Air Quality Monitor Mini PM2.5 Best Indoor CO2 Air Quality Monitors of 2022 Features : Display screen: LED digital display Power supply: rechargeable battery Battery working time: 5 hours Battery capacity: 500mAh Measuring range: 0-999ug/m³ Resolution: 1ug/m³ Mini stone design, fashion and portable PM2.5 measurement, adopt laser sensor technology Built-in lithium battery, let you measure PM2.5 value at anytime and …

Co2 Meter Co2 Meter Monitor Carbon Dioxide Meter Co2 Indoor air quality Co2 meter can be used in below domestic and public places Home, office meeting room, school classroom, auditorium, hospital, hotel, library, gym, brewery, laboratory, shopping center, cafe, workshop, warehouse, greenhouse, etc Co2 Measurement: Sensing Method:Dual Channel NDIR(Non-dispersive Infrared) Measurement Range:400 to 5000ppm Accuracy :±(50PPM+5% of measured value) Warm-up …

CO2 Monitor| Air Quality Monitor for CO2, CO2 Meter, Temperature, Humidity Features: Adopt new generation of dual channel infrared gas sensor technology Temperature and Humidity measurement Real time display of CO2 concentration per cubic meter. Index exceeding reminder Dry/Wet/Comfortable icon display Built-in 1200mah lithium battery Specification: Measuring range :400 -5000 ppm Accuracy : ± (50ppm + 5% ) Product size …