Table 1: Characteristic of PM sensors used in the research.

Sensor modelSDS011ZH03APMS7003OPC-N2

ManufacturerNova FitnessWinsenPlantowerAlphasense
Approximate price ($)202020500
Dimensions (mm)71 × 70 × 2350 × 32.4 × 2148 × 37 × 1275 × 63.5 × 60
Approximate weight (g)503030105
Power supply voltage (V)54.5–5.54.5–5.54.8–5.2
Working current (mA)22070–140≤100175
Detectable size range (μm)0.3–100.3–100.3–100.38–17
Size binsNot availableNot available6 size bins16 size bins
Estimated PMx concentrationPM2.5, PM10PM1, PM2.5, and PM10PM1, PM2.5, and PM10PM1, PM2.5, and PM10
Concentration range (μg/m3)0–999.90–1000 (for PM2.5)Effective range: 0–500 Maximum range: above 1000 (for PM2.5)0.01–1500·103 (for PM10)