This Apparatus is used for determination of the dry density of compact, fine, medium grained soils and for layers not exceeding 50 cm thickness. A circular hole is dug into the ground, all the soil from within it collected, weighed and dried, and the hole back-filled with a standard uniform sand or fine gravel, poured from a calibrated container for calculating the volume of hole. Sand Pouring Cylinder, fitted with conical. Funnel and Shutter, 100mm (10cm) dia Sand Pouring Cylinder 150mm (15cm) dia Sand Pouring Cylinder 200mm (20cm) dia Sand Pouring Cylinder