Automatic field microclimate observer (referred to as agricultural weather station or agricultural automatic weather station) is a multi-element automatic weather station specially developed and produced for field microclimate observation and plant protection system research. It can measure wind direction, wind speed, temperature, humidity, dew point, pressure, rainfall, photosynthetic radiation, sunshine hours and other conventional meteorological elements. Other measuring components can also be customized according to user requirements. It has the characteristics of stable performance, high detection precision and unattended, and can meet the requirements of field meteorological observation.