The invention relates to a metallic 
erosion experimental device, in particular to a marine 
erosion simulation tester for measuring 
erosion conditions of metals in the marine environment. The invention comprises an upper 
water storage tank, a lower 
water storage tank and a main water tank, wherein, a 
siphon tube is arranged between the main water tank and the lower 
water storage tank; one end of the 
siphon tube is positioned inside the main water tank and the other end of the 
siphon tube is inserted into the lower 
water storage tank; the upper 
water storage tank is communicated with the lower 
water storage tank through a 
water pipe capable of controlling the flow rate; a water inlet 
pipe capable of controlling the flow rate is arranged on the upper water 
storage tank and the other end of the water inlet 
pipe is inserted into the main water tank; an electrically controlled wave generating plate and a test strip holder are arranged inside the main water tank; a sea mud zone at the bottom is provided with a plurality of baffle plates; a liquid level controller is arranged on the upper water 
storage tank and connected with the 
water pipe through an electrical wire; a filter screen is arranged inside the lower water 
storage tank and water which is filtered by the filter screen passes through the 
water pipe and flows into the upper water storage tank; the wave generating plate is connected with a driving motor through a transmission tension rod; and the test strip holder can hang pieces respectively or hang pieces through electrical 
interlocking. The test result of the device is reliable and convenient for observation, and the 
simulation environment is various and true.