Mobile CO2 sensor with USB cable for measuring air quality, Suitable for schools\/kindergartens, offices, conference or meeting rooms, and living spaces, In the event of a potentially dangerous CO2 concentration, the device issues a visual warning via the LED traffic light system, allowing ventilation to be optimized immediately and a healthy indoor climate to be created, Green threshold value: Up to 1,000 ppm CO2, hygienically acceptable, everything is fine! Orange threshold value: Up to 2,000 ppm CO2, hygienically noticeable, ventilation \u2013 good idea! Red threshold value: Over 2,000 ppm CO2, hygienically unacceptable, ventilation is an absolute must! When the red threshold value is reached, fresh air must be supplied and the stale air removed. Includes USB cable for easy commissioning, stand and non-slip pad included in delivery, alternative wall mounting is also possible, developed based on the Federal Environment Agency's recommendation for CO2 in indoor air in accordance with various guidelines.<\/p>\n
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