930 differential pressure switch is mainly used for system fault alarm switch, because you can only read a switch rather than read an analog sensor. When the new air conditioning unit filter differential pressure exceeds a certain value of the wind pressure switches, pressure switching, system alarm, this time to remind you need to clean the filter of the company's main products: pressure controller; pressure switch; pressure controller; high and low pressure controller; high and low pressure switch; high and low voltage controller; low pressure switch; temperature controller; solenoid valve; valve system; flow controller 604 pressure switch | Guizhou pressure switch | Youbisheng electromechanical provided by Changzhou gifted Litas Electrical Co., Ltd. established. Changzhou Li gifted Litas Electrical Co., Ltd. (www.abc.com) strong, credible, in Changzhou, Jiangsu display instrumentation industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead stand gifted Litas electromechanical and you hand into the brilliant, for a better future!