Dc 5V Digital Usb Led Pm25 Air Quality Detector Module Optical Dust Sensor

Description : This product uses three digital tube display with a range of 0-999. This product adopts SHARP optical dust sensor which features low current consumption and high sensitivity of 0.5V/0.1mg/m3. Features : LED digital display, convenient for clear readings. Range : 0 999, sensitivity : 0.5V/0.1mg/m3. With Micro USB interface, powered by DC 5V. Compensation setting function, numerical range : -50 50. Three LED indicators, indicating the surrounding environment. Indicator Instruction : When the value is less than 150, the green D2 light turns on, the surrounding environment is relatively healthy When the value is greater than 200 and less than 400, the yellow D1 light turns on, the surrounding environment is moderate pollution When the value is greater than 400 less than 700, the red D3 light turns on, the surrounding environment is severe pollution When the value is greater than 800, all light turns on, the surrounding environment is serious pollution. Specifications : Displa Lees meer over de Dc 5V Digital Usb Led Pm25 Air Quality Detector Module Optical Dust Sensor van huismerk in de productgroep elektronica