moisture measurement in grain

[sensortagsolutions]

Hi,

We are looking for a solution to measure the moisture content of grain that is blown through a pipe (from a truck to a bin).
Suggestions welcome.

Wim Stenfert Kroese

[TomRinAZ-USA]

Hi,

Interesting question Wim Stenfert Kroese.

I immediately thought of a sensor restrained within butterfly valve-
separated tubular chambers, and a coffee grinder assembly. Grain
enter a fore-chamber, is ground to the proper textture, sampled, then
exhausted. Of course, there would be considerable calibration
required, but I believe suitably-ground grain kernels, with good
chamber density management, would create sufficient contact with a
good, absolute soil moisture sensor to get the job done.

I have a rough schematic, for your consideration. Not shown are the
requisite dislodging/backflow mechanisms.

Tom Reynolds, CID, NRCS-TSP
Water Balance, LLC
Tempe, AZ 602-463-5072

[Tom Thomson]

How about using a moisture sensor from a combine yield monitor? They
are already designed to work in tubes on a flow thru basis. They are
not the standard of accuracy but they work quite well. Check out
AgLeader or any of the major implement dealers.

tom

==============================================================
Tom Thomson Northwest Agricultural Consulting
1275 Oak Villa Road to...@onlinenw.com
Dallas, Oregon 97338 Phone 503-510-3883

"The only difference between a problem and a solution is that
everyone understands the solution." Charles Kettering
==============================================================

[Ben]

Hi,
I do not have any experience about soil moisture measuremets of grain.
But I know that IMKO produces some nice sensors. I think this one is
especially designed for your use:
http://www.imko.de/en/products/industrial-moisture/trimegw
Regards
Benjamin

[Wim Stenfert Kroese]

Hi Benjamin,
Thanks for the tip! I'll check it out.
Best regards
Wim

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