I need help finding a good soil moisture and temperature sensor. it needs to be able to work in wet soil conditions. Any help would be appreciated. A link or a way to build one would be very helpful or any other tips on the type of device. Need it for thesis
Moisture is much more difficult. I've used "soil moisture blocks" in the past. Seemed to work well at moderate moisture contents, but at best were plus or minus 2 percent.
Foundry sand moisture content has to be measured rapidly. There are several ways. However, for years a milk bottler shaped device with dial gage on the base "speedy" meter has been used with calcium carbide mixed with sand to get a pressure that is converted to moisture content.
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RE: soil moisture and temperature sensor
RE: soil moisture and temperature sensor
RE: soil moisture and temperature sensor
Moisture is much more difficult. I've used "soil moisture blocks" in the past. Seemed to work well at moderate moisture contents, but at best were plus or minus 2 percent.
Mike Lambert
RE: soil moisture and temperature sensor
RE: soil moisture and temperature sensor
Might have a look at these systems.
RE: soil moisture and temperature sensor
https://video.search.yahoo.com/yhs/search?fr=yhs-a...
Here is only one meter that is out there these days.
http://www.moisttech.com/ir3000-online-moisture-tr...