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Calibrating a moisture meter?

2414 Views 1 Reply 2 Participants Last post by Karson, Dec 30, 2011

FatherHooligan

Discussion Starter · Dec 30, 2011 (Edited by Moderator)

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

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Karson

· #2 · Dec 30, 2011

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.

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