Carbon dioxide concentration meter portable CO2 measuring co2 city gas temperature test range ppm alarm function measuring instrument YF-531G, device,

---------------------------------------------------------------------- Triple CO2 Detector: This CO2 meter has the ability to accurately measure CO2 concentration.At the same time, it is also an instrument that can measure temperature and humidity.Users can choose to switch between Celsius degrees and Fahrenheit degrees. Carbon dioxide concentration meter with a large test range: This YF-531 G has a large test range of carbon dioxide concentration: 0 ~ 10000 ppm. This makes it possible to meet measurements under various types of carbon dioxide environments. CO2 sensor with alarm function: Our products have alarm function. If CO 2 concentration ≧2000 ppm, the alarm will sound slowly. Sounds early when CO 2 concentration ≧5000 ppm Interesting display on gas alarm: user can understand the current carbon dioxide concentration and go through the numbers on the screen. Another method suitable for children and the elderly is to make rough judgments using four facial expression symbols and their corresponding colors. Versatile carbon dioxide concentration measuring instrument: Our products can be applied in a wide variety of environments, such as: bedrooms, offices, restaurants, classrooms, factories, hotels, etc. YF-531G Carbon dioxide detector A small carbon dioxide detector. An alarm will sound if the carbon dioxide concentration in the environment exceeds the standard value. It is a daily necessity!