Techgrow mini co2 controller

Key features:

• Fully adjustable from 300ppm to 2000ppm.
• Built-in CO2, temperature and relative humidity sensor.
• The controller automatically switches between day and night mode due to the built-in light sensor.
• Displays current value and minimum/maximum values of CO2, temperature and humidity.
• The screen refreshes every second.
• Built-in calibration function to calibrate the CO2 sensor in fresh air or indoors.
• Built-in fan for optimal airflow. This ensures accurate and fast measurement.
• Indication LEDs for CO2 dosing and barn climate.
• Power failure memory for setpoint and hysteresis.
• Automatically turns off the display backlight after 60 seconds to save energy.