This product is an update of the FSH-1 type. In addition to the original functions, it adopts a high-speed thyristor adjustment system. The photoelectric speed measurement adopts advanced electronic circuits, which provides a reliable basis for the research results. The panel display is clear, the reading is intuitive, and it is easy to use. It is widely used in the crushing of various plant pulp, animal meat, liver, etc., and provides ideal for cell analysis. The quality of the substance has reached the advanced level of similar foreign products.