I’m hoping Roland Johnson will respond to this but perhaps others may be able to answer my question. In Roland’s review of pinless moisture meters, he recommends the Lignomat Scanner D with a scanning depth of 3/4″. For thinner stock, he recommended holding the stock in the air or stacking thin stock together. I called the company and they said that holding thin stock in the air would lead to inaccurate readings if the scanning depth of the meter is 3/4″. I’m just wondering how far off the readings could be because there is a $100 price difference between the dual depth and single depth Lignomat meters? – Lyptus
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Replies
did you ask them about thin pieces together? that seems to me to be the better answer.
lyptus,
I can't tell you what
lyptus,
I can't tell you what error factor the readings would be from actual EMC. The meter will display a reading that is not representative of the actual EMC (equilibrium moisture content) but will represent a value that can be used for comparison of MC (moisture content) between pieces, allowing you to determine if all of your thin parts have similar MC.
Stacking the parts together will give you a reading closer to the actual EMC, although it will be an average of the stack, not the exact EMC of the piece on the top.
Unless you have a need to measure exact EMC in thin stock, I wouldn't worry about spending the extra money for the SD. The D will give you enough information that you can determine if your parts are adequately and/or consistently dry.
Roland
Roland,
Thank you for the clarification! That's exactly what I wanted to know.
- Lyptus
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