Magnet electric joint pressure meter is used to measure the pressure of non-explosive liquid. It is widely applied in petroleum, chemical industry, metallurgy, power plants and other industrial area. Typically, the meter is used with the completed electrical device (such as relays and contactors, etc.) to auto control pressure and sends signals. In order to satisfy customers’ require, we developed new type of this products such as anti-vibration type, anti-corrosion type, anti-corrosion and anti-vibration type with isolation devices and so on.