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Rosemounte 644 Smart Temperature Transmitter With High Accuracy At A Great Price

Temperature Instruments
June 24, 2025
Category Connection: Temperature Instruments
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Tags:
#20mA Explosion-Proof Temperature Transmitter #Explosion-proof Thermocouple Temperature Instruments #4mA Thermocouple Temperature Transmitter
Brief: Discover the Rosemount 644 Smart Temperature Transmitter, a high-accuracy solution for critical control applications. With versatile mounting options and advanced diagnostics, it ensures reliable performance in harsh environments. Ideal for PlantWeb integration, this transmitter offers unmatched flexibility and precision.
Related Product Features:
  • Supports HART, 4-20 mA, FOUNDATION fieldbus, or Profibus PA protocols for versatile communication.
  • Available in DIN A or Rail Mount styles to suit various installation needs.
  • Features an LCD display for easy local monitoring of temperature and diagnostics.
  • Includes Transmitter-Sensor Matching to improve accuracy by up to 75%.
  • Comes with a 3-Point Calibration Certificate for assured precision.
  • Offers assembly-to-sensor options for customized configurations.
  • Meets NAMUR NE 21, NE 43, and NE 89 recommendations for robust performance in harsh EMC environments.
  • Compact rail mount design fits perfectly in tight control room spaces.
Faqs:
  • What communication protocols does the Rosemount 644 Temperature Transmitter support?
    The transmitter supports HART, 4-20 mA, FOUNDATION fieldbus, and Profibus PA protocols for flexible integration into various systems.
  • How does Transmitter-Sensor Matching improve accuracy?
    By entering the temperature-resistance profile specific to the RTD sensor, the transmitter eliminates sensor interchangeability error, improving accuracy by up to 75%.
  • What are the mounting options for the Rosemount 644 Temperature Transmitter?
    It offers DIN A style head mount for remote mounting and compact rail mount for tight spaces, providing great flexibility for different installation requirements.
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