Air Quality Monitor TVOC HCHO CO2 Air Analyzer Intelligent Digital Lcd Portable Home Formaldehyde Detector Tester

--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.