Pressure switch is a pressure measurement, display, intelligent digital pressure measurement and control products output, integrated control. This product is a full electronic structure, use front-end with baffle filled hydraulic resistance type pressure sensor, the output signal is composed of high precision, low drift amplifier processing, into the high precision A/D converter, the digital signals into the microprocessor can processing, through processing the signal control switch, monitoring and control of the pressure control system. Digital Air Pressure Switch is flexible to use, simple operation, easy debugging, safe and reliable. Widely used in hydropower, tap water, petroleum, chemical, mechanical, hydraulic and other industries, the fluid medium pressure measurement display and control.