Digital Moisture Meter

How Pin-Type Moisture Meters Work. Pin-type moisture meters function by measuring the electrical resistance between two electrodes. When moisture is present within the wood, electricity flows more easily. … This resistance is measured in ohms and then converted to a reading expressed as X% moisture content.A range of 5 to 12 percent is considered optimal. A reading of up to 17 percent is generally considered moderate moisture and acceptable. Any reading over 17 percent is considered to be an indication of saturation and the need to replace the drywall and to take preventative measures against future moisture buildup

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