Salt water spray test device

This invention provides a neutral salt water spray testing device, which is capable of easily maintaining the PH value of the spray solution in the range of 6.5 to 7.2 by anyone, so as to improve its reliability. The testing device is provided with a salt water supply tank, a floating board floating on the surface of the testing salt solution in the supply tank, a testing salt solution reservoir, a shortest pipe connecting the salt water supply tank and the testing salt solution reservoir, a steam generator and a float type testing salt solution reservoir in a spray tower, a silicone resine tube connecting a spray liquid collecting container and a messcylinder, and a hard PVC pipe connecting the salt water supply tank and the testing salt solution reservoir, the device is capable of preventing an acidic substance from solving into the testing solution.