Abstract

A portable formaldehyde detector is designed for the detection of formaldehyde gas in the automobile. By using the gas sensor module to detect the change of the formaldehyde concentration in the air environment of the car, the current data change caused by the formaldehyde gas is processed by the single chip microcomputer to determine the formaldehyde concentration, combined with the communication protocols such as integrated circuit bus, display the results on the screen. The results of the laboratory test and in-car test show that the function of formaldehyde detection is accurate, reliable and easy to use.

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