The TMI Chip Class™ is a robust laboratory and/or production tool designed as a trouble-free wood chip classification system. A minimum of moving parts and carefully selected components provides the most reliable chip size classification system available on the market today. The wood chip classifier design is based on the original US patent developed by one of the world’s largest pulp mills and paper makers. The TMI Chip Class™ measures the size distribution and relative quantity of chip size fractions for mechanical and chemical wood chips.

Special trays are also for sale to meet most hole and bar dimension requirements making the Chip Class a versatile testing tool for measuring a variety of other materials requiring size classification.