Specifications : Same as above but instead of a set of three glass stand pipes a stand with nine glass tubes of 6mm, 10mm, 20mm, 25mm, 40mm, 50mm, 60mm, 70mm, 75mm bore. 75mm bore tube is provided with overflow arrangement for constant head tests. The remaining tubes are used for falling head test.
- Optional : Overhead tank made of steel, approximately 37.5cm dia x 1mtr. high. it is provided with an inlet port at the top and size outlet at bottom with cocks and air inlet and water filling tube on top. An arrangement is provided to indicate the water level. An extra meralic tube having approximately 5mm /6mm I.D. and 1 mtr. long is also supplied 2.6 kg x 310 mm controlled fall and Rammer 4.89 kg x 450 mm controlled fall.
- Spares : Pair of top and bottom Porous stones for permeameter mould.