PWX series electric spray prover is the product newly developed. Its working principle is: Heat air through electrothermal tubes, blow hot air into the cabinet, spray water on thermal plate interruptedly, then fogged water is coming into cabinet with hot air, so that it can ensure cabinet's humidity and create an appropriate proofing environment, then get the purpose of proofing the dough quickly. Its control plates take use of low voltage electric switch touch-control, safety and reliable, hi-automatic and easy to operate. It is suitable for proofing dough in restaurants, hotels, institutions, and canteens, etc.