一、概况我国自50年代后期开始生产盐雾试验箱,最初几个型号都是仿苏联、瑞士和日本的,有效容积都很小, 设计也较陈旧,多数已被淘汰及改型。目前国内生产盐雾试验箱的工厂约有6～7家,产品型号有 LY-40型、YQ-25型及 YQ-1201型等,有效体积约0.25～0.35m~3。根据我们的调查及用户反映,认为这些盐雾试验箱的技术性能及产品质量指标均不及同类型的日 I. Overview Since the late 1950s China began producing salt spray chamber, the first few models are imitating the Soviet Union, Switzerland and Japan, the effective volume is very small, the design is also older, the majority have been eliminated and modified. At present, there are about 6 to 7 factories producing salt spray test chambers in China. The product models are LY-40, YQ-25 and YQ-1201, and the effective volume is about 0.25 ~ 0.35m ~ 3. According to our survey and user feedback, we think that the technical performance and product quality indexes of these salt spray chambers are lower than the same type of day