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目前我国生产的电化学式分析仪器种类繁多,有多种型式的酸度计,P_x计;近两年有一些数字显示的高精度P_x计问世。基本上满足了与离子选择性电极配套的需要。但是这些仪表对待测溶液浓度的测量是间接的,还须对测试数据进行指数运算,使用起来很不方便。为了完善仪表性能,提高仪表精度,简化测量人员对数据的计算处理,我所应北京第五研究
At present, China produces a wide range of electrochemical analysis instruments, there are many types of acidometer, P_x dollars; in recent years there are some figures show the high-precision P_x meter came out. Basically meet the ion-selective electrode matching needs. However, the measurement of the concentration of the solution to be measured by these instruments is indirect and the test data must be exponentially calculated, which is very inconvenient to use. In order to improve the performance of the instrument, improve the accuracy of the instrument and simplify the calculation of the data by the surveyor,