Electric contact pressure gauge is used to measure copper and copper alloy corrosion can not afford the gas, liquid medium positive or negative pressure, and when the pressure reaches a predetermined value a signal connected to control circuits and the alarm was the purpose of automatic control.
Electrical contacts in electrical contact device signal pins, with a permanent magnet can be adjusted, to increase contacts suction, speed up access to action, so that access to reliable contacts, eliminating the arc, which can effectively avoid the instrument as a result of environmental vibration Or media pressure fluctuation caused by the frequent contacts off. Electrical contacts with the action so reliable, long life, greater power contact switch, etc..