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介绍了一种以单片机作为控制系统的新型溶解氧测定仪的结构和其测量方法,此方法适合于各种类型膜电极.该仪器减少了传统溶氧仪器测量时,测量结果受温度影响的缺点,测定结果可精确至0.1mg/L.此外,本设计能随时由用户根据当时使用电极的温度特性输入至E2PROM2864中,可以长期获得正确补偿.
This paper introduces the structure and measuring method of a new type of dissolved oxygen meter which uses the singlechip as the control system and is suitable for all kinds of membrane electrode.The instrument reduces the shortcoming that the measurement result is influenced by the temperature when the traditional dissolved oxygen meter measures , The measurement results can be accurate to 0.1mg / L. In addition, the design can be at any time by the user according to the temperature characteristics of the electrode is used to enter the E2PROM2864, long-term access to correct compensation.