Portable Digital CO2 Meter CO2 Monitor Detector HT-2000 Gas Analyzer 9999ppm CO2 Analyzers Temperature Relative Humidity Test

It's used for measuring Carbon Dioxide concentration, temperature, humidity, dew point temperature and wet bulb temperature Too much Carbon Dioxide indoor will easy cause tired, not concentration, even cause sick building syndrom. A good indoor environment will be benifit to body health and also improve body immunity, reduce the disease rate Carbon dioxide meter also has important function in agriculture, such as vegetable greenhouse