foundry sand testing equipment for wide variety of foundry sands. online testing and control of green sand plant. laboratory equipment for sand testing.,permeability meters sand testing equipments,permeability meters. we are manufacturer, supplier, exporter of permeability meters and our set up is situated in kolhapur, maharashtra, india. use it is use to determine porosity in raw sand, green, nobake sand. specifications with air tank, water tank, manometer unit, permeability chart, 2 orifices and syphon unit. weight 15.2kgs.