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颗粒过滤效率测试仪(Particle Filtration Efficiency Tester)
GB/T 2626 Respiratory protective equipment - Self priming filter particle respirator 干燥无油压缩空气以一定流量进入气溶胶发生器,产生一定颗粒分布的气溶胶,经级联撞击器筛分,将满足标准要求的粒度分布的颗粒从气溶胶出口排出,进入测试管道。并到达滤料,滤料两侧安装 ...
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