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Journal of Applied Sciences
Year: 2011  |  Volume: 11  |  Issue: 8  |  Page No.: 1476 - 1478

Paddy Moisture Content Detector

Josefina B. Janier and Maliki B. Maidin    

Abstract: Electrical conductivity is a measure of a materials ability to conduct an electric current hence a resistance type instruments measure the ability of a sample to conduct a current relative to its moisture content. When minerals or impurities from materials or substances are added, water becomes a good conductor. This paper discusses the detection of moisture content of paddy. The device detects the presence of moisture in paddy sample in the range of wet, 20% moisture content, medium, 18% moisture content and dry, 14% moisture content. The device uses the probes as sensing element and the outputs of the device are represented by three LEDs which are red for wet sample, yellow for medium wet sample and green for dry sample.

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