Sharp Sensors


Dust Sensors

Dust sensors also contain an IR emitter (LED) and a detector and are able to measure particle concentration in the air. The emitter and detector are arranged diagonally, with a slit in the middle where air can pass through. If no particle is in the slit, the detector receives almost no light from the emitter. As soon as particles penetrate into the slit, the light from the emitter is diffused and received by the detector. With increasing particle concentration, the amount of light which is received by the detector also increases, which will then be forwarded as an equivalent output voltage. The dust sensor can only detect a relative change of the particle concentration referenced to a calibration condition.

Sensitivity (mg/m³) Product Average Power Consumption (mA) Response Time (ms) Operating Temperature Range Operating Supply Voltage (V)
0.5 V / 0.1 GP2Y1010AU0F 11 0.28 -10 ~ +65 °C 4.5 – 5.5


  • Compact, thin package (46.0 × 30.0 × 17.6 mm)
  • Low consumption current (Icc: MAX. 20 mA)
  • The presence of dust can be detected by the photometry of only one pulse
  • Enable to distinguish smoke from house dust
  • Lead-free and RoHS directive complian


  • Detecting of dust in the air.
  • Air purifier, Air conditioner, Air monitor, etc.