ECA—1型电化学参数采集系统

Model ECA-1 Electrochemical Parameter Acquisition System

本文叙述了用于电化学参数连续原位自动测定的ECA—1型电化学参数采集系统的组成、应用软件和设计中的几个关键问题。系统是由传感器(pH,Eh.pX,温度和电导)、MIA—1型微机化多功能离子分析器、电导与温度测量电路、袖珍计算机、打印机及应用软件等组成。应用软件有通道选择、数据采集、干扰值剔除、量程自动切换、数据处理、打印输出和定时采集等功能。设计中的关键问题是接地样品的测量、交叉干扰及瞬时干扰等问题。

This paper describes some key problems related to the hardware construction,application software and the designing of Model ECA-1 Electrochemical Parameter Acquisition System used in automatically contionuously measuring of the eletrochemical parameter in situ. The system is consist of sensors (temperature,conductivity,pH,pX,Eh)、 Model MIA-1 Microcomputerized Multifunctional Ion Analyzer、 measuring circuits of conductance and temperature, pocket computer, printer and application software etc. The application softwares of the system include a series of function, such as the channel selection ,data acquisition ,deletion for interfering value ,automatic transition of measurement range, data processing,timing printing results and etc.. The key problems of in desgining contain measurement of earthed sample,intercross interfering and instant interfering and so on.