Electrical measurement of moisture content in porous building materials
Norberg, P.
1999 8th International Conference on Durability of Building Materials and Components, Vancouver, Canada, May 28 - June 3, pp. 1030-1039
Electrical measurement, resistance, geometry, electrode configuration, moisture content, porous materials, wood
Norberg, P., (1999), "Electrical measurement of moisture content in porous building materials", 8th International Conference on Durability of Building Materials and Components, Vancouver, Canada, May 28 - June 3, pp. 1030-1039.
Abstract:
The moisture content (MC) of porous building materials is often estimated via measurement of the resistance between two electrodes inserted into the material. The most common material to which this technique is applicable is wood. In general, the MC reading obtained is affected by several internal and external factors, some of which are seldom taken into consideration in practice. The paper exemplifies some of the most important factors involved in the determination of MC. The background to the various expressions relating the electrical resistance to MC, temperature, etc., are reviewed particularly for wood.
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