, field, or rail mount, complemented by numerous enclosure options to fit your specific requirements.
Easy Configuration with LOI: The Local Operator Interface (LOI) option streamlines operation by eliminating the need for specialized configuration tools, enhancing user-friendliness.
Transmitter-Sensor Matching: Achieve reduced total measurement error with precise transmitter-sensor matching using Callendar-Van Dusen constants.
Hot Backup and Sensor Drift Alerts: Ensure measurement reliability with dual sensors featuring Hot Backup capability and sensor drift alerts to maintain data integrity.
Thermocouple Health Monitoring: Proactively monitor thermocouple health with diagnostic tools that detect degradation early, preventing failures before they occur.
Temperature Extremes Tracking: Monitor and track minimum and maximum temperatures to quickly identify extremes, aiding in efficient troubleshooting.
Simplified Configuration with Dashboards: Utilize intuitive device dashboards to simplify configuration and diagnostic troubleshooting, enhancing user interaction and efficiency.
Dimension
Rosemount 644 Field Mount - An expertly engineered solution offering unparalleled reliability and precision in temperature measurement.
Rosemount 644H (DIN A Head Mount) - A sophisticated and compact choice, designed to provide exceptional accuracy in all your temperature sensing needs.
Company Profile
Cold Valley Intelligent Technology (Shanghai) Co., Ltd. stands as a proud member enterprise of the esteemed Hanshan (Cold Mountain) Intelligent Technology Co. This affiliation underscores its commitment to innovation and excellence.
Established in the vibrant city of Shanghai in 2013, Hanshan Intelligent Technology Co., Ltd. group has swiftly risen to prominence in the industry.
The founding team comprises veterans from top-tier international automation companies, possessing over two decades of invaluable experience in the automation industry. With a profound expertise in engineering and over a decade in consulting and implementing digital solutions, the team is dedicated to delivering high-quality automation and digitization products and services to customers around the globe. The company's headquarters is strategically situated in Shanghai, China, a hub of innovation and commerce.
With a rich legacy of over 20 years, the company has deeply entrenched itself in the petrochemical industry, gaining a profound understanding of the automation and digitalization demands across the entire spectrum of upstream, midstream, and downstream enterprises. By offering specialized products and solutions rooted in automation and digitalization, and providing comprehensive full life cycle services, the company caters to an expansive array of industries including petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.
You may have these pressing questions
How do I select the right product?
A: Upon receiving your inquiry, we will furnish you with an exhaustive technical document. This will equip you to meticulously verify the intricate process parameters and technical specifications necessary. Taking your specific requirements into consideration, we will recommend the model that aligns perfectly with your needs.
I would like a confirmed model. Can you provide that?
A: Absolutely. Once you communicate the model you are interested in, we will first assess its suitability. If needed, we may offer suggestions for more cost-effective alternatives. Following your confirmation, we are prepared to proceed with a formal quotation, ensuring a seamless transaction.
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