The Comb Sorter Tester is a laboratory instrument used to determine the fibre length distribution of various textile fibres. Fibre length is one of the most important physical properties, as it directly influences spinning performance, yarn strength, uniformity, and overall fabric quality.

By manually combing and arranging fibres according to their length, the instrument helps calculate average fibre length and length distribution. Generally, fibres with a longer average length are preferred, as they provide better yarn strength, improved evenness, and reduced fibre loss during processing.

The Comb Sorter can be used for testing cotton, wool, viscose, polyester, and other staple fibres or yarns, making it an essential tool for textile laboratories, spinning mills, and research institutions.