-Working principle: NTC negative temperature coefficient thermistor principle to measure temperature, capacitance principle to measure relative humidity, MEMS principle to measure air pressure-Application industry: road, transportation system automatic weather station photovoltaic, solar hydrology building automation airport, wharf, port integration Among the various systems and solutions that require environmental data-Instrument features: Integrated weather sensor that only requires a cable to connect to the device; built-in data preprocessing, universal interface, and selectable output protocol; open Advantages such as communication protocols; suitable for all climatic areas, but also for solar automatic weather stations;