... digital control inverter technology,use microprocessor to control accurately,cutting current to adjust stepless, software can be upgrade and ... performance is steady and reliable, ignite the arc rapidly, cutting kerfs are narrow, clean without any deformation of work ... pressureMpa3-4Gas rate of flowL/min110Overall dimensionsmm410x180x300Weightkg10 Air Plasma Cutting Machine (Digital, MOSFET 40A)