Realtime Weight Densitometer for Glass Wool Using Solar Cell for Industrial Use

An optical method has been developed for measuring the mean weight density of raw glass wool in manufacturing plant. The method is based on the light attenuation theory. The system consists of several white lights as a light source, several solar cells as a light sensitive receiver, amplifiers, a personal computer with A/D converter for data acquisition and a monitor for display of processed data. Mean error of the system was about 10%, which was enough accuracy to be used in the practical plant. The system may further be applied for the quality control of manufacturing raw glass wool.