Power:110 V 60Hz Usage:soil testing Product name:Direct shear testing machine Maximum vertical load:400KPa Pressure level:50,100,200,300,400KPa Corresponding weight weight:1.275,2.55,5.1,7.65,10.2KPa Lever radio:1:12 Soil sample:30cm2 x 2cm(H) Variable speed:0.02,0.8,2.4mm minute Certificate:ISO Standard:T0130-93 Warranty:12 Months