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Product Descriptions

The sensor protective cover, model AF02, has a unique inner cavity design that allows for negligible dead zone volume between the filter 

membrane and the sensor; The top is covered by a dust-proof and breathable filter film, and sealed with an O-ring using adhesive on the PCB 

to prevent water vapor, dust, coal smoke, particulate matter, and other pollutants from affecting the performance of the sensor.

After welding the sensor, the four pins of the protective cover can be clamped onto the PCB, and the protective cover and sensor can be 

combined into a compact entity, which can be directly connected to the device casing as independent accessories.

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