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Calibrating a moisture meter?

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Forum topic by Mark Shymanski posted 12-30-2011 10:43 PM 1456 views 0 times favorited 1 reply Add to Favorites Watch
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Mark Shymanski

5111 posts in 2366 days


12-30-2011 10:43 PM

Topic tags/keywords: moisture meter calibration

Having received a moisture meter for Christmas I was wondering if there is a way to validate the readings it is giving?

My first thought was to take a piece of wood measure the moisture content with the meter then weigh it (I have a pretty good balance here so I think I can get a good measure of the mass) then microwave the sample until it is ‘drier’ measure the mass again and then re measure with the moisture meter. I am hopeful that the change in mass is proportional to the change in moisture reading. This is assuming that the microwaving will dry out the wood. I should be able to calculate the moisture content from the change in mass, shouldn’t I? I’d sure appreciate any assistance on this. Thanks in advance.

Mark

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2


1 reply so far

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Karson

34876 posts in 3054 days


#1 posted 12-30-2011 11:39 PM

Here is a manual on calibrating for particle board but it did have a fornula for use on page 7

http://www.9wood.com/files/rd_reports/moisture_meter_calibration-vesta.pdf

So you would test the wood you have then oven dry it and then use the formula to calculate the original MC. Then check it with you test.

I have a Lignomat DX/C meter and the MFG states that it does an internal calibration when being used. So I can’t be of any help there.

What meter did you get.

I did a search on Google and there are a lot of references and a link to a MFG web site that has a way to calibrate theres.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

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