Overview:

The dust sensor module DSM501A (Datasheet) 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.

The DSM501A consists of:

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

Features:

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

Application:

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