Development of Correction Equation and Characteristics Evaluation for Moisture Meter of Microwave Resistance Type
2010
Jeon, H.Y., United States Department of Agriculture Agricultural Research Service, Washington, USA | Kang, T.H., Chungbuk National University, Cheongju, Republic of Korea | Han, C.S., Chungbuk National University, Cheongju, Republic of Korea
This study compared moisture content measured by moisture meter of microwave resistance type(MMMRT) and standard moisture content of paddy, and developed the correction equation using linear and curvilinear regression analysis, and to explore its significance test. The correction factor according to the range of moisture content was developed to improve the measurement precision of MMMRT. The results were as followings. The coefficients of determination of correction equation by linear and curvilinear regression analysis with comparing the MMMRT and standard moisture content were 0.946 and 0.968, respectively. The moisture content error of MMMRT and standard moisture content measured after the MMMRT were corrected by moisture content rate of every 5% using the correction equation by curvilinear regression analysis appeared with 0~0.5% and 0.9~1.8% respectively in the moisture content range of 15~20% and 20~25%.
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