Particle size classification device for field use

摘要

Disclosed is a size portable particle size distribution sampling device that is small enough to be carried by truckers and handled by terminal personnel. The device consists of multiple nesting screening (sieve) cups, with a sample cup at the top, a plurality of screening cups in sequence below the sample cup and a base container at the bottom. Methods of use are also disclosed.

主权项

1. A particle size measuring device comprising a measuring cup, a base cup and a plurality of screening cups that are structured to nest together with a bottom section diameter smaller than the inside diameter of the next succeeding cup in a nest and wherein no more than about half of the side walls of each cup is overlapping with another nested cup when the cups are nested and, wherein the screening cups have disposed in each cup a fixed screen of predetermined mesh size.