In the natural environment, the normal level of carbon dioxide in the air is about 0.04% (400ppm), sometimes reaching 500ppm in large cities. When the room is empty, the concentration of carbon dioxide is typically 500 to 700ppm.

With the improvement of people’s living standards, more and more people begin to pay attention to the air quality of their living environment. Indoor climate plays a key role in health protection, as pathogens remain in rooms for hours at typical air exchange rates in residential and office buildings. An increase in fresh air supply is recommended. The WHO also indicates that CO2 monitoring helps to reduce the Risk of Covid-19 Transmission Indoors. To monitor and control the air quality, innovative CO2 sensors like MH-Z19C from Winsen provide precise, cost-effective, and space-saving solutions. It is widely used in CO2 monitors, air purifier, fresh air system, household air conditioner and HVAC systems. This sensor could also meet international standards like RESET and WELL. Recommended Products MH-Z19C CO2 sensor MH-Z19B MH-Z14A MH-Z19D

Education instrument is for schools and educational units to provide teaching services or scientific research instruments, which is widely used in teaching and scientific research units. In teaching practice,

With the rapid development of the economy and the improvement of people's living standards, people have more and more attention to intelligent agriculture and livestock industry. Greenhouse planting has been quickly promoted and applied and it also manifests in smart granary, incubator, soil CO2 detection and other aspects.