1. The climatic rain spray chamber is applicable to test the waterproof performance of such products as car lights, wipers, waterproof strips, locomotive instruments and high and low voltage electrical enclosure protection. 2. Design and production strictly conformed to national standards enables the rains pray test chamber to realistically simulate dripping, water spray, splash, spray. 3. Adoption of comprehensive control system and inerter technology makes automatically adjustable the rotation angle of rainfall test holder, the swing angle of spray pendulum and water quantity swing frequenc. IPX3,IPX4 met. Standards met: GB/T4942.2-1993,GB4208-2008,GB/T10485-2007