The equipment is mainly used for product assembly and cavity sealing test in various industries. It uses the air pressure test method to judge the sealing quality of products intelligently. The test parameters and leakage parts are easy to read, and the data of unqualified products are displayed. It is a mature equipment generally recognized by European sanitary enterprises, which conforms to en817 European standard and GB 18145 Chinese national standard. The test method of the equipment is simple and avoids the adverse effect of the old direct water test method, which needs to be rubbed after the water test.