Wall-mounted Portable Formaldehyde CO2 Tester Indoor Temperature Hygrometer Air Quality Monitor CO2 TVOC HCHO Tester

Description Temperature and humidity display using high precision temperature and humidity sensor detection real time display of values temperature display 0 40°C 32 9°F humidity display 20 95 error ±5 CO2 concentration display Use a high precision carbon dioxide sensor to detect and display the CO2 concentration value in real time the display concentration value range is 400 6000ppm TVOC concentration display use high precision TVOC sensor to detect and display the value in real time the display range of TVOC concentration value is 0 2mg m HCHO concentration display use high precision HCHO sensor to detect and display the value in real time the display range of HCHO concentration value is 0 1 mg m³CO2 concentration level display and alarm prompt according to the value detected by the CO2 sensor different colors are used to display the concentration level allowing consumers to experience intuitively specific correspondenceas follows 400 to 800ppm green display excellent 801 to 1200ppm yellow display general 1201 to 2000ppm orange display poor 2001 to 6000ppm red display severely exceeded When the value of CO2 concentration is higher than 800ppm the product will continuously dip dip dip alarm prompt to remind consumers that the CO2 concentration has begun to exceed the standard the alarm prompt can be turned on or off according to the needs of consumption Package included 1 x CO2 Tester