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光阻法液体颗粒计数器的测量原理和分类

Release date:2018-04-20  source:粉体网  Browse times:377
      光阻法颗粒计数器是随着洁净度测量和污染度监测而发展起来的一种测量方法,按测量对象分成两种:一种是对气体中颗粒进行大小和数量测量的俗称粒子计数器,也称尘埃计数器;另一种是对液体中颗粒进行大小和数量测量的,称为光阻法液体颗粒计数器。

光阻法液体颗粒计数器主要由进样系统、敏感区、计数系统等部分组成。颗粒进到敏感区,光路被阻隔,光电接收器上接收到光电强度变化,并转换成电压脉冲信号,经不同电压阀(或脉冲高度分析器通道)分别记录不同大小颗粒通过的数量。

仪器测量用途可分为用于油相和水相介质中固体颗粒的测量;按仪器的测量方式可分为固定粒径档、可设定粒径档和不设定粒径档三种类型。  

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