The standard combined scale uses high-speed spring-free hopper, a new spring-free aluminum shell design structure, weighing more stable and fast. Integrative welding of mouthpiece case and middle seat greatly enhances the strength of the machine. It is suitable for weighing granular materials such as melon seeds, peanuts, nuts, almonds, raisins, candies and pistachios. The 14 head combined scale has 1.6L and 2L hopper selection. The maximum weighing speed can reach 120 packs/minute, and the weighing speed is fast.