Asphalt Permeameter Apparatus

Mainly used in situ to perform and to check the permeability and drainage on road carpets, concrete pavements, tamped earth & etc. The test consists in filling the cylinder with water, ermetically positioning it on the carpet under test and then incalculating the time needed by a certain quantity of water to be absorbed by the same. The instrument is composed of a bottomless plexiglass cylinder 140 mm inside diameter, fitted on a base. The cylinder has two black calibration lines: one at zero point and one at 250 mm.