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    Author(s): Samuel V. GlassCharles G. Carll
    Date: 2009
    Source: Research Note FPL-RN-0312. Madison, WI: U.S. Department of Agriculture. Forest Service, Forest Products Laboratory. 7 pages.
    Publication Series: Research Note (RN)
    Station: Forest Products Laboratory
    PDF: View PDF  (513.0 KB)

    Description

    Conductance moisture meter readings using stainless steel screws as electrodes were compared with gravimetric moisture content for 1) southern yellow pine (SYP) dimensioned lumber, 2) untreated (underlayment grade) SYP plywood, and 3) SYP plywood treated with alkaline copper quaternary. Meter readings were taken with the meter set to the manufacturer-provided species correction for SYP. In the sample of dimensioned lumber used in this investigation, direct meter readings corresponded closely with gravimetric moisture contents. The manufacturer-provided correction for SYP wood was thus deemed adequate. In contrast, meter readings in plywood, whether treated or untreated, deviated substantially from gravimetric moisture content values. Calibration equations for the plywoods are thus presented for predicting gravimetric moisture content from moisture meter readings.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Glass, Samuel V.; Carll, Charles G. 2009. Moisture meter calibration for untreated and ACQ-treated southern yellow pine plywood. Research Note FPL-RN-0312. Madison, WI: U.S. Department of Agriculture. Forest Service, Forest Products Laboratory. 7 pages

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    Keywords

    Moisture meter, electrical conductance, moisture content, calibration, plywood, alkaline copper quaternary, southern yellow pine, southern pine, moisture

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