... measure volumetric flow of liquid within closed conduit, the pipe line must be filled full of liquids, there must be ... Standard insertion transducer: φ20mm, 190mm, weight:<0.6kgIf the pipe material is cement, ductile iron or other unweldable materials, can ... φ20mm, 325mm; weight:<1.6kgSolutions:Especially suitable for large pipe sewage flow measurement, not like the electromagnetic flowmeters have the ...