New Rosemounte 644 Temperature Transmitter Pt100 4-20ma Hart

Temperature Instruments
June 24, 2025
Category Connection: Temperature Instruments
Brief: Discover the Rosemount 644 Smart Temperature Transmitter, a high-accuracy device designed for critical control applications. Featuring HART/4-20mA, FOUNDATION fieldbus, and Profibus PA protocols, it ensures reliable performance in harsh environments. Perfect for industrial use with flexible mounting options.
Related Product Features:
  • High-accuracy Rosemount 644 temperature transmitter for critical control applications.
  • Available in HART/4-20mA, FOUNDATION fieldbus, or Profibus PA protocols.
  • Flexible mounting options include DIN A or Rail Mount styles.
  • Integral LCD display for local temperature and diagnostics monitoring.
  • Transmitter-Sensor Matching improves accuracy by up to 75%.
  • Meets NAMUR NE 21, NE 43, and NE 89 recommendations for harsh environments.
  • Compact rail mount design ideal for tight control room spaces.
  • 12-month warranty with OEM and ODM customization support.
Faqs:
  • What communication protocols does the Rosemount 644 support?
    The Rosemount 644 supports HART/4-20mA, FOUNDATION fieldbus, and Profibus PA protocols for versatile industrial communication.
  • How does Transmitter-Sensor Matching improve accuracy?
    By entering the temperature-resistance profile specific to the RTD sensor, the Rosemount 644 eliminates sensor interchangeability errors, improving accuracy by up to 75%.
  • What are the mounting options for the Rosemount 644?
    The Rosemount 644 offers flexible mounting options, including DIN A style head mount for remote mounting and compact rail mount for tight control room spaces.