The waterproof grade that can be achieved in general industry is IP67. However, the customer has put forward special requirements: the product is used in a high humidity environment, and the air humidity is very high. The customer requires that the membrane switch be washed with a high-pressure water gun without water! After receiving the demand, SANBEN quickly carried out technical research. On the basis of waterproof structure, it made full closure optimization and successfully reached the technical level of IP69.
