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This handheld PM2.5 detector is a special detection instrument for measuring PM2.5 (particulate matter that can enter the lung) and PM10 (particulate matter that can be inhaled) in the air. It is based on the international advanced high sensitivity micro laser sensor technology development, and it is a high-tech product integrating aerodynamics, digital signal processing and opto-mechatronics. The instrument has the characteristics of high precision, stable performance, strong functionality, simple operation and large capacity data storage. CW-HAT200 （ S ） handheld PM2.5 detector can be widely applied to the determination of public environment and atmospheric environment, and also used for the evaluation and analysis of the purification efficiency of air purifiers. It has up to 500 sets of measurement data storage, which can be high-speed download through USB interface.

CW-HAT200 （S ）