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644 Temperature Control With Lcd Display Temperature Transmitter

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 New Rosemount 644 Temperature Transmitter with Pt100 4-20mA HART, designed for precise control applications. Featuring an LCD display, advanced diagnostics, and multiple mounting options, this transmitter ensures accuracy and reliability in harsh environments. Perfect for industrial use with HART, FOUNDATION fieldbus, or Profibus PA protocols.
Related Product Features:
  • Highly accurate temperature transmitter with 4-20mA/HART or FOUNDATION fieldbus output.
  • Supports multiple sensor inputs: RTD, thermocouple, millivolt, or ohm.
  • Integral LCD display for local temperature measurement and diagnostics.
  • Transmitter-sensor matching improves accuracy by up to 75%.
  • Meets NAMUR NE 21, NE 43, and NE 89 recommendations for harsh EMC environments.
  • Flexible mounting options: DIN A style head mount or compact rail mount.
  • Configurable with HART, FOUNDATION fieldbus, or Profibus PA protocols.
  • 12-month warranty with OEM and ODM customization support.
Faqs:
  • What types of sensor inputs does the Rosemount 644 Temperature Transmitter support?
    The transmitter supports RTD, thermocouple, millivolt, or ohm sensor inputs.
  • 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 mounting options are available for the Rosemount 644 Temperature Transmitter?
    The transmitter offers DIN A style head mount for remote mounting or compact rail mount for tight spaces in control rooms.
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