... -purity quartz tube UGS series color quartz glass level meters with performance of on site indication are ... is the professional manufacturer of flowmeters,thermometers,liquid level meters,transmitters and so on.The main products ... pure water flow meters,UHC magnetic flap liquid level meters,LUGB/LUCB vortex street flow transmitter,LDG ... certification since 2003. UGS Quartz Tube liquid Level Meter