Rosemount 644 Temperature Transmitter
Rosemount 644 Temperature Transmitter, a versatile device available with HART, FOUNDATION Fieldbus, or PROFIBUS protocols. Supporting head, field, or rail mount configurations, it features dual sensor capability, LCD display options, and advanced diagnostics including Hot Backup capability and sensor drift alert. Its transmitter-sensor matching improves accuracy by up to 75%.
Rosemount 644 Temperature Transmitter
The Rosemount 644 Temperature Transmitter is a versatile device designed for critical control applications. This advanced transmitter offers multiple mounting options and communication protocols to meet diverse temperature measurement needs.
Key Features
Advanced Technology
- Single and dual sensor input capability
- Universal sensor inputs (RTD, T/C, mV, ohms)
- Multiple protocol options (HART, FOUNDATION Fieldbus, PROFIBUS PA)
- Local Operator Interface (LOI) option
- Advanced diagnostic capabilities
Performance Excellence
- Input/output isolation: 500 VAC rms
- Power supply: 12.0 to 42.4 VDC
- Transmitter-sensor matching capability
- SIL 2/3 certification to IEC 61508
- Hot Backup functionality
Technical Specifications
Parameter | Specification |
---|---|
Mounting Options | DIN A head mount, field mount, rail mount |
Output Signal | 4-20 mA with HART, FOUNDATION Fieldbus, or PROFIBUS PA |
Display Options | LCD Display, LCD with LOI, or LED |
Input Types | RTD, T/C, mV, ohms |
Diagnostics | Hot Backup, sensor drift alert, thermocouple degradation |
Applications
Process Industries
- Critical control applications
- Temperature monitoring
- Process environments
- Safety instrumented systems
- Chemical processing
Technical Documentation
Unlock superior temperature measurement potential with the Rosemount 644 Temperature Transmitter, delivering unmatched versatility and precision in demanding environments. When seeking expertise in Temperature Transmitters, Transmitters, and Rosemount products, choose scs-instrument as your trusted partner. We specialize in providing certified, factory-new instrumentation to maximize your operational efficiency. Connect with our measurement specialists to discover how this advanced solution can revolutionize your temperature control processes.
Brand
Rosemount

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