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Title: Moisture Meter Calibration for Untreated and ACQ-Treated Southern Yellow Pine Plywood

Source: USDA Forest Service, Forest Products Laboratory, FPL-RN-0312, March 2009

Author(s)Samuel V. Glass; Charles G. Carll

Publication Year: 2009  View PDF »

Category: Research Notes
Associated Research Project(s):   FPL-4723-1

Abstract: 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.

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

File size: 513 kb(s)

Date posted: 04/27/2009

This publication is also viewable on Treesearch:  view
RITS Product ID: 31175
Current FPL Scientist associated with this product
Glass, Samuel V.
Research Physical Scientist
  

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