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FabLab - Smart Citizen Kit V2.1

General Description

The Smart Citizen Kit V2.1 (SCK 2.1) sensor provides real-time measurements of PM1.0, PM2.5 and PM10 mass concentrations, volatile organic compound and equivalent carbon dioxide measurements. The sensor also provides temperature, relative humidity, pressure, noise level and ambient light measurements.

Principle of Operation

The SCK 2.1 sensor uses a Plantower PMS5003 laser particle counter, where laser beams detect particles going past by their reflectivity. These sensors count suspended particles in sizes of 0.3, 0.5, 1.0, 2.5, 5.0 and 10 µm. These particle counts are processed by the sensor using a complex algorithm to calculate the PM1.0, PM2.5 & PM10 mass in µg/m3. PMS5003 sensors come factory calibrated.


  • Dimensions: 60 x 20 x 20 mm
  • Weight: 65 g
  • Battery: Yes (3.7V 2000mAh Lithium ion)
  • Power supply: Yes (micro USB charging cable)
  • Sensor lifetime: N/A
  • Clock function: no
  • Sampling mechanism: Fan
  • Environmental operating conditions: N/A
  • Internal data logging: Yes (micro SD card)
  • Data communication: WiFi
  • Data logging: Cloud software and micro SD card
  • Data visualization: Cloud software
  • Weather proof: No (optional housing for purchase, not tested)


  • Ambient air monitoring
  • Citizen Science/local communities
  • Education
  • Research

Manufacturer's product webpage

    South Coast Air Quality Management District

    21865 Copley Dr, Diamond Bar, CA 91765



    © 2024 South Coast Air Quality Management District