📊 CEM Accurate PM2.5 Multifunctional Recording Tester Review

【INDUSTRIAL PRODUCTION STANDARDS:】From design to production is seamless control, truly every detail is industrial-grade standard, just to give you a safe and secure experience. On PM2.5 testing , the innovative design and algorithm, greatly reduce the cost of the tester, and reach international advanced nature of indicators of similar products . 【HIGH PRECISION SENSOR:】 Machine equipped with high precision laser sensor can accurately reflect air quality quickly, test, no drop of enthusiasm. 【2.4INCH TFT COLOR SCREEN:】HD display with wide color gamut color display, Even in the night can clearly read ,concise appearance, with the match is more simple operation .full body one-button design, not only can display test data, but also a key to switch to time mode. 【WIDE APPLICATION:】 CEM indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compound(TVOC), Particle Matter(PM2.5/PM10). Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,alcohol,glue,paint,ink and others.Monitoring air pollutant source from dust, petrochemical indu. 【ONE YEAR WARRANTY:】 It is recommend to close the door and window when test indoor; It is need around 60 minutes for testing formaldehyde TVOC CO2 (It is just need around 3-15 minutes for testing Cabinet, drawer etc small space.). We offer 30 days return for free replacement and full refund and 12 month quality warranty.