MTL4544 Signal Conditioner – HART & 4-20mA Isolator

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September 02, 2025
Category Connection: MTL Instruments
Brief: Discover the MTL4544 Signal Conditioner, a versatile HART & 4-20mA isolator designed for hazardous areas. This unit energizes transmitters and repeats current for safe-area loads, supporting bi-directional digital communication. Ideal for process control and factory automation.
Related Product Features:
  • Supports two conventional 2-wire or 3-wire 4/20mA or HART transmitters in hazardous areas.
  • Repeats current to drive two safe-area loads with bi-directional digital communication.
  • Acts as a current sink for safe-area connections with the MTLx544S variant.
  • Input range of 0-24mA (4-20mA nominal) and output range of 4-20mA (0-24mA over-range).
  • High accuracy of ±15μA at 20°C and fast response time of 50μs to 90% value.
  • Load capacity of 450Ω @ 20mA and powered by 24V DC (16.5V transmitter voltage).
  • Designed for efficient communication and data transmission in hazardous environments.
  • Enhances production efficiency and workplace safety with reliable signal conditioning.
Faqs:
  • Does the MTL4544 support HART communication?
    Yes, the MTL4544 supports bi-directional transmission of digital HART communication signals superimposed on the 4/20mA loop current.
  • What is the load capacity of the MTL4544?
    The MTL4544 has a load capacity of 450Ω @ 20mA, ensuring reliable performance in various applications.
  • Can the MTL4544 be used with 4-wire transmitters?
    Yes, separately powered current sources like 4-wire transmitters can be connected, but they will not support HART communication.