BRWISSEN Air Quality Monitor Indoor AQI Dust Meter Pollution Tester Particle Counter (PM+TVOC+HCHO+CO2)

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About This Accurate Measurement: Laser particle sensor detects particles as small as 0.3 microns, pm0.3 ,pm0.5, pm1.0 , pm2.5, pm5.0 , pm10 Automatic sensor calibration: Electroche mical formaldehyde HCHO sensor. semiconductor TVOC sensor, indoor air quality meter can accurately measure a variety of chemistry pollution volatile organic compounds TVOC VOCs, such as benzene, toluene, xylene, aromatic hydrocarbons, aldehydes, hydrogen sulfide etc., Data Storage: 100000+ sets of data storage, (1 minute each), and data can be exported via a card reader Wide Applications: Measuring particulate matter, TVOCs, formaldehyde, and CO2. Ideal for home and office environment monitoring, air quality testing, and ventilation system debugging Automatic photosensitive energy saving: Automatic photosensitive energy saving Show more