2. CO2 Sensor CalibrationΒΆ

You can calibrate the sensor in the outdoors so it will set up its own lowest CO2 level to 400 ppm.

Procedure to start the calibration:

  1. Press and hold the button for 6 seconds (button is located next to the USB connector).

  2. Release the button.

  3. The LED will start to blink every 5 seconds.

  4. Place the Cooper outdoor to the fresh air.

  5. The complete calibration takes 72 minutes.

  6. Calibration is done when the LED stops blinking.