PM2.5 PM10 High Precision Air Particle Concentration Laser Dust Detection Sensor SDS011

Features: Accurate and Reliable: laser detection, stable, good consistency. Quick response: data update frequency 1Hz. Easy integration: serial output, built in fan. High resolution: resolution of 0.3ug m3. Convenient use, easy installation, and small volume. Specific ations: Material: Plastic Condition: 100percent brand new and high quality Weight: 60g Technical Param ete rs: NO. Item Parameter 1 Measuring output PM2.5, PM10 2 Range PM2.5: 0.0 999.9μg m3 PM10: 0.0 1999.9μg m3 3 Rated voltage 5V 4 Rated current 70mA+ 10mA 5 Sleep current <4mA 6 Temperature range Storage environment: 20 celsius +60 celsius Operation environment: 10

celsius

+50

celsius 7 Humidity range Storage environment: Max.90percent Operation environment: Max.70percent 8 Working atmosphere pressure 86KPa 110KPa 9 Response time 1s 10 Serial data output frequency 1Hz 11 Min. particle diameter resolution Less than 0.3um 12 Counting efficiency 70percent @0.3μm 98percent @0.5 μm 13 Relative error + 15percent and + 10μg m3 maximum(25

celsius , 50percent RH) 14 Power supply voltage 4.7 5.3V 15 Power supply power

more than 1W(current more than 200mA) 16 Power supply voltage ripple

less than 20mV 17 Product size Approx. 70 x 70 x 22mm 2.75 x 2.75 x 0.86inch Interface specification: Pin Name Note 1 NC Empty 2 1um PM2.5: 0 999 PWM Output 3 5V 5V power input 4 2.5μm PM10: 0 999 PWM Output 5 GND GND 6 R Serial port receiver RX, TTL level @ 3.3V 7 T Serial port transmission TX, TTL level @ 3.3V Note: The pitch of Interface is 2.54mm Communication protocol: Serial communication protocol: 9600 8N1. (Rate of 9600, data bits 8, parity none, stop bits 1) Serial report communication cycle: 1+0.5 seconds Data frame (10 bytes): message header + order+ data(6 bytes) + checksum + message trailer The number of bytes Name Content 0 message header AA 1 order C0 2 data 1 PM2.5 low byte 3 data 2 PM2.5 high byte 4 data 3 PM10 low byte 5 data 4 PM10 high byte 6 data 5 ID byte 1 7 data 6 ID byte 2 8 checksum checksum 9 message trailer AB Checksum: data 1 + data 2 + ...+ data 6 PM2.5 data content: PM2.5 (um m3) = ((PM2.5 high byte*256 ) + PM2.5 low byte) 10 PM10 data content: PM10 (um m3) = ((PM10 high byte*256 ) + PM10 low byte) 10 The low byte and high byte of SN are the last four of the bar code on the sensor. PWM output: Output range: PM2.5: 0 999μg m3, PM10: 0 999μg m3 Cycle: 1004ms +1percent High level output in start cycle: 2ms Middle cycle: 1000ms +1percent Low level output in end cycle: 2ms Package List 1 x Laser Dust Sensor 1 x USB To TTL Module 1 x Cable Note:

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