Rosemount 644 Temperature Transmitter
Part no.
Rosemount-644-Temperature-Transmitter
The Rosemount 644 Temperature Transmitter is a versatile and industry-standard temperature transmitter designed for accurate and reliable temperature measurement in process, marine, offshore, and industrial applications.
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Technical Specifications
| Specification | Details |
|---|---|
| Product | Rosemount 644 |
| Type | Temperature Transmitter |
| Manufacturer | Emerson Rosemount |
| Mounting Options | DIN A Head Mount or Rail Mount |
| Input Types | RTD, Thermocouple (T/C), mV, Ohms |
| Sensor Capability | Single or Dual Sensor |
| Output Signals | 4-20 mA HART™, FOUNDATION™ Fieldbus, PROFIBUS™ PA |
| Display Options | LCD, LCD with LOI, LED |
| Diagnostics | Hot Backup™, Sensor Drift Alert, Thermocouple Degradation, Min/Max Tracking |
| Calibration Options | Transmitter-Sensor Matching, 5-Point Calibration |
| Functional Safety | SIL 2 / SIL 3 Certified |
| Approvals | Hazardous Area, Marine Type Approvals |
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