This test apparatus is used for the evaluation of ability of various oils, specially corrosive properties of cargoes in petroleum product pipelines, to aid in preventing the rusting if ferrous parts. The test fuel of specified quantity is placed in specially designed Berzelius beaker with a cylindrical specimen as per suggested test parameters for specified time. The sample is stirred and distilled water is added in the system at specific time intervals as per the test standard requirement. Iron specimen is cleaned and corrosion area is tested for getting results. It is a table top model.