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Green for Health: Introducing the New ES-20 and ES-20D Sensors

23. 01. 2026

The ES-20 and ES-20D devices expand the capabilities of Codaco systems. In addition to accurate measurement, these new units offer simple and clear air quality signaling.

The sensors measure ambient air temperature, relative humidity, CO₂ concentration, and the Air Quality Index. The air quality status is indicated by an LED traffic light system that lights up green, orange, or red. This provides a complete overview of the environment, allowing for an immediate response to deteriorating conditions.

Traffic lights ES-20
cidlo-2

Key Advantages of ES-20 and ES-20D

  • Measurement of quantities: temperature, relative humidity, CO₂ concentration, Air Quality Index
  • LED traffic light: green, orange, red
  • Display of values: on the ST-20 display or on the integrated display (for ES-20D)
  • Connectivity options: via USB-C (wired) or BT (wireless)
  • Simple control: option to turn LED indication on/off using a service button
  • Ability to monitor selected indices and quickly check if values are within limits

What’s Coming Next?

Our development team is already working on further features that will take environmental quality control to an even higher level:

  • Storage and display of measured data history
  • Connection to the Codaco circular bus
  • Compatibility with the new HCW-5 wireless system
  • Easier configuration options for ES-20 and ES-20D
Do you want to ensure a healthy and safe environment in your facilities? Contact us, and together we will design a tailored solution.

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