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Tap and Bulk Density Testers
 
2011-11-15

The apparatus of Hall Flowmeter/Hall Flow Meter

-Calibrated funnel, having the dimensions shown in ISO 4490
The funnel shall be made of a non-magnetic, corrosion-resistant metallic material having sufficient wall thickness and hardness to withstand distortion and excessive wear.

-Stand and horizontal vibration-free base, to support the funnel rigidly,e.g.as indicated in ISO 4490.

-Balance, of sufficient capacity, capable of weighing the test portion to an accuracy of +-0,05 g.

-Stopwatch, capable of measuring the elapsed time to an accuracy of +-0,1 s.

-Chinese emery grit, a reference powder used for calibration of the funnel.

AS-300 Hall Flowmeter/Hall Flow Meter

2011-11-08

The principle of international standard ISO 4490 Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter)?

-Measurement of the time required for 50 g of a metallic powder to flow through the orifice of a calibrated funnel of standardized dimensions.

AS-300 Hall Flowmeter/Hall Flow Meter

2011-11-01

The scope of international standard ISO 4490 Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall Flowmeter)?

-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.

AS-300 Hall Flowmeter/Hall Flow Meter


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