Industrial Temperature Transmitter 644 Digital Communication

Product overview:

The Industrial Temperature Transmitter 644 with Digital Communication is engineered for precision and reliability in demanding process environments. Designed with advanced digital protocols, it ensures accurate temperature measurement, seamless integration with control systems, and long-term stability. Its robust housing and stainless-steel probe make it suitable for hazardous and industrial applications, while the digital interface enhances connectivity, diagnostics, and ease of configuration. The 644 transmitter delivers dependable performance where accuracy and safety matter most.

Specification:

Packing:

Applications of Industrial Temperature Transmitter 644

1. Process Industries

• Oil & Gas: Monitoring temperature in pipelines, refineries, and offshore platforms.
• Petrochemical & Chemical Plants: Ensuring precise control in reactors, distillation columns, and heat exchangers.
• Power Generation: Steam temperature measurement in turbines, boilers, and condensers.

2. Manufacturing & Industrial Automation

• Metallurgy & Steel: Furnace and molten metal temperature monitoring.
• Pulp & Paper: Temperature control in digesters, bleaching, and drying processes.
• Food & Beverage: Hygienic temperature monitoring in pasteurization, sterilization, and storage.

3. Pharmaceuticals & Life Sciences

• Bioreactors & Fermentation: Maintaining strict temperature control for product quality.
• Cleanroom Environments: High-accuracy monitoring with digital diagnostics.

4. Water & Environmental Systems

• Water Treatment Plants: Monitoring temperature in the filtration and disinfection stages.
• Environmental Monitoring: Integration with SCADA systems for real-time data.

5. Hazardous & Harsh Environments

• Explosion-proof Zones: Certified housing for safe operation in ATEX/IECEx areas.
• Remote Installations: Digital communication (HART®, Fieldbus, PROFIBUS™) enables remote calibration and diagnostics.

FAQ – Industrial Temperature Transmitter 644

Q1. What is the Rosemount 644 Temperature Transmitter used for?

A1. It is designed to convert temperature sensor signals (RTD, thermocouple, mV, or ohms) into a stable, digital communication signal (HART®, FOUNDATION™ Fieldbus, or PROFIBUS™ PA) for precise monitoring and control in industrial processes.

Q2. What mounting options are available?

A2. The 644 is available in head-mount, field-mount, and rail-mount configurations, making it adaptable to different installation environments.

Q3. What communication protocols does it support?

A3. The transmitter supports HART®, FOUNDATION™ Fieldbus, and PROFIBUS™ PA, ensuring compatibility with most control systems.

Q4. How accurate is the 644 transmitter?

A4. It offers high accuracy, typically ±0.1% to ±0.2% of span, depending on the sensor type and configuration.

Q5. What diagnostic features are included?

A5. Advanced diagnostics include Hot Backup™ capability, sensor drift alert, thermocouple degradation monitoring, and min/max temperature tracking, which help ensure measurement integrity.

Q6. Can it be used in hazardous environments?

A6. Yes. The 644 is certified for hazardous locations (ATEX, IECEx, FM, CSA, etc.) and is designed with explosion-proof housing for safe operation.

Q7. Does it have a local display?

A7. Yes. Options include an LCD or an LCD with Local Operator Interface (LOI), allowing configuration and monitoring directly in the field without special tools.

Q8. What industries commonly use the 644?

A8. It is widely used in oil & gas, chemical, power generation, food & beverage, pharmaceuticals, and water treatment

Shaanxi Huibo Electromechanical Technology Co., Ltd. specializes in the R&D, production, and sales of a wide variety of products, including industrial pressure transmitters, electromagnetic flowmeters, vortex flowmeters, radar liquid level meters, ultrasonic liquid level meters, magnetic flap liquid level meters, SF6 gas density gauges, sulfur hexafluoride gas density relays, piston-type pressure gauges, sulfur hexafluoride pressure gauges, precision digital pressure gauges, precision pressure gauges, stainless steel pressure gauges, diaphragm pressure gauges, Bourdon tube pressure gauges, bimetallic thermometers, resistance temperature detectors (RTDs), thermocouples, radar liquid level meters, and magnetic flap liquid level meters, among tens of thousands of other specifications.

The company currently employs 390 individuals, comprising professional R&D personnel, senior management engaged in instrument manufacturing and development, experienced installation and commissioning staff from user units, and a marketing technical team with a strong spirit of exploration. Over the years, guided by market demands and a commitment to enhancing product quality, competitiveness, and customer satisfaction, we have refined our processes and strived for excellence, becoming one of the industry leaders recognized for a wide range of products, comprehensive specifications, high-quality standards, and robust technical capabilities.

Our Advantage: We adhere to the business philosophy of "people-oriented, quality establishes enterprise, innovation revitalizes enterprise, culture strengthens enterprise." We vigorously implement total quality management, ensuring full-process quality control of our products, which has led to a steady increase in product qualification rates. Reliable product quality, an excellent sales team, and a rapid response after-sales service system have earned us the trust and praise of our customers, opening up broader market development opportunities for the company.

Our Future: Under the leadership of various departments, we are committed to enhancing internal quality and external image, seeking survival through quality, development through technology, reputation through service, and efficiency through management. We continue to promote a spirit of exploration, progress, struggle, and innovation, guided by market trends and driven by innovation. We continually adjust our product structure to create new economic growth opportunities and consistently strengthen our overall corporate strength. With outstanding performance, we aim to repay the love and support of our customers and the broader community. We are determined to build our enterprise into a technologically advanced modern company. Our future lies in closely cooperating with both new and existing customers, working together towards a brilliant future!

In response to new market conditions and to achieve sustainable development, our company has been continually reforming and innovating in recent years. We focus on improving employee quality, tightening cost control and quality enhancement, and shaping our corporate image externally by pursuing a brand strategy to enhance our credibility and reputation. We operate with integrity, striving to meet customer needs to the fullest extent. We are establishing a high-quality management and research team, keeping a pulse on market trends. We value technology and collaborate with renowned domestic universities, research institutions, and global manufacturers to upgrade and optimize our products. We are continuously enhancing our core competitiveness to provide you with the most professional instrument measurement solutions!