... sieves,Moving distance from up to down is 4cm;shaking speed is 30n times/min. STTJL-100 Soil aggregate Analysis MeterSpecification ... sieves,Moving distance from up to down is 4cm;shaking speed is 30n times/min.3.bucket:8pcs,Dia.31.5x15 ... ,1,0.5,0.25mm STTJL-100 Soil aggregate Analysis Meter