... 2.Shaking frame:allow 4 sets sieves,Moving distance from up to down is 4cm;shaking speed is 30n times/min ... . STTJL-100 Soil aggregate Analysis MeterSpecification:1.Motor:1/4 P2.Shaking ... frame:allow 4 sets sieves,Moving distance from up to down is 4cm;shaking speed is 30n times/min ... ,aperture 5,2,1,0.5,0.25mm STTJL-100 Soil aggregate Analysis Meter