STSZ-9 Stress and Strain Controlled Triaxial, Shear and Permeability Testing Machine
1.Axial load: 0-20 k N, precision ≤± 1％ （10％-95％FS）
2.Strain control: ≥ 0.002-4 mm/min, precision ≤ ± 1％
3.Stress control: 0.1~5 k N, precision ≤± 1％
4.Confining pressure≥： 0-1.99MPa，precision ≤± 0.5％FS, setting range：0.01-1.95MPa
5.Back pressure：≥ 0-0.99MPa，precision ≤± 0.5％FS，setting range：0.01-0.95MPa
6.Volume change: ≥0-60ml，digital display
