Positive Displacement flow meters are the only flow measuring instrument that can directly measure the volume of liquid passing though the flow meter. These meters achieve this by trapping small ...

HPD Series positive-displacement flowmeters are suited for high-viscosity, nonabrasive fluids such as oils, polyurethanes, grease, and fuels.

Using a purpose-built 500-l reference vessel and variable speed milk pump the repeatability and accuracy of two positive displacement milk meters (one with graphite piston, the other with hard plastic ...

Using a purpose built 500-l reference vessel and variable speed milk pump, the repeatability and accuracy of a positive displacement milk metering system, as affected by milk temperature (range ...