Rosemount 644 Temperature Transmitter
Versatile temperature transmitter delivers field reliability and advanced accuracy to meet demanding process needs

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• DIN A style Head Mount transmitter or Rail Mount transmitter
• Variety of DIN A enclosure options
• Single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms)
• HART / 4-20 mA, FOUNDATION fieldbus or Profibus PA protocols
• Transmitter-Sensor Matching with Callendar-Van Dusen
• LCD display