The geotextile vertical permeability tester is a constant water head tester designed and manufactured according to the latest national standard GB/T15789-2016 and the requirements of the water conservancy SL235 standard. It is suitable for various water-permeable geotextiles and composite fabrics under constant water head. For vertical permeability test, this machine adopts microcomputer program control, sensor acquisition and measurement, digital setting of head difference, automatic positioning, automatic conversion of permeability coefficient, display, storage, statistics, editing, printing, etc.

GB/T15789-2016 、SL 235-2012