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1980年11月19—20日,由国家仪器仪表总局批示委托有关单位,在江苏泰县召开了由湖南大学及江苏泰县无线电厂协作研制的502型气敏氨电极的鉴定会。会议听取了研制单位关于试制适用于国产仪器配套使用的阻抗较低、体积较小的气敏氨电极的技术报告。鉴定小组对试制的电极性能进行了现场抽样测试。会议通过的鉴定书肯定了研制的氨电极的技术特性,认为其响应功能、内阻、重现性等均达到了国内先进指标,建议正式批量生产。
1980 November 19-20, instructed by the State General Administration of Instrumentation instructed the relevant units in Jiangsu Taixian held by Hunan University and Jiangsu Taixian Radio Factory collaborative development of 502-type gas sensing ammonia electrode identification meeting. The meeting listened to the technical report of the developing unit on the trial production of gas sensing ammonia electrodes with lower impedance and smaller volume which are suitable for the domestic equipment. The expert panel conducted a field sampling test on the performance of the prototype electrode. The meeting passed the identification affirmed the technical characteristics of the developed ammonia electrode, that its response function, internal resistance, reproducibility, etc. have reached the domestic advanced indicators, the proposed formal mass production.