... stress-strain,force-time testing curve WAW series micro-computer control electro-hydraulic servo universal testing machineUSE: ... of PC display and manual drive hydraulic loading system, main engine controller separately fixed. It has ... 435 435 565 650 700 Piston stroke (mm)200 200 250 250 250 Motor power (KW) 2 2 ... 100-125mm, 125-150mm, 150-175mm, 175-200mm, 200-225mm, 225-250mm, 250-275mm, 275-300mm 20 ...