Note This version can t Transfer data to PC If you want to buy data transmission please click here ID 1615550Operating Instruction Click to openCO2 PM2 5 ID 1615633Specifications Material Acrylic Case Electronic ComponentsSize Approx 8 5x6 5x3 7cm 3 35x2 56x1 46 Processor For ARM 32 Bit ChipsFont color Multi ColorsScreen 2 8 TFTResolution Ratio 320x240Power Supply DC 5VOperation Current 1 2ATemperature Measure Range 20 to 60 ℃Accuracy ±0 1 ℃Language Version English Version Working Principle Multi angle La0ser Scattering Detection la0ser irradiation in the suspended particulate matter in the air and generate scattering Scattered light will be collected in a specified angle at the same time According to the scattering intensity time varying curves can be obtained through the sensor Being processed by the microcomputer processor equivalent particle diameters and the number of suspended particulate matter with different sizes in per unit volume can be obtained Features Acrylic clear case shell high transmittance to be looked through Built in for ARM 32 bit processor accurate detectionsystem fluency 2 8 TFT screen colorization display wide angle vision up to 180° High sensitivity sensor ensures the high accuracy in data collections Semi closing design performs excellent in heat radiation long life use Multipurpose in air quality detection in PM1 0 PM2 5 PM10 0 AQI temperaturehumidity suspended particulate matter Real time detec