Hydraulic tester computer + PLC system detects and controls the whole ... steel tube, the whole process is controlled and tested by industry computer and PLC, has features of high ... big clearance outer envelop, compulsive sealing. Voltage controlled, DC24V,DC24V Air supply,pressur 0.4-0 ... mode It is controlled and monitored by computer +PLC, operated at automatic/manual mode. Computer, 2.6CPU,256Minternal ...