METHOD AND APPARATUS FOR MEASURING MOISTURE

摘要

PURPOSE:To stably and accurately measure moisture even with respect to an object to be measured with high moisture content. CONSTITUTION:When the moisture of an object to be measured with high moisture content is measured, light wherein an absorption wavelength is 1.20-1.25mum or 0.98-1.05mum and a comparison wavelength is shorter than the absorption wavelength is projected on the object to be measured at a predetermined angle with respect to the normal line of the surface of the object to be measured.