How to determine the apparent volume by a Tap Density Tester?

-The test for apparent volume is intended to determine under defined conditions the apparent volumes,before and after settling,the ability to settle and the apparent densities of divided solids for example,powders,granules.



AS-100 Tap Density Tester
http://www.aimsizer.com/As_100_Tap_Density_Volumeter_overview.html