The dual slope electronic weighing scale consists of four high-precision resistance strain type weighing sensors, a sealed waterproof junction box, a weighing display instrument with a single-chip microprocessor, and a steel structure weighing scale platform. Suitable for ports, airports, mines, metallurgy, material warehouses, with fast weighing, intuitive and easy to read numbers, stable and reliable performance, and simple operation and maintenance. The system is equipped with high-performance weighing display instruments that can display gross weight, net weight, tare weight, and can automatically or manually remove tare weight. It has functions such as overload and underload display, automatic zero position maintenance, and printing records.