... F10/20/30 glass tube flow meters,LZZ/LZD(-F)metal tube flow meters,organism panel type purified flow meters, ... UHC magnetic flap liquid level meters,LUGB/LUCB vortex street flow transmitter,LDG electromagnetic ... :1.Superior performance for measuring pressure, differential pressure, liquid level, and flow rate2.Sensor directly outputting frequency signal 3.Digital ...