... modeconstant stress, deformation, displacement, three closed loop control Max. Load300kN600kN1000kN2000kNLoad range 2%~100%FSForce resolution1/300000Load accuracy ... ,can do stress,strain,displacement closed-loop control, and shock-free switching.4.2 Digital and multichannel closed ... cylinder,well sealed,without oil leakage.4.5 Software reserved data interface,convenient for laboratory networking and ...