Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter) (ISO 4490:2008); English version of DIN EN ISO 4490:2009-02
This International Standard specifies a method for determining the flow rate of metallic powders, including
powders for hardmetals, by means of a calibrated funnel (Hall flowmeter).
The method is applicable only to powders which flow freely through the specified test orifice.