There are two testing methods are recommended by ASTM B 213 Standard Test Method for Flow Rate of Metal Powders using a hall flow meter funnel.One is stationary powder start to flow measurement, the other is moving powder start to flow measurement.
AS-300 Hall Flow Meter/Flowmeter Funnel
Overview
AS-300 Hall Flowmeter/Hall Flow Meter determines both Flow Rate and Apparent Density of free-flowing metallic powders as well as other fine powders in various particle size distributions with calibrated hall flowmeter funnel according to International Standards
Manufacturer
-AimSizer Scientifc is a world leading and reliable manufacturer of Hall Flowmeter/Hall Flow Meter Funnels and Carney Funnels. All the metallic parts are processed and supplied by qualified subcontractor according to International Standards in order to make the unit accurate and robust to satisfy the user's requirement at cost-effective basis.
-AimSizer is also a major research participant in the interlaboratory study of the flow of Chinese Emery. Chinese Emery is used to calibrate a flowmeter funnel by the manufacturers.
-AimSizer is also the original manufacturer of Chinese Emery according to ASTM B213 and other international standards using such certified reference material.
