303-9 What is the working principle of the hall flowmeter specified in GB1482?
The powder flow rate of metallic powders is expressed in terms of the time it takes for 50g metallic powders to flow through a standard hall flowmeter funnel with a specified aperture.
AS-300A Hall Flowmeter︱Flow Meter Funnel︱Metal Powder Flow Rate︱Apparent Density︱Carney︱Manufacturer