The fundamental system of a PD flow meter entails dividing the fluid flow into separate, measurable volumes. The meter is made of a chamber that traps a predetermined quantity of fluid. Rotors, gears, pistons, or vanes inside the chamber move in a specific sequence, driven via the flow of fluid. https://jualglasswool54297.wiki-cms.com/7007227/considerations_to_know_about_grating