采用自己设计、组装的多参数跟踪仪和自编软件进行程控测定电位Ｅ，研究了三种不同氯电极对浓度和时间的响应性能，实现微机数据采集、打印、计算和作图，获得了满意结果． The program-controlled potentials E were measured by the self-designed and assembled multi-parameter tracker and self-programmed software. The response performance of three different chlorine electrodes to concentration and time was studied, and the computer data acquisition, printing, calculation and mapping were achieved. result.