Compared with the traditional mechanical pressure controller, electronic pressure controllers there are obvious advantages in many respects to protect the parameter P001 / P000 close / open function is on: Press (ON / OFF) key to run any key other than, the screen will show "- - ", then you need to enter a password to set upper and lower limits and other parameters. Pressure switch use. Parameter protection engineers set is not modified. Pressure transmitter switch pressure switch factory price how much money, pressure switches, swim grace (view) provided by TU Technology Co., Ltd. Beijing tour. Beijing Tour En Technology Co., Ltd. (www.bjyouen.com) (www.bjyouen.com) is specialized in "pressure transmitters, pressure switches, flow meters, flow switches, temperature transmitters, temperature switches," the enterprise, the company Adhering to the "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Ms Fung.