This machine is mainly used for graded analysis of non-cohesive and dry grain substance. According to foreign equivalent instruments features, this machine is of bench type, high frequency vibrating structure, features in small size, light weight, low noise and power consumption. It is suitable for doing analysis test of sand sieve with diameter less than or equivalent to 20mm but larger than 0.075mm. Normally, it is popular used in the field of soil,civil engineering,road,grain,light industry and other various industry material particles testing.