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soil moisture and temperature sensor

soil moisture and temperature sensor

(OP)
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

RE: soil moisture and temperature sensor

Contact a geotechnical or agricultural supply/manufacturing company.

RE: soil moisture and temperature sensor

(OP)
Ok. But i will wait for a better response, hopefully

RE: soil moisture and temperature sensor

Temperature is easy, use a thermistor.

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

(OP)
ok, thank you. will look into that.

RE: soil moisture and temperature sensor

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.

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...

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