Gradimeter Feature 2020 is a familiar product for old users and customers of Fannavarane Madarpardaze Arta Novin company. This product, which is the oldest product of the company, has a control unit that, through this unit and a software menu, provides significant features to users. Feature 2020 is offered to valued customers in the form of a single-axis gradimeter (two sensors). Due to its minimum price but competitive and sometimes superior features compared to imported and foreign samples, Feature 2020 is one of the best-selling products of Fannavarane Madarpardaze Arta Novin company.