The sand pouring cylinders and calibration cans are made of cast aluminium and precisely machined. The tray is made of plated sheet steel. The verification of the degree of compaction can be determinate on site by a simple procedure consisting essentially in removing and weighing a part of compacted soil and replacing in the hole with sand by a simple apparatus recording the volume of sand and then calculating the density of the removed soil.

Ltekonline are the manufacturers of Sand Replacement Test Sets used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Road Testing Equipment for Engineering Teaching Lab in Universities