Emerson Industrial HART Temperature Transmitter Explosion Proof Rosemount 644 Smart Temperature Transmitter

The Rosemount 644 Temperature Transmitter is a versatile, head-mounted solution for accurate temperature measurement in industrial processes. Designed for RTDs, thermocouples, and millivolt inputs, it delivers high precision with 4-20 mA output and optional HART communication for seamless integration into control systems. Featuring advanced diagnostics and a compact aluminum or stainless steel housing, the 644 ensures reliable performance in harsh environments. Certified for hazardous areas and compliant with global standards, it is ideal for oil and gas, chemical, and power generation applications, providing cost-effective, maintenance-free operation.

• High Accuracy: ±0.15°C (±0.27°F) for RTDs, ensuring precise temperature readings.
• Advanced Diagnostics: HART-enabled self-test and sensor drift detection for predictive maintenance.
• Versatile Input Support: Compatible with RTDs (Pt100 to Pt1000), thermocouples (Types B, E, J, K, N, R, S, T), and millivolt inputs (-10 to 100 mV).
• Compact Head-Mounted Design: Fits standard connection heads for easy installation.
• Robust Housing: Aluminum or stainless steel options with IP66/NEMA 4X protection.
• HART Communication: Enables remote configuration, monitoring, and troubleshooting.
• Low Power Consumption: Operates on 11–42 VDC for energy efficiency.
• Hazardous Area Certifications: FM, CSA, ATEX, IECEx for safe operation in explosive environments.

The Rosemount 644 Temperature Transmitter is optimized for accurate temperature measurement in diverse industrial settings:

• Oil and Gas: Monitors temperatures in pipelines, tanks, and refineries.
• Chemical Processing: Ensures precise control in reactors and distillation columns.
• Power Generation: Tracks steam and boiler temperatures for efficient operation.
• Food and Beverage: Hygienic temperature monitoring in processing and storage.
• Water Treatment: Reliable measurement in treatment and distribution systems.

It supports RTDs (2-, 3-, 4-wire), thermocouples (Types B, E, J, K, N, R, S, T), and millivolt inputs (-10 to 100 mV).

Yes, it is certified for FM, CSA, ATEX, IECEx, and SIL 2/3 for safe operation in explosive environments.

It enables remote configuration, diagnostics, and troubleshooting, reducing maintenance costs.

RTD accuracy is ±0.15°C (±0.27°F); thermocouple accuracy is ±2.2°C (±3.96°F).

Yes, with stainless steel housing and hygienic approvals, it suits food and pharmaceutical industries.

For more information about the Rosemount 644 Temperature Transmitter, pricing, or to request a demo, contact our team:

• Email: edward.zhao@gongboshi.com
• Phone: +8615000725058
• Website:https://www.shgongboshi.com/

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