海水重金属元素现场分析仪器的硬件设计  

Design of Novel Instrument for Analysis of Trace Heavy Metal in Seawater On-line

作　　者：刘大龙[1] 方昉[1] 韩清鹏[1] 门洪[1] 邹邵芳[1] 王平[1] 

机构地区：[1]浙江大学生物医学工程与仪器科学学院,浙江杭州310027

出　　处：《仪表技术与传感器》2004年第8期5-8,共4页Instrument Technique and Sensor

基　　金：国家"八六三"高技术项目(2001AA635060)

摘　　要：描述了用于海水中痕量重金属在线分析的检测仪器的硬件实现。仪器集成了1个多通道高精度开路电压测量系统和用于溶出伏安法测量的多路恒电位计,仪器内嵌软件可控制仪器自动完成全部测量过程,为全自动在线测量提供完善解决方案。仪器具有精度高、全自动测量、可扩展性好及可靠性高等特点。对完成的样机进行了性能测试,仪器指标达到了要求。Described hardware implementations of the analytical instrument used to detect trace heavy metal in seawater.The instrument is integrated with a multi-channel high precision open circuit potential measurement system and a potentiostat used in voltammetry.With the embedded firmware,it can perform the entire analysis automatically,thus provide a perfect solution for fully automatic on-line analysis.The instrument features ultra-high precision,automatic measurement,wonderful extensibility and high reliability.The prototype has been assembled and fully checked,The results show it can satisfy project in all aspects.

关 键 词：仪器仪表 传感技术 重金属分析 恒电位电流仪 微机化仪器 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]