... at the begining our company named as Qinfeng Flow meter.we are the professional manufacturer of flowmeters,thermometers, ... electromagnetic flowmeters,LWGY/LWY turbine flowmeters,WSS series bimetallic thermometer and so on about five series and five ... transmission manometer,potentiometer,resistance signalDisplay:1.LED singular/ dual digital display2. display range:-1999~9999,decimal point position ...