SDS011 (Laser Dust/Air Quality Sensor Module)
This optical dust sensor can measure the air quality very accurately by measuring air particles or dust based on laser detection. This sensor is supplied with the accompanying cable and USB to serial converter to connect the sensor to a computer if needed.
Specifications:
- Voltage: 4.7 – 5.3V DC (5V DC with <20mV ripple advised)
- Power consumption: 70mA ±10mA (in operation), <4mA (laser and fan sleep mode)
- Measuring range: 0.0-999.9 μg/m3
- PM2.5 and PM10 output
- Lifetime laser diode: up to 8000 hours (with continuous operation*)
Description:
SDS011 is a professional laser dust sensor. Fan mounted on sensor automatically sucks air. Sensor uses laser light scattering principle to measure value of dust particles suspended in the air. Sensor provides high precision and reliable readings of PM2.5 and PM10 values. Any change in environment can be observed almost instantaneously – short respond time below 10 seconds. Sensor in standard mode reports reading with 1 second interval.
There are two ways to communicate with SDS011 sensor:
- digital out (UART)
- PWM signal (one for PM2.5 and one for PM10)
Package includes:
- SDS011 sensor
- cable
- USB-UART converter
Specification:
- Measured values: PM2.5, PM10
- Range: 0 – 999.9 μg /m³
- Supply voltage: 5V (4.7 – 5.3V)
- Power consumption (work): 70mA±10mA
- Power consumption (sleep mode laser & fan): < 4mA
- Storage temperature: -20 to +60C
- Work temperature: -10 to +50C
- Humidity (storage): Max. 90%
- Humidity (work): Max. 70% (condensation of water vapor falsify readings)
- Accuracy:
- 70% for 0.3μm
- 98% for 0.5μm
- Size: 71x70x23 mm
- Certification: CE, FCC, RoHS
Pinout:
- Pin 1 – not connected
- Pin 2 – PM2.5: 0-999μg/m³; PWM output
- Pin 3 – 5V
- Pin 4 – PM10: 0-999 μg/m³; PWM output
- Pin 5 – GND
- Pin 6 – RX UART (TTL) 3.3V
- Pin 7 – TX UART (TTL) 3.3V
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