Apparatus is used to determine the impermeability of concrete to water in accordance with EN 12390-8 “Depth regarding Penetration of Water being forced. The apparatus might be connected to a usual air compressor efficient at ensuring at very least 6 bar regarding compressed air continuously and equipped with dehumidifier and essential oil filter. The three test bays tend to be used simultaneously should they must be used independently, so as to operate various tests in addition to others already staying run.