... of pedestal, oil cylinder, piston, wheel sensor, lifter motor, reducer, sprocket wheel, the screw-bar, worktable, upright ... space.Measurement system WAW microcomputer control electric-hydraulic servo universal testing machine adopts electronic measuring technology. There ... ; 3. Digital displacement Sensor: Omron of Japan;Hydraulic source:1. Hydraulic station: electro-hydraulic servo control of ...