This is used for rapid determination of moisture content dry density relation using a constant weight of dry soil passing through 75 micrometer IS sieve. Specifications: It consists of a metal cylindrical tube having 50cm ID and 435mm height, a detachable base plate and a cap are provided for this tube. 8.nos. 1.5mm dia holes equally spaced are dilled at a height is attached to a metallic rod with knob, so as to have a combined height of about 550mm and a total weight of 2.6kg. This rammer is adjusted for a free fall of 310mm. The graduations in millimeters and centimeters are marked on this rod, to coin-side with zero (0) of the scale with the cap of the tube. Graduation are marked downward 0 to 8cm with millimeter divisions. The also plate has internal diameter of 50mm with OD of 140mm and height of 25mm is supplied with flange and wing nuts for easily introducing soil sample and removing it.