Economical 0-5V 4-20mA RS485 Arduino Soil pH Sensor for Agriculture Soil Measurements

   Beijing Guoxinhuayuan Technology Co.,Ltd is a Hi-tech company of national disaster prevention and early warning with R&D, production, marketing, project implementation and after sales. We specialize in providing professional hydrological monitoring equipment and technical services, and have developed a series of flood warning system products with more than 50 patents and 60 software copyrights. Our product line includes monitoring products, communication products, early warning products and cloud platform,which apply the Internet of things, big data and other forward-looking technologies. And our products are covered all provinces in China and more than 50 countries overseas. We persist in managing ideas of Profession, Innovation, Sincerity and Persistence and principle of Sincere Service to aim to be top in early warning industry, support solutions of automation, intelligence, networking, information technology, wireless Internet, IOT industry to customer.     We are devoted to solving the flood disaster problems for human beings and becoming one of the famous international brands in the flood early-warning industry. Welcome to contact us.