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United States Department of Agriculture

Agricultural Research Service

1 - Modeling Erosion of Particulate Matter
2 - Micro-Quality: Every Kernel Counts
3 - Lincoln company develops new weapon for the weevil wars
4 - Chilly reception runs off unwanted bugs!
5 - ARS, Industry Cooperation Yields Device to Detect Insects in Stored Wheat
6 - Monitoring mold by measuring CO2
7 - Sorter Detects and Removes Damaged Popcorn Kernels
8 - ARS Scientist Wins The Andersons Research Grant Program: Team Competition
9 - How Far Does Dust Travel During a Wind Erosion Event?
10 - Non-Destructive Prediction of Protein, Starch, & Moisture using NIR Spectroscopy
11 - SKCS technology Increases Accuracy Identifying Soft & Hard Wheat Grown in Pacific Northwest
12 - From Granaries to Insectaries: NIR Technology Helps Human Health
13 - Insects Play Hide and Seek in Wheat
14 - Near-Infrared Spectroscopy Detects Honey Bee Queen Insemination
15 - Sensor offers a Promising Means to Determine the Moisture Content of Grain During Storage or Transportation in Cargo Holds
16 - Pulsewaveâ„¢ Technology Reduces Grain to Flour at Lower Energy Costs
Sensor offers a Promising Means to Determine the Moisture Content of Grain During Storage or Transportation in Cargo Holds

A low-cost moisture sensor was designed for measruing moisture content and temperature of agricultural commodities.  The capacitive sensor was mounted on the end of hand-held probes and in 1.5 liter canisters and tested in wheat and corn over a range of moisture contents from approximately 1 percent to 20 percent.  The sensor response was a consistent and sensitive function of the moisture content of grain for these applications.

The sensor offers a promising means to determine the moisture content of grain during storage or transportation in cargo holds.  The sensor is water-tight and constructed with corrosion-resistant materials that allow moisture content and temperature measurements to also be made of industrial materials, chemicals, and fuels.  The sensor may also be supported on cables in grain storage bins to acquire continuous, in situ data for stored grain management and the control of aeration and low-temperature drying systems.

For more information contact:
Dr. Mark Casada at mark.casada@ars.usda.gov  
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Last Modified: 8/8/2011
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