DSM501A Dust/Air Particulate Sensor

CreateLabz StoreSKU: 20-079


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The dust sensor module DSM501A is low cost,compact size for a particle density sensor. 

  • Quantitative particle measurement with the principle of particle counter.
  • FIne particle of which diameters are bigger than one micron could be detected with high sensitivity.
  • Inside heater realizes the self-air taking.
  • One control contact and two output contacts.
  • It can simple use for arduino

The DSM501A consists of:

  • Light Emitting Diode(LED) Lamp
  • Detector
  • Signal amplifier circuit
  • Output drive circuit 1
  • Output drive circuit 2
  • Heater


  • PWM output
  • Compact size and lightweight
  • Easy installation
  • 5v Single power supply


  • Air cleaner or Air purifier
  • Air condition
  • Air quality monitor
  • Ventilator etc.

Pinout of the connector:

Pin                     Description

1                          Input

2                          Vout 2

3                              VDC (5V)

4                              Vout 1

5                              GND

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