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Temperature Products and Tools

  • Product Type: 644series
  • Place of origin:
  • Model No: 644series
  • Price Terms:
  • Payment Terms:
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  • Minimum Order:
  • Delivery Time: 10-12weeks
  • Brand Name: Rosemount
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Products Information

Rosemount 644 HART Transmitters
HART head mount and field mount
 Single or Dual sensor inputs for RTD, Thermocouple, mV and Ohm
 DIN A Head mount and Field mount transmitters
 SIL3 Capable: IEC 61508 certified by an accredited 3rd party agency for use in safety
instrumented systems up to SIL 3 [Minimum requirement of single use (1oo1) for SIL 2 and
redundant use (1oo2) for SIL 3]
 LCD display
 Enhanced display with Local Operator Interface
 Integral Transient Protection
 Diagnostic Suite
 Enhanced accuracy and stability
 Transmitter-Sensor Matching with Callendar Van Dusen constants
HART rail mount
 Single sensor input for RTD, Thermocouple, mV and Ohm
 Custom alarm and saturation levels
 Transmitter-Sensor Matching with Callendar Van Dusen constants
 Hardware alarm switch
Rosemount 644 PROFIBUS PA
 Single sensor input for RTD, Thermocouple, mV and Ohm
 DIN A Head mount transmitter
 Standard function blocks: 1 physical, 1 Transducer, and 1 Analog Out
 LCD Display
 Compliant to PROFIBUS PA Profile 3.02
 Transmitter-Sensor Matching with Callendar Van Dusen constants
Easy to use human-centered designs to make your job simple
 Diagnostic information and process health at your finger tips with intuitive Device Dashboards.
 Communication clips are easily accessible when an LCD display is attached.
 Easy wiring practices with captive sensor screw terminals, an optimized wiring diagram, and field mount enclosure option.
Optimize plant efficiency and increase visibility into the process with an expansive diagnostic offering
 Keep your process up and running with the Hot Backup™ feature where if your primary sensor fails, a second sensor seamlessly
takes over and prevents the measurement failure.
 Tighten control with Sensor Drift Alert that detects drifting sensors and pro-actively notifies the user.
 Enable predictive maintenance practices with Thermocouple Degradation Diagnostic that monitors the health of the
thermocouple loop.
 Improve quality with Minimum and Maximum Temperature Tracking that records temperature extremes of the process and the ambient environment.





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