Dust Sensor Module for Air Quality Monitor - DSM501A

• Supply voltage​: DC5V±10%​
• Power consumption​: 90mA​
• Operating temperature range​: -10~ +65°C​
• Operating humidity range​: 95%RH or less (without dew condensation)​
• PWM output
• Easy installation
• Single power supply
• Compact size and lightweight

  • Model Number: DSM501A
  • Data Sheet: Date Sheet File
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  • Dust Sensor Module for Air Quality Monitor
  • Dust Sensor Module for Air Quality Monitor
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Product Specification

DSM501A Dust Sensor Module Description

Dust Sensor Module: DSM501 series detects the level of indoor airborne dust, particles, and pollen, and ideal for use in stand-alone air cleaner or IAQ monitor. PWM output of the sensor can be directly connected to μ-com to control fan speed or ventilation and also to display the level of particles. Detectable size of particle is limited to minimum 0.7 μm, and the application for smoke or fire alarm is prohibited.

DSM501A Dust Sensor Module Type:

DSM501A : 2mm pitch connector type (20010WR-05).
DSM501B : 2.5mm pitch connector type (S5B-EH).

DSM501A Dust Sensor Module Electrical characteristics:

Supply voltage
Power consumption
Operating temperature range
-10~ +65°C
Operating humidity range
95%RH or less (without dew condensation)
Recommend storage condition
-20~ +80°C
W59 * H45 * D20 (mm)
Detectable particle size
approx. 1um (minimum)
Detectable range of concentration
0 ~ 1.4mg/m3
Output signal
PWM (pulse width modulation)
Time for stabilization
1 minute after power turned on
Sensor characteristics

To be maintained in between the upper limit and 

lower limit of the standard dust sensor unit

DSM501A Dust Sensor Module Features : 

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

DSM501A Dust Sensor Module Application: 

• Ventilator etc 
• Air conditioner 
• Air quality monitor 
• Air cleaner or Air purifier

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