Dust sensors, as an important component of modern environmental monitoring and industrial automation, play a crucial role in accurately measuring the concentration of dust in the air.

Application

    At construction sites, it can monitor particulate matter generated during construction, ensuring the health of workers and surrounding residents.

    In agriculture, it can monitor dust levels in soil and air, promoting better crop growth.

    In industrial production, dust concentration sensors not only monitor dust concentration in the production environment in real time to monitor and control dust emissions during the production process, ensuring workplace safety and cleanliness.

    In the environmental protection field, dust sensors are crucial equipment for assessing air quality and issuing environmental reports, providing scientific basis for government environmental policy formulation and professional support for smart home environmental monitoring.

Common Dust Sensor Type

    Common dust sensors on the market are mainly divided into two categories: infrared dust sensors and laser dust sensors.

TX940-D061 Laser Dust Sensor

TZH03 Infrared Dust Sensor

What is the difference between both?

    Infrared Dust Sensors

    Infrared dust sensors use an infrared light source and a photodetector to detect particulate matter in the air.

    When particles pass through an infrared beam, they absorb or scatter the infrared light, causing a change in the intensity of the light received by the detector. By analyzing this change, the sensor can estimate the concentration of the particles. Infrared sensors are advantageous due to their lower cost, but may not be sensitive enough to certain types of particles and are generally used for graded displays and low-end digital display solutions.

    Laser Dust Sensors

    Laser dust sensors use a laser as a light source, offering higher resolution and sensitivity.

    When a laser beam passes through the air, particles scatter the laser light, producing scattered light. This scattered light is captured by a photodetector. By analyzing the intensity and angle of the scattered light, the sensor can more accurately measure the size and concentration of particles. Laser dust sensors have a fan, resulting in relatively stable airflow and high data accuracy. They are mainly used in dust detectors, air purifiers, fresh air systems, smart homes, and air conditioning systems.

    Dust sensors play a vital role in monitoring and improving indoor and outdoor air quality in fields such as environmental monitoring, industrial production, and smart homes. Technological advancements are driving the continuous development of dust sensors towards intelligence and integration, providing greater protection for people's health. If you have further needs for dust sensors, please feel free to contact us:

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