水质多参数在线分析仪可实现水体pH值、溶解氧等环境参量信息的实时测量、现地控制和远程传输,可辅助监管中心对测量水域的水质变化情况进行及时评判和响应,对水环境质量评价及水污染控制具有重要意义.本文介绍了水质多参数在线分析仪的设计方法,并结合工程实例对分析仪的应用情况进行了分析.应用表明,水质多参数在线分析仪安装使用方便,维护量小,长期稳定性好,可较好适用于普通水质监测场合及水污染控制场合使用.%Multi-parametersonline water quality analyzer can realize real-time measurement, field control and remote transmission of environmental parameters such as pH, dissolved oxygen and so on. The online analyzer can also assist the monitoring center to evaluate and respond timely to the variation of water quality in the monitored area, which is of great importance to the evaluation of water environment quality and the control of water pollution. The paper conducts a thoroughly discussion on the architecture and design methodology of multi-parameters online water quality analyzer. The operating status of the designed analyzer is studied using an actual engineering example. Operating data suggests that the analyzer has advantages of easy installation, little maintenance and excellent long-term measurement stability, which is a perfect match for the water quality monitoring of surface water and the water pollution control.
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