MD-S900E hydraulic series are intelligent digital pressure switch, setting pressure measure, display, control on one unit. It has the advantages of easy operation, high control precision, adjustable and so on. It includes two types: MD-S800E and MD-S800Z. We provide radial direction and axil direction mounting to meet customers’ different requirements. It has multiple functions: delay control, reversed control, pressure leakage protection, password protection, units switch, error clearing. The shell and connector are 304 stainless steel. It has good shock resistance, long service life, the characteristics of impact resistance and be used in hydraulic press, high pressure air compressor, high pressure cleaning machine.