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4 - 20 mA Output

The 4 – 20 mA current loop is widely used in industrial systems for signal transmission and control, such as in sensors, transducers, and actuators. COMET Transmitters can be used to measure Temperature, Relative Humidity, CO2, Pressure or combination with programmable 4 – 20mA output.

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The 4–20 mA current loop is preferred because it:

  • Allows fault detection (below 4 mA).
  • Maintains signal integrity over long distances.
  • Is immune to noise.
  • Ensures low power consumption and simplicity in design.

 

This standard is reliable, robust, and well-suited for harsh industrial environments.

Learn more about The Importance of the 4–20 mA Current Loop in Industrial Applications Here>>