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History preservation 3.5 inch LED LCD screen display Celsius and Fahrenheit switch between temperature units CO2 technology:infrared (NDIR) PM2.5 sensor technology: laser scattering Temperature and humidity sensor LCD screen display 24-hour real-timemonitoring. Detection range: AQI(0-500) PM2.5 (0-999 ug/M³)CO2 (400-5000 ppm) Power supply: 3000mah rechargeable lithium battery, including USB charging cable Material: ABS Product size: 150 * 74 * 82 mm Include: main unit + manual + charging cable CO2 sensor module: German Hyman sensor Chip: Arterytel | |
Size | Product size: 145*78*97.2mm Packing size: 187*115*103mm |
Function | [Optical gas concentration measurement method & eight detection functions] The high-precision carbon dioxide display is equipped with a professional non-dispersive infrared absorption principle (NDIR) sensor to measure the gas concentration in the absorption wavelength range using gas. Achieve high-precision CO2 measurement. Alarm clock system, anti-interference, air convection technology, greenhouse compensation correction, temperature, humidity measurement and other functions, keep healthy at any time! Not only can it measure carbon dioxide, but also the test results of various parts such as temperature and humidity can be confirmed at a glance! [Small size] Small size, light weight and easy to carry. It can be installed in various places such as restaurants, event venues, warehouses, commercial facilities, homes, nurseries, hospitals, nurseries, schools, welfare facilities, etc. that are easy to compact! The carbon dioxide concentration meter has passed the Electrical Appliance Safety Act (PSE) Certification. If you have any questions, please feel free to contact us. |

















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