| Type: | Temperature Transmitter |
|---|---|
| Structure Type: | Temperature Transmitter |
| Measuring Medium: | Temperature |
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The Rosemount 644 Temperature Transmitter is a high-precision, industry-leading device designed for accurate and reliable temperature measurement across a wide range of industrial applications. Engineered with advanced sensor technology, this transmitter supports multiple input types, including RTDs, thermocouples, and resistance sensors, ensuring compatibility with diverse temperature monitoring needs. Its robust construction complies with international standards such as IEC 61508 and SIL 2/3 certification, making it suitable for critical safety systems in oil and gas, chemical processing, power generation, and pharmaceutical industries. The device features a 4-20 mA HART®-enabled output with digital communication capabilities, enabling seamless integration into modern control systems for real-time data acquisition and remote configuration. With a measurement accuracy of up to ±0.1% and a wide operating temperature range of -40°C to 85°C (-40°F to 185°F), it delivers stable performance in extreme environments. The transmitter's modular design allows for head-mounted, rail-mounted, or field-mounted installations, complemented by IP66/IP67 protection against dust and moisture ingress. Advanced diagnostics, including sensor drift detection and loop integrity monitoring, enhance operational safety while reducing maintenance downtime. The intuitive LCD interface with multi-language support simplifies configuration and troubleshooting, and its explosion-proof certifications (ATEX, IECEx) ensure compliance with hazardous area requirements. Built with corrosion-resistant materials and EMI/RFI immunity, the Rosemount 644 ensures long-term reliability, backed by global technical support and a 5-year warranty. Its energy-efficient design minimizes power consumption, aligning with sustainable industrial practices without compromising measurement precision or response time.
Rosemount 644 Temperature Transmitter Selection Guide
| Model | Key Parameters | Features | Applications |
| 644HAK5M5J5 |
- H: Top-entry terminal block - A: 4-20 mA/HART - K5: FM I.S. & FISCO - M5: LCD display - J5: Universal terminal box |
Explosion-proof design - Local LCD for real-time monitoring - Sensor trimming for accuracy |
Hazardous environments (oil & gas, chemical plants) |
| 644H R2A I5 |
- R2: DIN A headmount - A: HART 7 - I5: Foundation Fieldbus |
- DIN rail mounting - Advanced diagnostics (Hot Backup™) - Multi-protocol suppor |
Critical process control (power generation, refining) |
| 644R A5G5 |
- A5: PROFIBUS PA - G5: WAGO spring clamp terminals |
- Vibration-resistant wiring - Simplified field configuration - SIL 2/3 certified |
High-vibration areas (pumps, compressors) |
| 644S A I5 |
- S: DIN A headmount - I5: Foundation Fieldbus - LOI: Local interface |
- Tool-free configuration - Sensor drift alerts - 0.15% accuracy (Pt100) |
General industrial automation (manufacturing, HVAC) |
| 644R A1 |
- A1: NAMUR alarm levels - Dual-sensor input |
- Safety-critical alarms - Redundancy for measurement integrity |
Safety systems (SIS, emergency shutdown) |
| 644H Q4 |
- Q4: 3-point calibration certificate - HART 5/7 |
- Traceable calibration - HART variable mapping - 5-year stability |
- Traceable calibration - HART variable mapping - 5-year stability |
Efficient Supply Chain & Production Scalability
Global production networks enable rapid customization and cost efficiency. Endress+Hauser operates manufacturing hubs in Germany, Switzerland, and China, leveraging localized production to meet regional demands while maintaining international quality benchmarks. Similarly, uses automated assembly lines to reduce labor costs and improve scalability.
Comprehensive Quality Assurance Systems
Strict adherence to international standards (ISO 9001, CE, UL) ensures product reliability. For example, Dongrun Instrument's water quality analyzers undergo rigorous testing for corrosion resistance and accuracy, while Hainar (a hygiene equipment manufacturer) maintains 100% traceability in production.
Sustainability & Digital Transformation
Companies are increasingly integrating green technologies and digital solutions (predictive analytics, cloud-based monitoring). Dongrun's smart water management platforms and E+H's remote diagnostic services exemplify this shift toward Industry 4.0.
Strategic Future Roadmaps
Long-term strategies focus on international expansion and vertical integration. For instance, Dongrun aims to replace 80% of imported instruments in China by 2028, while Hainar plans to dominate the global hygiene equipment market through IPO-funded R&D.
Strong Client Relationships & Market Positioning
Leading companies build long-term partnerships with industry giants (e.g., Siemens, PetroChina) and cater to niche markets. Their reputation for reliability and compliance with certifications (e.g., SIL, GMP/FDA) ensures customer trust. Endress+Hauser, for example, serves over 100 countries and maintains a 50% annual growth rate in high-precision flowmeters.
Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information
Q: What is the delivery time?
A:The products in stock will be shipped after receiving the payment, and the products that
need to be ordered are subject to the factory time.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing.
Q: How about the payment terms?
A:You can choose T/T.
Q: What is the MOQ?
A:1PC.
Q: Can l get a lower price if l order large quantities?
A: Yes, cheaper prices with more bigger size orders.
Q:After sales and warranty?
A: We provide one year warranty lifetime technical support services.
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