The fundamental mechanism of a PD flow meter consists of dividing the fluid flow into individual, measurable volumes. The meter consists of a chamber that traps a predetermined quantity of fluid. Rotors, gears, pistons, or vanes throughout the chamber move in a certain sequence, driven because of the flow of https://jual-glasswool-dan-rockwo98531.tdlwiki.com/929474/5_simple_statements_about_expanded_metal_explained