Air Quality Monitor TVOC HCHO CO2 Analyzer Intelligent Digital Lcd Portable Black

Description

After the instrument data is stable, it can be used for testing. Formaldehyde TVOC detection needs 120 seconds to warm up and time after it is turned on. Doors and windows need to be closed for indoor detection. Formaldehyde TVOC detection time is about 60 minutes, and small spaces such as cabinets and drawers are about 3-15 minutes. Do not place the detector in an environment with high concentration of dust and high concentration of polluted gas for a long time.