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    Infrared Dust Sensor Module for PM2.5/VOC

    Dust sensor module integrates infrared detection technology and uses the particle counting principle to detect PM2.5 in the environment. It can also be used as a VOC gas sensor with good stability, UART/PWM output, easy installation and use, and high sensitivity.
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    Delivery date: 6-12 days

    The infrared dust sensor module uses the particle counting principle to effectively measure PM2.5 levels in the surrounding environment. It is also a reliable VOC gas sensor with UART/PWM output, suitable for HVAC systems, air conditioners and smoke alarm systems.


    Model ATO-ZPH02
    Working Voltage Range 5±0.2V DC
    Output UART(9600, 1Hz±1%); PWM(Period: 1Hz±1%)
    Detection Ability VOC Formaldehyde (CH2O), Benzene (C6H6), Carbon Monoxide (CO), Hydrogen (H2), Ammonia(NH3), Alcohol (C2H5OH), Cigarette Smoke, Essence, etc.
    Detection Ability For Particle 1μm
    Warm-up Time ≤5min
    Working Current ≤150mA
    Humidity Range Storage ≤90%RH
    Working ≤90%RH
    Temperature Range Storage -20℃~50℃
    Working 0℃~50℃
    Size 59.5×44.5×17mm(LxWxH)
    Physical Interface EH2.54-5P Terminal Socket

    Dimension (Unit: mm)

    Dusrt sensor module dimension

    Tips: What is an infrared dust sensor module?

    An infrared dust sensor module is a specialized electronic device designed to detect and measure the concentration of particulate matter (PM) in the air using infrared light technology. These sensors are particularly adept at sensing fine particles, such as dust and smoke, that may be present in the atmosphere. The principle behind these sensors involves the interaction between infrared light and airborne particles.

    Infrared dust sensor modules typically consist of an infrared light-emitting diode (LED) and a photodetector. The LED emits infrared light, and as this light passes through the air, it scatters when it encounters particles. The photodetector then detects the scattered light, and the sensor module processes the signal to determine the concentration of particulate matter. The intensity of the scattered light is proportional to the concentration of particles in the air.

    These sensors are commonly used in air quality monitoring systems, HVAC (heating, ventilation, and air conditioning) systems, and other applications where measuring and controlling airborne particle levels is important. They provide real-time data on particulate pollution levels, helping to assess indoor and outdoor air quality, and enabling timely actions to mitigate potential health and environmental risks associated with elevated particulate matter concentrations.

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