Globetrek Cement Water Permeability Apparatus, as per IS: 1727, 2645. Permeability test on pozzolona cement mortar and cement mortar with or without the addition of integral water proofing compound is carried out using a Brass cell of 100mm dia and 50mm high. Each cell with a collar is clamped in between a base plate and top plate with the help of tension rods & nuts. The top plate is provided with an inlet and air release vent and the base plate is provided with an outlet. Six Cell Model without air compressor.