Capacitance Sensor for Nondestructive Measurement of Moisture Content in Nuts and Grain

2007 ◽  
Vol 56 (5) ◽  
pp. 1809-1813 ◽  
Author(s):  
Chari V. K. Kandala ◽  
Chris L. Butts ◽  
Stuart O. Nelson
Keyword(s):  
Moisture Content ◽  
Capacitance Sensor ◽  
Nondestructive Measurement

Analysis of Wood’s Capacitance Characteristic to its Hardness

2015 ◽  
Vol 771 ◽  
pp. 161-164
Author(s):  
Mufti Esofita ◽  
Mitra Djamal ◽  
Warsito P. Taruno ◽  
Mahfudz Al Huda ◽  
Marlin Baidillah ◽  
...  
Keyword(s):  
Moisture Content ◽  
Forest Plantation ◽  
Parallel Plates ◽  
Capacitance Sensor ◽  
Paraserianthes Falcataria ◽  
Fast Growing ◽  
Measurement Results ◽  
Good Relation

A capacitance sensor has been designed to investigate the correlation between wood capacitance value, Janka hardness rating and density. The sensor was developed based on parallel plates using copper as the electrodes. Capacitance values were measured using CV-circuit, 20 Vp-p, 2.5 MHz. Five wood specimens from forest plantation that is Karet (Hevea brasiliensis), Pulai (Alstonia sp.), Pinus (Pinus mercusii), Sengon (Paraserianthes falcataria), and fast growing teak (Tectona grandis) were tested. Each specimen was measured in tangential and radial directions under 0% moisture content conditions. The designed sensor was capable to distinguish the capacitance values in tangential and radial directions. The measurement results showed that wood capacitance value has a good relation with wood’s hardness and density.

Nondestructive measurement of husk-covered corn kernel layer dynamic moisture content in the field

2021 ◽  
Vol 182 ◽  
pp. 106034
Author(s):  
Li-Feng Fan ◽  
Zhi-Qiang Chai ◽  
Peng-Fei Zhao ◽  
Zong-Fu Tian ◽  
Shi-Qian Wen ◽  
...  
Keyword(s):  
Moisture Content ◽  
Corn Kernel ◽  
Nondestructive Measurement

scholarly journals Predicting moisture content of chipped pine samples with a multi-electrode capacitance sensor

2016 ◽  
Vol 145 ◽  
pp. 1-9 ◽  
Author(s):  
Pengmin Pan ◽  
Timothy P. McDonald ◽  
Brian K. Via ◽  
John P. Fulton ◽  
John Y. Hung
Keyword(s):  
Moisture Content ◽  
Capacitance Sensor ◽  
Electrode Capacitance
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