Overview: - SDS011 using laser detection principle, can be 0.3 to 10 microns in the air suspended particulate concentration, data is stable and reliable; built-in fan, digital output, high integration Working principle: - The use of laser scattering principle: When the laser beam through the detection of particulate matter will produce weak light scattering, in a particular direction of the light scattering waveform and the particle diameter, through the different particle size of the waveform statistics and conversion formula can be different particles Diameter real-time particle number concentration, according to the calibration method with the official unit of uniform mass concentration. Specifications: 1. Measurement output: PM2.5, PM10 2. Measuring range: PM2.5: 0.0-999.9μg / m3  PM10: 0.0-1999.9 μg / m3 3. Rated voltage: 5V 4. Rated current: 70mA ± 10mA 5. Temperature range: storage environment: -20 ~ +60 a?? 6. Working environment: -10 ~ +50 a?? 7. Humidity range: Storage environment: up to 90% 8. Working environment: up to 70% 9. The work of atmospheric pressure: 86KPa ~ 110KPa 10. Response time: 1s 11. Serial number out of frequency: 1Hz 12. The smallest particle size: 0.3μm 13. Relative error: ± 15% and ± 10μg / m3 maximum - 25a, 50% RH 14. Product size: about 71x70x23mm/2.79*2.75*0.9in Power requirements: 1. Power supply voltage: 4.7 ~ 5.3V 2. Power supply: more than 1W (current greater than 200mA) 3. Supply voltage ripple less than 20mV Package Contents: 1×SDS011 drawing test software 1×USB to TTL module 1× data cable
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