Shelby Tube Permeameter

The Shelby Tube Permeameter allows you to perform permeability tests on undisturbed soil samples on 3" (76 mm) diameter Shelby tubes. Two sets of end caps fit over a Shelby tube liner up to 6" long. End caps contain a valve to control flow of permeants through the specimen, along with a porous stone to prevent material from flowing into the valve. Unit includes o-rings, connecting rods, clamping knobs and tubing.