Sailhero XHPM2001 Portable PM Monitor is designed according to the principle of β-ray absorption, which can monitor TSP, PM₁₀, PM_2.5 and PM_1. Its characteristics include small size and light weight. It is especially suitable for outdoor flying dust quality monitoring, all-weather real-time or periodic online monitoring; The number and scope of monitoring can be expanded by configuring mobile particulate matter detectors, and the workload of patrol personnel can be reduced. Finally the data can be transmitted to the central station through wireless communication.