Three typical farm products storage systems were adopted to detect the temperature drifts respectively. The cell circuit was improved according to the designing principal of the instrument electrocircuit. As the results, the error of the storage temperature was dramatically reduced from 3.5℃ to 0. 3℃ and the cold storage temperature fluctuations decreased from 5.3℃ to 1.4℃. Besides, three simple temperature compensation methods were also selected. These methods were applicable to those places which were unsuitable for the instrument circuit improvement.
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张道辉,赵红军,周广芳,宗晓娟,沈广宁,刘庆忠.农产品贮藏设施温控仪表温度漂移控制方法[J].农业机械学报,2010,41(6):108-112. the Temperature-controlled Instrument for the Farm Products Storage[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(6):108-112.