About this item

• FINE PARTICLE DUST LEVEL -- Laser air quality sensor can measure indoor dust level in real time. 6-channel tiny particle number detection (Number of particles/liter)--PM0.3, PM0.5, PM1.0, PM2.5, PM5.0, PM10; 3-channel particulate matters quality detection (μg/m³)--PM1.0, PM2.5, PM10
• CO2 SENSOR & HCHO SENSOR -- NDIR Non-Spectral Infrared CO2 Carbon Dioxide Sensor with self-calibration, Absorption chamber Optical Coating; Electrochemical formaldehyde HCHO sensor with automatic calibration, double platinum catalytic electrode, strong anti-interference ability
• TVOC CHEMICAL POLLUTION -- Semiconductor TVOC VOCmeter can test a variety of volatile organic compounds TVOC VOC, such as benzene, toluene, xylene, aromatic hydrocarbons, aldehydes, hydrogen sulfide etc., captures the change in molecular concentration of organic compounds at the thousandth level
• DATA LOGGING UPGTADE -- Portable handheld Smart air quality monitor indoor: Support data storage and export of all 12 testing items, with date and time, frequency: once every 1 minute. MAX storage capacity can be expanded to 8G, which can store up to 400 days of records
• PROFESSIONAL & ORIGINAL-- air quality alarm base on US standard; 2200 mAh rechargeable lithium battery; stereo air convection sampling and active air interactive system; Silent fan without noise; Anti-fall PE soft shell