This carbon dioxide meter from SISCO combines CO2 detection and smoke alarm in one and can be used for air quality monitoring with a detection range from 400 to 5000 ppm. In addition, it can also provide real-time temperature and humidity data, allowing for full knowledge of your surroundings. Keep in mind when you purchase the unit you have to calibrate it first. And we’re here to help you with that. In this video, we’re gonna show you how to calibrate our CO2 meter.