The automatic rainfall monitor can be widely used in applications such as meteorology, agriculture, industrial automation engineering, intelligent building systems, workshops, warehouses, museums, laboratories, greenhouses, etc. 

The rainfall monitor is built-in or connected to various imported original sensors, uses a micro-power single-chip microcomputer to sample external data, and saves the collected data in the system's non-volatile memory. It can communicate with personal computer through RS-232 or USB interface. The user can download the data stored in the rainfall monitor, and analyze and print the data.