... of Hydraulic and pneumatic equipmentpressure calibrator and pressure test production line.Specification:1. Led digital display, high Resolution,no visual error2 ... gauges accuracy.4. output open and close setting: user can set the output model open or close constantly.5. speed of pressure ... .Main parameter:1. precision class: 1.02. pressure range(Mpa): 01, 01.6, 04, 010, 016, 025, 040, 0603. Resolution ...