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China, Chinese Original Rosemount 644 Temperature Transmitter1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Kerui (Weifang) Automation Equipment Co., Ltd.
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Product Description Product Name Temperature transmitterBrand Rosmeount Model 644Product DescriptionThe product advantages of the Rosemount 644 temperature module include:1. High Measurement Accuracy- The Rosemount 644 temperature transmitter delivers exceptional accuracy, with a precision of ±0.15°C (±0.27°F) for Pt100 RTD inputs.2. Compatibility with Multiple Sensors - It can be configured to work with various types of sensor inputs, including resistance temperature detectors (RTDs), thermocouples, millivolt sensors, or ohm meters.3. Enhanced Diagnostic Capabilities - The device features advanced self-diagnostic functions that help reduce the need for on-site maintenance and improve system reliability.4. Environmental Adaptability - With excellent radio frequency interference (RFI) immunity and stability, it maintains accurate performance even in harsh environmental conditions. It also includes ambient temperature compensation, minimizing measurement errors caused by temperature fluctuations.5. Flexible Installation Options - Supports both top-housing mounting and DIN rail mounting, adapting to different installation requirements and space constraints.6. Multiple Communication Protocols - The Rosemount 644 temperature transmitter is available with 4-20 mA/HART or fully digital Foundation Fieldbus protocol options, making it easy to integrate into existing industrial networks.7. Ease of Maintenance - Compatible with Rosemount HART communicators and PC-based AMS Device Management software, simplifying device configuration, commissioning, and maintenance.8. Vibration and Shock Protection- Offers WAGO spring clamp terminal options, which require no fasteners and are ideal for vibration-resistant connections.9. Long-Term Stability and Durability- Maintains stability within ±0.1% of reading or ±0.1°C over one year, ensuring consistent and reliable performance over time.10. Programmability - Supports configurable parameters, linearization, alarms, and other programmable functions to meet diverse application needs.These features make the Rosemount 644 temperature module an ideal choice for critical applications across a wide range of process environments.Packaging & ShippingCompany ProfileKeRui (Weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales, technical services, and supporting equipment supply to specialized companies.The main products are flow meters, level meters, temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications.Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental textiles, dyeing, and other fields. protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.FAQQ: How long will you give me the reply?A: We will reply to you as soon as we see the informationQ: What is the delivery time?A: The products in stock will be shipped after receiving the payment, and the products thatneed to be ordered are subject to the factory's 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 I 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 a one-year warranty and lifetime technical support services.Company Advantages of KeRui (WeiFang) Automation Equipment Co., Ltd.KeRui (WeiFang) Automation Equipment Co., Ltd. is a leading manufacturer and innovator in industrial automation solutions, specializing in pressure transmitters, flowmeters, handheld communicators, valve positioners, and related instrumentation. With decades of expertise and a global reputation for quality, we are committed to delivering cutting-edge products tailored to meet diverse industrial demands. Below are our core competitive advantages:1. Advanced Technology & Precision EngineeringHigh-Accuracy Pressure Transmitters: Our pressure transmitters achieve ±0.075% reference accuracy (digital) and ±0.1% (analog), ensuring reliable measurements even in extreme conditions (-40°C to 150°C). Leveraging 18-bit ADC technology, they minimize environmental temperature drift for long-term stability. Smart Flowmeters: Our variable area flowmeters (e.g., ZYZZ series) feature geomagnetic compensation, LCDs, and Exd II CT6 explosion-proof certification, suitable for hazardous environments like oil & gas and chemical plants.Valve Positioners with Auto-Calibration: Equipped with Foundation Fieldbus protocol compatibility, our valve positioners enable automatic zero/span adjustment and reduce commissioning time by 50%, ensuring optimal control loop performance2. Robust Quality Control & CertificationsISO 9001 & API Compliance: Adhering to ISO 9001:2015 and API standards, we implement rigorous quality checks from raw material selection to final testing. Durable Construction: Products feature 316L stainless steel, PTFE/PFA coatings, and IP67/IP68 protection, ensuring corrosion resistance and longevity in harsh environments. Global Certifications: Our devices meet ATEX/IECEx, SIL 2/3, and NAMUR NE 21/43 standards, making them compatible with international safety and regulatory requirements3. Customization & VersatilityTailored Solutions: We offer custom sensor matching (e.g., RTD, thermocouple) and output signal customization (4-20mA, HART, PROFIBUS) to align with specific application needs Wide Application Coverage: Products are designed for industries including oil & gas, water treatment, chemical processing, and HVAC systems, with flowmeters supporting flow rates from 20Nm3/h to 5000Nm3/h Multi-Function Handheld Communators: Our handheld devices provide intuitive configuration, real-time diagnostics, and PID control integration, streamlining field operations.4. Innovation & R&D ExcellenceIn-House R&D Team: With 6+ dedicated engineers, we continuously innovate in materials (e.g., H-alloy sensors) and software (e.g., predictive maintenance algorithms).Smart Features: Products integrate self-diagnostic alerts (e.g., sensor drift detection) and IoT readiness, enabling seamless integration into Industry 4.0 systems.5. Efficient Production & Global ServiceLarge-Scale Manufacturing: Operating 7 production bases with 5,000+ annual capacity, we ensure fast delivery and cost-effectiveness Comprehensive Support: Our 51% localized overseas teams provide 24/7 technical assistance, onsite training, and spare parts supply Warranty & Traceability: All products come with a 1-year warranty and full lifecycle traceability, backed by digital documentation for easy maintenance.6. Sustainable & User-Centric DesignEnergy Efficiency: Devices like low-power flowmeters (3.6V lithium battery option) reduce operational costsErgonomic Interfaces: Features like dual-indication displays (LCD + analog) and WAGO spring-clamp terminals simplify installation and reduce downtime.
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